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Research Categories

Faculty This site

Electrical and Electronic Engineering

Name	Research Interests
Assoc Prof A S Madhukumar	Modulation and multiple access schemes for future broadband systems Advanced signal processing algorithms for wireless communication systems Cognitive radio systems: algorithms and architectures Cooperative Radio Systems for Mobile multi-hop networks Ultra wideband radio systems for wireless personal area networks
Prof Alfred M Bruckstein	Variational Methods in Image Analysis and Synthesis, Multi A(ge)nt Robotics and Applied Geometry
Assoc Prof Ali Iftekhar Maswood	Novel Converter topology for hybrid Wind & Solar Energy Maximum Power Tracking Control Strategies using Fuzzy logic and Particle Swram Optimization Novel DC-DC buck-boost Converter for solar/Fuel Cell optimal power txtraction
Assoc Prof Anamitra Makur	Multirate Signal Processing, Signal/Image/Video Compression Image Processing
Asst Prof Andy Khong Wai Hoong	Adaptive filters Acoustic source localization Acoustic system identification Seismic signal processing Speech dereverberation
Assoc Prof Ang Diing Shenp	1. Reliability physics and characterization of nanoscale transistors (negative-bias temperature instability, hot-carrier effects, gate oxide breakdown, low frequency/RF noise, metal gate/high-kappa gate stack, non-volatile memories, silicon-on-insulator transistors, nanowire devices etc.) 2. Nano-characterization techniques (conductive atomic force microscopy, high-resolution transmission electron microscopy and associated anaytical techniques for alternative gate dielectrics, nanowire devices etc.) 3. Characterization of novel devices (e.g. tunneling FETs, novel memories etc.)
Asst Prof (Adj) Ang Kian Sen	Dr. Ang's research interests include design, analysis, and measurement of novel microwave circuits, particularly Monolithic Microwave Integrated Circuits (MMIC).
Asst Prof Ang Wei Tech	- BioRobotics / Bio-Mechatronics - Rehabilitation Engineering - Assistive Technology - Robotic Microsurgery - Robotic Cell Micromanipulation
Assoc Prof Annamalai Benjamin Premkumar	His research interests include Digital Signal Processing and its applications in Wireless Communication, Software Defined Radio, Cognitive Radio and Impulse Radio. He also works in the area of multirate signal processing and number theory and its applications to signal analysis.
Assoc Prof Arokiaswami Alphones	His current interests are electro-magnetic analysis on planar RF circuits and integrated optics, microwave photonics, and hybrid fiber-radio systems.
Assoc Prof Bi Guoan	Algorithm development for signal analysis and processing with various applications, transforms and their fast algorithms, signal processing techniques for CDMA wireless communications.
Assoc Prof Bogdan Jaroslaw Falkowski	Assoc. Prof. Bogdan J. Falkowski's areas of expertise are Electronic Design Automation Tools and Systems for Digital Logic Design and Optimization, Spectral and Discrete Representations of Multiple-Valued and Binary Functions, Design of Algorithms and Discrete Transforms, Design for Testability, Simulation, and Verification, Digital Signal and Image Processing Algorithms and Implementations in ASICs and FPGAs, Biomedical Image Compression and Watermarking.
Asst Prof Boon Chirn Chye	(1) Awards: · PI: Ultra-low Power Fully Integrated CMOS 24GHz Receiver, $0.208mil ($0.323mil including scholarship), March 2008 to February 2011, AcRF Tier 1 MOE. · PI: Batteryless Flexible Transceiver for Biomedical Applications. $0.765mil ($0.995mil including scholarships), May 2009 to April 2012, AcRF Tier 2 MOE. · Co-PI: An Ultra Low-Power RFIC Chip For Wireless and Communication Applications S$1.2 mil, March 2006 to February 2009, funded by Agency for Science, Technology and Research (A*STAR). · Co-PI: System-on-chip: Realization of Software Radio, S$0.3 mil, 3 December 2008 to 2 December 2009, University of Electronic Science and Technology (UEST) of China-NTU Joint R&D, jointly funded by UEST and NTU. · Co-PI: An Ultra Low-Power RF Transceiver Chip towards a New Paradigm of Life Quality, $0.25 mil, 3 December 2008 to 2 December 2009, NRF. (2) Research Interest My research interests are in the areas of radio frequency (RF) circuits and systems design for Biomedical and Communications applications. For example ECG/Wheeze (Asthma)/Anti-Fall RF sensor network, next generation hand-phone and wireless local-area network (WLAN) design. I have been looking at methods to improve the design of transceivers (radios) for the above applications in order to achieve ultra-low power, low cost, small die size and good performance. Below is the brief description of my current works. (1) Transceiver Design for ultra-low power application. An example of my work in this area is in the ultra low-power voltage-controlled oscillator (VCO) design. This work was published in IEEE Transaction year 2004 and has six citations (ISI) so far. Another work which is on Low power LNA by my part-time PhD student (Aaron) was published in IEEE Transaction year 2008. (2) High Frequency Effects on Circuit Operation: Study and Solution Two examples of my work on this topic were published in IEEE Transaction year 2005 and IET Proceeding year 2004. (3) RF Components Modeling and Innovation Recently we have filed a patent together with our industry partner, Chartered Semiconductor on a new invention that will allow the quality factor of an integrated inductor to achieve 1000 times higher than conventional inductor. This work currently being pursued by my PhD student (Qiu Ping) is set to revolutionize the RFIC industry. (4) Next Generation High Frequency Circuit Design: Theory and Design A novel circuit was designed, fabricated and tested at 23GHz. This work was published in the last edition of E3 World (an EEE-NTU's publication).
Assoc Prof Cai Jianfei	Jianfei's major research interests include digital media processing, multimedia compression, communications and networking technologies. Currently, he focuses on the cross-discipline research among the areas of multimedia, computer graphics, computer vision and networking technologies.
Assoc Prof Cai Wenjian	Prof Cai's areas of expertise are system modelling, control and optimization, multivariable system identification and control, sensor and instrumentation, mechanical system simulation and design, and intelligent systems. His current research works focus on industry applications in building HVAC processes, renewable energy processes and environmental processes.
Asst Prof Cesare Soci	We are interested in the fundamental properties of materials related to small dimensionality and large interface area. Understanding these properties is essential to exploit them in emerging technologies, such as renewable energy sources. In particular we focus on two classes of nanostructured materials, namely organic and inorganic semiconductors, and on their interplay, from basic scientific issues all the way to the device level. Some topics of specific interest are: 1. Nanowire synthesis and devices: semiconductor nanowires are synthesized by different approaches, including top-down and bottom-up methods, and lithographic techniques are used to fabricate nanowire arrays and devices. 2. Organic semiconductors: we study the fundamental properties of organic semiconductors and their use in "plastic electronics." In particular we focus on the interplay between charge carrier photogeneration and exciton recombination, which is a determining factor of the performance of organic solar cells, light-emitting diodes and field-effect transistors. 3. Organic-inorganic hybrid systems: we investigate the optoelectronic properties of hybrid organic-inorganic heterostructures specifically targeted to light sensing and photovoltaic applications, combining microscopy, optical and photocurrent spectroscopy, and nanofabrication technologies.
Assoc Prof Chan Chee Keong	Currently, Dr Chan is attached to the Information Engineering Division, lecturing in subjects related to computer systems, artificial intelligence, software engineering and cyber security. Through his years in NTU, he has published about 30 research papers in conferences, journals and book chapter. Dr Chan has also provided numerous consultations to the industries. His current research interest areas include data mining (text and solar radiation data mining), evolutionary algorithms (scheduling and games) and renewable energy.
Asst Prof Chan Chi Chiu	His research areas are optical fiber sensing system, fiber Bragg grating device, fiber optics chemical sensors, photonics crystal fiber biosensor, digital signal processing, such as artificial neural network, fuzzy logic, genetic algorithm, wavelet, etc., on smart structures, fiber optics chemical and biomedical sensing areas.
Assoc Prof Chan Chok You, John	Chan C Y's areas of expertise are discrete sliding mode control and nonlinear control of dc-dc power converters. His current research works focus mainly on the analysis and control of switching power converters.
Assoc Prof Chan Kap Luk	Prof Chan Kap Luk's areas of expertise are Image Analysis and Computer Vision , Image and Video Retrieval, and Biomedical Signal/Image Analysis for Computer Assisted Diagnosis System (CADS). His current research works focus on Perceptual grouping using statistical learning methods, Machine Learning in computer vision and pattern recognition, Perceptual grouping using statistical learning methods, Human detection, tracking, recognition and behaviour analysis, 3D scene reconstruction from multiple views, computer vision for human computer interaction, Region-based image/video search, Image Classification, Learning of user's perception through relevance feedback Tumor extraction from MRI/CT and Retina Image Analysis.
Assoc Prof Chan Pak Kwong	Dr Chan's research interests are in areas of mixed-mode circuits and systems, precision analog circuit design, integrated circuit analysis and circuit theory & applications. Currently, he has initiated SENSOR CIRCUITS & SYSTEMS research, focusing on * sensor interface ICs for biomedical, chemical, environmental and nanotechnology based sensors; * ADC/DAC ICs for biomedical and environmental sensor signal-processing applications; * accelerometer ICs for biomedical, consumer electronics and military applications; * sensor systems based on ultra low-power low-noise analog/mixed-signal circuits, highly-accurate instrumentation circuits or intelligent design techniques.
Assoc Prof Chang Chip Hong	Assoc. Professor Chang current research interests are Watermarking for VLSI IP Protection, Multiplierless Digital Filter Design and Synthesis, Residue Number Systems, Redundant Binary and Modulo Arithmetic Circuits, Low-power, Low-voltage Arithmetic Circuits, Design Automation of VLSI Digital Circuits and Digital Signal Processing.
Assoc Prof Chau Lap Pui	Media communication Interactive digital media Media signal processing
Assoc Prof Cheah Chien Chern	Robot control Visual Servo Control Formation control Adaptive and learning control
Assoc Prof Chee Yeow Meng	1) Combinatorics of Nanotechnology: low-power design, thermal-aware design, crosstalk issues, testing of deep submicron & nanometer-scale circuits, oligonucleotide sequence design for DNA computing, quantum error-correcting codes. 2) Designs, Codes & Cryptography: triple systems, block designs, pairwise balanced designs, group divisible designs, t-designs, Latin squares, error-correcting codes, erasure-resilient codes, codes for nonconventional channels, combinatorial cryptography, algorithms & computational methods, applications in computer science, engineering & biology. 3) Extremal Set Systems: Turan-type problems, packings & coverings, cover-free systems, nonadaptive group testing, applications in computer science, engineering & biology.
Assoc Prof Chen Lihui	Dr. Chen's research interests include machine learning algorithms/soft computing (fuzzy logic and neural networks) with applications to data mining, web intelligence, image processing and pattern recognition. She has been actively working in those areas for many years on projects at various levels. Currently her research focus is on some basic researches in data mining as well as its applications which may have significance in information search and retrieval on Internet. Ongoing Research Projects: . Machine Learning and Mining Techniques for Web Intelligence, Information Retrieval . Clustering Methods in Text/Web Mining . Novel techniques for Document Summarization
Asst Prof Chen Shoushun	Mixed mode integrated circuits design for sensors, feature extracting biomimetic sensors for sensor networks, energy-efficient algorithms for object recognition, smart vision sensors, asynchronous VLSI circuits and systems
Assoc Prof Chen Tupei	Current research includes nanoscale CMOS device physics and reliability physics, semiconductor nanocrystals and their applications in nanoelectronic devices (nanocrystal-based Flash memory and DRAMs, single-electron and few-electrons devices, etc.) and photonic/optoelectronic devices (Si-based light emitters, optoelectronic memory), and Si optoelectronic integrated circuits for chip-to-chip and system-to-system communication.
Asst Prof Chen Xiaodong	Currently, Prof. Chen's research focuses on three directions: (1) Nanobioelectronics: to develop integrated nanostructure-biomaterial hybrid systems for bioelectronics and probe biological processes at the nanoscale; (2) Bioinspired assembly: to mimic methods used by nature for interfacing organic and non-organic material and building hierarchical structures with advanced functions, and (3) Nanomaterials for energy conversion and storage: to explore nanoscale modules for light harvesting, charge separation, solar energy conversion, and storage.
Assoc Prof Cheng Tee Hiang	Computer Networking Optical Communication and Networking
Asst Prof (Adj) Chew Kok Wai Johnny	Dr. Chew Kok Wai, Johnny?s research interests include (i) RFCMOS actives and passives test structure designs and layout optimization, (ii) characterization and modeling of RFCMOS actives and passives, (iii) flicker and high-frequency noise characterization and modeling of MOS transistors and (iv) process optimization to enable high performance RFCMOS actives and passives.
Asst Prof Chew Lock Yue	Dr Chew research interest is to explore, investigate and uncover the fundamental physical mechanisms and organization principles within complex systems and their dynamics, through the paradigm of statistical and nonlinear physics. His current research focus is on the topic of: quantum-classical correspondence in the entanglement dynamics of coupled systems, the statistical physics of alpha helix to beta-sheet transitions in protein folding, self-organization in dusty plasmas and BEC, and weak signal detection by an array of multiply coupled stochastic resonators.
Asst Prof Chng Eng Siong	Specialisations include: speech and signal processing, microphone arrays and pattern classifications.
Prof Choi San Shing	Power and energy systems, power quality, network stability and control, network transients, renewable energy resources, energy storage
Assoc Prof Chong Han Joo Peter	mobile communications, resource allocation, radio resource management, multiple access, mobile ad hoc networks and multihop cellular networks
Assoc Prof Chong Yong Kim	Prof Chong's areas of expertise are Parallel and Distributed Multiprocessor Systems, Adaptive and Active Noise Control, and DSP-based Audio and Image Processing. His current research works involves Perceptual Subband DCT JPEG Image Coding System, DSP-Based Digital Media Processing and Integrated Headsets using the Adaptive Hybrid Active Noise Control System.
Assoc Prof Choo Fook Hoong	Alternative sustainable energy, solar electric, thermal and wind energy systems, energy conversion systems, motors and drives, energy conservation and management, energy recovery, power electronics, membrane distillation systems, heat pumps.
Assoc Prof Chu Yun Chung	Chu Yun Chung's research interests are fundamental control theory and artificial neural networks, with applications to spacecraft, power systems and probabilistic computing. He was the principal investigator of the funded project "Attitude Control of Micro-Satellites" (AcRF RG9/00, S$122,673) in 2000-04. Currently Chu Yun Chung is the principal investigator of the project "Nanosatellite Attitude Determination and Control System" (AcRF RG6/06, S$95,912.70) and the co-principal investigator of the project "Optimization and Design Methodology for Probabilistic Elementary Computing" (ISNE, S$350,000.00).
Assoc Prof Chua Chin Seng	Dr Chua Chin Seng's research interests include 2D/3D face recognition, visual surveillance, human activity recognition, gait recognition and general tracking applications.
Assoc Prof Chua Hock Chuan	Image and Video Processing. Digital Media. Software & Programming technologies.
Asst Prof Deepu Rajan	Image and video processing, computer vision, multimedia signal processing.
Assoc Prof (Adj) Desmond Rodney Lim Chin Siong	Current research interests are in components, subsystems and system applicatons for microwave photonics, photonic sensors and power generation.
Prof Do Manh Anh	Current Research Interest: Wireless Digital Communication Systems,Radio Frequency Integrated Circuits and Systems,RFIC Design,Mixed Signal IC Design. Previous Research Interest: Acoustics and underwater acoustics, Sonar Systems Design, Electronic Systems.
Asst Prof Domenico Campolo	His research interests include mechatronic technologies with application to the new emerging fields of Phenomics and Neuro-Developmental Engineering, in both animal and human models; biomimetic microrobotics, including: design, fabrication, development and control of biologically inspired smart actuators and sensors.
Assoc Prof Don Mahinda Vilathgamuwa	Micro-grids, design of grid interfaces for renewable energy systems and power converters.
Asst Prof (Adj) Du Chunling	Control and estimation of two-dimensional systems, Servo mechanism and control of magnetic data storage systems, Vibration control, and Automation.
Asst Prof Dusit Niyato	- Wireless communications and networking, specifically, dynamic spectrum access and spectrum trading in cognitive radio. - Mobile computing, parallel and distributed systems, specifically, resource management in heterogeneous wireless network and wireless intelligent transportation system. - Queueing theory and Markov chain with an application in performance evaluation of communication systems. - Evolutionary theory with an application in mobile communication and computing.
Prof Er Meng Hwa	1. Array Signal Processing - Robust Broadband and Narrowband Beamforming Techniques - Basic Array Theory & Pattern Synthesis Techniques - Partially Adaptive Array Design - Microphone Array Design - Audio Beam Loudspeakers 2. Image Processing and Computer Vision - Image Processing of VLSI Chips - Images Resolution Enhancement Techniques - Medical Imaging 3. Satellite Communications - LEO Satellite Communications Technology 4. Optimization Techniques - Constrained and Unconstrained Optimization Techniques 5. DSP Applications & Implementations - Surround Sound System - RSA Cryptosystem - Microphone Array - Audio Beam Loudspeakers Secured and completed a total of 24 research projects with an accumulative grant of $20,873,595.
Prof Er Meng Joo	Professor Er Meng Joo's areas of expertise are intelligent control theory and applications, fuzzy logic and neural networks and robotics and automation. His current works focus on control theory and applications, fuzzy logic and neural networks, computational intelligence, cognitive systems, robotics and automation, sensor networks and biomedical engineering.
Assoc Prof Erry Gunawan	Assoc Prof Erry Gunawan's areas of expertise are in digital wireless communications systems, powerline communications, channel coding, spread-spectrum communications and CDMA, OFDM, MAC protocol and radio-locations. His current research works focus on the applications of UWB for RADAR and medical imaging and MIMO wireless communications.
Assoc Prof Fan Weijun	His research interests include semiconductor band structure calculations by using effective mass theory, the first-principles method and empirical pseudopotential method (EPM); Compound semiconductor material growth, characterizations and device fabrications; Si photonics; Spintronics.
Assoc Prof Foo Say Wei	Foo Say Wei was involved in military electronic systems when he was in Defence Science Organisation, Singapore. In the National University of Singapore, his focus was on engineering technology and engineering management. His current interests include speech signal processing, audio signal processing and image processing, all related to multimedia. He has published over 100 journal and conference papers. He co-edited the book 'E-Business Management' published by Prentice Hall in 2006. He contributed one chapter to the book 'Audio Watermarking Techniques and Technologies' published by Information Science Reference in 2008.
Assoc Prof Gan Woon Seng	His research interests include directional sound beam (AUDIO BEAM SYSTEM), active noise control, adaptive signal processing, psycho-acoustical signal processing, embedded media processing, and real-time digital signal processing.
Assoc Prof George Chung Kit Chen	Research experience in 3 main areas: 1) Thermal conductivity measurement and modeling of thin films, 2) Diffused optical wireless communication, and 3) Bio-imaging. For the thermal conductivity measurement and modeling of thin films: Using the pulsed photothermal reflectance technique, the intrinsic thermal conductivity of the following materials- GaAsN, AIN, CNT, ta-C, SiO2, Au and the thermal resistance of their interface have been determined. The thinnest film measured was 20nm, For the diffused optical wireless communication: We studied how to achieve uniform infrared light distribution and ensuring 54Mbps (without using equalization) in an indoor environment, invented a technique to redistribute the power due to zero order of CGH (computer generated hologram), designed and demonstrated that white LED can be used for both illumination and communication purpose, and designed an optical wireless communication system for aircraft passenger cabin. For the Bio-imaging: We developed a photothermal imaging and response system that can overcome traditional diffraction-limit of microscope. The system can provide high spatial resolution (~20nm) and high temporal resolution (~1microsecond); the system can also monitor changes of a live cell over time.
Assoc Prof Goh Wang Ling	Silicon device process technology, focusing mainly on Nanowire SOI devices, and ultra-low-power digital/mixed signal IC designs.
Assoc Prof Goh Wooi Boon	Computer Vision, Human Computer Interaction, Multimedia Systems, Embedded Systems
Asst Prof Gong Yi	Wireless communication systems and communication theory in general. In particular, space-time coding/ processing, MIMO/OFDM, trellis coded modulation, channel estimation/equalization, multi-user/multi-antenna cooperative transmission, cross-layer design for wireless systems, and location positioning in wireless networks.
Assoc Prof Gooi Hoay Beng	Prof Gooi's areas of expertise are Energy Management Systems, Forecast & Scheduling Applications, and Network Applications. His current research focuses on Microgrid Energy Management Systems, Electricity Markets, Spinning Reserve, Energy Efficiency and Renewable Energy Sources.
Assoc Prof Govinda Bol Shrestha	Power System Planning and Operation; Power Markets; Optimization and Uncertainty Techniques; Alternate Energy and Distributed Systems FACTS
Assoc Prof (Adj) Guan Cuntai	brain-computer interface, neural signal processing, machine learning, pattern classification, and statistical signal processing, with applications to assistive device, rehabilitation, and health monitoring
Assoc Prof Guan Yong Liang	1) Modulation, coding, and signal processing - UWB signal processing - Dirty-paper coding - MIMO coding - Turbo/LDPC coding - Multi-carrier modulation - Wideband CDMA 2) Channel modeling - Power line communication channels - Multi-carrier channels - UWB channels 3) Digital watermarking for information security - Dirty-paper watermark coding - Biomedical image watermarking - Compressed video watermarking - Watermark attacks and counter-attacks
Assoc Prof Gwee Bah Hwee	Low Power Asynchronous Microprocessor and Digital Signal Processor Design, Digital Class-D Amplifier Design, Bio-informatics Soft computing and Acoustical Noise Reduction
Assoc Prof Ho Duan Juat	Video coding, Digital System Design, ASIC Design, Case Studies
Assoc Prof Hu Junhui	Piezoelectric and ultrasonic actuators, energy harvesting by piezoelectric devices, ultrasonic manipulations of small particles and liquid,ultrasonic water treatment, piezoelectric transformers, ultrasonic transducers and other electromechanical devices
Assoc Prof Huang Guangbin	Extreme Learning Machine, computational intelligence theories, machine learning applications in bioinformatics, human-computer interface, image processing, and robot control
Assoc Prof Ian Vince McLoughlin	Embedded systems Speech and audio Computer architecture Satellite and high-reliability computation Wireless communications for embedded systems Future cities - technology and social aspects Earth observation - remote sensing (hardware and software for), high reliability earth observation hardware, communications of EO data Refer to: http://www.ntu.edu.sg/home/mcloughlin for Research Interest and up-to date Research Grant listing
Prof Janusz A. Starzyk	Prof. Starzyk's research includes embodied machine intelligence, intelligent agents, self-organizing goal driven learning, associative spatio-temporal memories, motivating mechanisms for sensory-motor interactions, neurocognitive models of learning and memory as well as applications of machine learning to pattern analysis, data mining, and financial markets.
Assoc Prof Jiang Xudong	Xudong Jiang's areas of expertise are pattern recognition, signal and image processing, computer vision and biometrics. His current research works focus on statistical pattern classification, feature extraction from image, fingerprint recognition, human face detection and recognition, multimodal biometric fusion, and visual object detection and recognition.
Assoc Prof John Ngo Quoc Nam	His current research interests are on the design and development of fiber-based and waveguide-based passive and active devices for optical communication systems, optical sensors, and RF photonics networks.
Assoc Prof Jong Ching Chuen	High-level Synthesis; Rapid Prototyping of VLSI systems; Reconfigurable systems;
Assoc Prof K Radhakrishnan	Epitaxial growth and characterization of compound semiconductor materials including III-Nitrides. Development of advanced nanostructures and metamorphic growths. Surface and interface analysis. Device fabrication and characterization for low-noise, power and MMIC applications.
Prof Kam Chan Hin	His current research interests are mainly in the area of sol-gel photonics, non-linear optics, quantum transport and spectroscopy of rare-earth doped glasses. He has contributed more than 200 international journal and conference publications in the area of Photonics and High Energy Physics. He holds 6 international patents in surface acoustic wave devices and sol-gel photonics.
Prof Koh Soo Ngee	Speech Processing, Coding, Enhancement and Recognition. Joint Source-channel Coding, Audio Coding. Blind Source Separation and Communication Signal Processing.
Assoc Prof (Adj) Koh Wee Jin	Dr Koh's expertise is in EMI/EMC. His current interest in EMC includes reverberation chamber, lightning protection of UAV and EMI prediction.
Prof Kot Chichung, Alex	signal processing for communication, biometrics, image forensics and information security
Assoc Prof (Adj) Lai Kin Seng	-Design and development of high power diode pumped solid state and fiber lasers. -Non-linear optics and optical parametric oscillators for wavelength conversion. -Remote sensing technologies and applications using different techniques, such as differential absorption LIDAR (DIAL). -Coherent and incoherent laser beam combining techniques. -Adaptive optics for correction of phase aberrations. -Laser beam propagation in atmospheric turbulence. -Ultrafast femtosecond lasers and applications (filamentation effects and white light generation).
Prof Lalit Kumar Goel	Power system reliability. Cost/benefit considerations. Deregulated power markets. Power system analysis.
Assoc Prof Lau Kim Teen	Ultra Low Power IC Design Adiabatic CMOS Circuit Design Self-Timed CMOS Circuit Design Subthreshold CMOS Circuit Design CMOS Digital Circuits and Applications
Assoc Prof Law Choi Look	Dr. Choi Look LAW's areas of expertise are microwave circuits and wireless systems. His research interests are digital beam forming array antenna, ultra-wideband microwave circuits, wideband channel characterization and modeling, radio frequency identification, wireless networking and positioning systems.His current research work focus on high linearity high efficiency microwave power amplifiers for OFDM sytems and scalable precision positioning systems using ultra-wideband impulse radio.
Prof Lee Chang Leng, Brian	Prof Brian C L Lee's areas of expertise are circuit analysis, engineering design and development, manufacturing and technology transfer and management. His current research interest is on entrepreneurship and innovation. He has contributed to journal, conference and book publications.
Dr Lee Ching Kwang	1)Frequency Selective Surfaces (FSS): Computational simulation to analyse and design of FSS. Prototypes. 2)Compact Dual Frequency Patch Antenna: To achieve wide band application.
Assoc Prof Lee Keok Kee	Computer Architecture, Parallel Disk Systems, Digital Electronics.
Asst Prof (Adj) Lee Kok Yan	Prof. Lee's areas of expertise are in RF-MEMS, MMIC and RF Microsystems, from process development, device modelling and circuit applications. His current research works focus on RF MEMS, filters, micro-fabrication techniques.
Assoc Prof Lee Peng Hin	Reliable control with performance. Assistive technology. Energy Managements
Asst Prof Lee Yee Hui	Antenna Design Computational Electromagnetics Electromagnetic Compatibility and Susceptibility Channel Characterisation Rain Propagation
Asst Prof (Adj) Leong Yoke Choy	Design of microwave/millimeter-wave MMICs/RFICs, novel passive structures, microwave subsystems, and modeling of GaAs/GaN/Si devices
Asst Prof (Adj) Levent Yobas	o Microfluidics for biology and chemistry o Lab on a chip for point-of-care diagnostics and drug screening o Biosensors and Bioelectronics o Silicon-based micro/nano fabrication
Assoc Prof (Adj) Li Haizhou	A/Prof Li's current research interests include automatic speech recognition, speaker recognition, spoken language recognition, pattern recognition, social robotics, and natural language processing.
Asst Prof (Adj) Li Zhengguo	His research interests include image processing, video coding and transmission, pricing and differentiated services in the Internet, hybrid systems, and chaotic secure communication.
Assoc Prof Lim Meng Hiot	Computational intelligence, reconfigurable hardware systems, computational finance, evolutionary learning, memetic computing
Prof Lim Yong Ching	Digital Filter Design. Digital Signal Processing. Implementation of Signal Processing Algorithms on VLSI
Prof Lin Chinlon	Photonics Systems and Technologies for Advanced Optical Communications Networks Next-Generation Broadband Optical Access Networks, Fiber-to-the-Home and Intelligent Home Networks Bio-Photonics and Bio-Imaging for Biomedical Photonics Studies and Applications
Assoc Prof Lin Feng	Dr Lin's research interest includes bioinformatics, biomedical imaging and visualization, high-performance computing. Currently active funded projects: A-Star/BMRC - Creating an In Vivo Navigational Cellular Fluorescence Imaging System with Dynamically Optimized Endomicroscopy, AcRF - Real-time Diagnostic Endomicroscopy, A-Star/SERC - Collaborative Creation and Application of Interactive Digital Media over the Internet, AcRF - Cellular Fluorescence Imaging with Endomicroscopy, AcRF - Dynamically Adaptable Neurocomputer and Its Application to Recognition of Steroid Hormone Response Elements, SingHealth Foundation Development of a Real-time Fluorescence Endoscopy Diagnostic System for the Early Detection of Oral and Bladder Cancers, NTU/BPE Cluster SEED Funding - Gene Expression Profiling with Oligonucleotide Microarray Technology; and some completed funded projects: SCE ER Lab Research Programme Grant DNA Chip Design Programme, BMRC&NMRC Joint Research Fund - Elucidation of Expression Profiles of Genes in Alpha-fetoprotein Positive and Alpha-fetoprotein Negative Hepatocellular Carcinoma by cDNA Microarray Analysis, AcRF - Design and Simulation of Artificial Bone Implantation, NMRC Research Fund -Nasopharyngeal Carcinoma: 3D Imaging for Staging and Treatment Planning, AcRF - Design and Development of Bio-medical Devices Using Rapid Prototyping (RP) Techniques, AcRF - Real-time Dynamic Simulation, MOH & Singapore Totalisator Research Fund - Transforming Medical Ultrasound Scanning into 3-Dimensional Real-time Organ Imaging to Aid Clinical Diagnosis.
Assoc Prof Lin Weisi	image processing, perceptual modeling, video compression, multimedia communication and computer vision
Assoc Prof Lin Zhiping	Dr Zhiping Lin's research interests include multidimensional systems and signal processing, array and radar signal processing, and biomedical signal processing.
Assoc Prof Ling Keck Voon	Keck-Voon Ling's areas of experties include control and optimisation, Online Laboratorties and Embedded Systems. His current research interests include model predictive control, receding horizon estimation, and their embedded and high speed implementations. Selected Publications Model Predictive Control KV Ling, JM Maciejowski and BF Wu, Embedded Model Predictive Control (MPC) using a FPGA, 17th IFAC World Congress, Seoul, Korea, 6-11 July 2008. A. Richards, KV Ling, JM Maciejowski, Robust Multiplexed Model Predictive Control, European Control Conference, July 2007, pp.441-446 KV Ling, JM Maciejowski and BF Wu, Multiplexed Model Predictive Control, CUED Report, CUED/F-INFENG/TR.561, July 2006. KV Ling, JM Maciejowski and BF Wu, Multiplexed Model Predictive Control, 16th IFAC World Congress, Prague, July 2005. KV Ling and KW Lim, Receding Horizon Recursive State Estimation, IEEE Transactions on Automatic Control, Vol.44, No.9, pp.1750-1753, 1999. KS Low, KY Chiun and KV Ling, ?Evaluating Generalised Predictive Control for a Brushless DC Drive?, IEEE Transactions on Power Electronics, Vol. 13, No. 6, pp. 1191-1198, November 1998. KV Ling and KW Lim. A State Space GPC with Extension to Multi-Rate Control. Automatica, Vol.32, No.7, pp.1067-1071, 1996. KV Ling and AL Dexter, ?Expert Control of Air-Conditioning Plant?, Automatica, Vol. 30, No. 5, pp. 761-773, May 1994. Online Laboratories Habib Mir M. Hosseini, Keck Voon Ling and Bing Duan, Learning Object Model for Online Laboratories, in: Handbook of Research on Instructional Systems and Technology, Volume II (Terry T. Kidd and holim Song, eds), Information Science Reference, Hershey, New York (2008), pp.768-784. Bing DUAN, Habib Mir HOSSENIN, Keck Voon LING and Robert Keng Leng GAY, An Architecture for Online Laboratory E-Learning System, Journal of Distance Education Technologies, 4(2), 87-101, April-June, 2006. Bing DUAN, Keck Voon LING, Habib Mir M. HOSSEINI and Robert Kheng Leng GAY, An e-Learning Model for Lab-based Courses, International Journal of Engineering Education, Vol.21, No.6, pp.1068-1075, 2005 KV Ling, Y Lai and K Chew, An online Internet laboratory for control experiments, in: Advances in Control Education 2000 (L Vlacic and M Brisk, eds), Pergamon, Great Britain (2001), pp.173-176.
Asst Prof (Adj) Liu Jinping	epitaxy, gate oxide and other front end of line processing for advanced devices.
Asst Prof Liu Quan	• Biophotonics • Biomedical optical spectroscopy and imaging • Non-invasive medical diagnostics • Biomedical instrumentation • Computer simulation of electromagnetic wave in tissue
Assoc Prof Loh Poh Chiang, Andrew	PWM/Optimization/Control Techniques, Converter Design, Motor Drives, Power Quality, Renewable Technology, Microgrid, Water and Energy Integrated Systems
Assoc Prof Louis-Philippe Demers	To investigate Design, Digital Media and Media Arts from the interactive and embodied media perspectives. To investigate Artistic, Aesthetic and Technological impact of digital media on humans under the following paradigm: As digital media, pervasive and ubiquitous computing are increasingly being part of our every day life, the researches focus on the human - the role of the body - at various levels of the digital domain experience. Beyond the sole paradigm of Human Computer Interfaces (HCI), these researches will analyze and implement projects across the spectrum of Art & Design while correlating those to the spectrum of being close to the body -objects-, to a broader sphere -space- and finally to a global container -culture-. Keywords: Social and Emotive Robotics, Entertainment Robotic, Robotic Toys, Hybrid Media, Interactive Media, Interaction Design, User Experience, Intelligent Objects, Wearable, Physical Computing, Ubiquitous Computing, Kinetic Architecture, Public Space, Public Art, Tangible Media, Haptic Devices, Multi-Touch, Surface Computing, Multi-User Environments, Theatre, Stage Design, Lighting Design, Live Performance Technologies, Augmented and Mixed Realities.
Assoc Prof Low Kay Soon	Prof Low has been conducting reserach in the areas of precision Linear Drive, power converter for energy conversion, UWB for Communications and Medical Imaging, Intelligent Control System, and Wireless Sensor Network. He has successfully completed 24 funded projects with many of them from the industry. Presently, he has 5 on-going funded projects in the field of UWB radar, wireless sensor network, micro-satellite system, solar energy system. He has a number of granted patents on UWB and nonlinear circuits from the US patent office, WIPO and EPO.
Asst Prof Lu Wenmiao	Magnetic resonance imaging Image reconstruction Computer vision
Prof Lu Yilong	Prof LU Yilong's research interests include modern radar systems, antennas, array signal processing, microwave circuits/devices, computational electromagnetics, evolutionary computation for optimization of complex problems. His current research works focus on new radar system concepts and demonstration, integrated millimeter wave antenna array, vector antennas, and new approaches for estimation of direction of arrival. Below is a more detailed list of his research interests: 1. Modern Radar Systems 1.1 Passive Radar (based on GSM, DTV and WiMAX illuminations) 1.2 High Frequency Surface Wave Radar (HFSWR) 1.3 Foliage Penetration Radar 1.4 Multiple-Input and Multiple-Output (MIMO) Radar 1.5 Radar Imaging 2. Antennas 2.1 Wire antennas 2.2 Microstrip antennas 2.3 Millimeter wave antennas 2.4 Cavity antennas 2.5 Conformal antennas 2.6 Vector antennas 3. Array Signal Processing 3.1 Arbitrary digital beamforming (DBF) 3.2 Estimation of direction of arrival (DoA) 4. Microwave/Optical Circuits/Devices 4.1 Microwave digital receiver modules 4.2 Microwave filters 4.3 Integrated dielectric waveguides 4.4 Photonic crystal fiber (PCF) 5. Computational Electromagnetics (CEM) 5.1 Finite Element Method (FEM) 5.2 Method of Moment (MoM) 5.3 Finite-Difference Time-Domain (FDTD) method 5.4 Wavelet Transform Method (WTM) 5.5 Efficient matrix equation solvers for generalized eigensystems 6. Evolutionary Computation 6.1 Genetic Algorithms (GA) 6.2 Particle Swarm Optimization (PSO) 6.3 Applications of Evolution Computation for Optimization of Complex problems 7. GUI Software Development 7.1 MATLAB NEC Toolbox (NEC: Numerical Electromagnetic Code) 7.2 MATLAB Receiver Toolbox 7.3 MATLAB Radar Toolbox
Assoc Prof Luo Fang Lin	A/Prof Luo's areas of expertise are DC/DC Converters, Energy Factor/Mathematical modeling and Digital power Electronics. His current research works focus on AC/DC, DC/DC, DC/AC and AC/AC Converters, Renewable Energy sources and Microgrid Energy management Systems. Dr. Luo has invented more than 100 novel topologies of power DC/DC converters, including the well-known series Luo-Converters: Positive/Negative/Double Output Luo-Converters. These converters implementing the voltage-lift technique have high voltage transfer gain on stage-by-stage in arithmetical process, up to hundreds times. Dr. Luo has also created Super-Lift Luo-Converters: Positive/Negative Output Super-Lift Luo-Converters, Positive/Negative Output Cascaded Boost Converters. These converters implementing the super-lift technique have very high voltage transfer gain on stage-by-stage in geometrical process, up to thousands times. They also have advantages of high efficiency, simple structure and low cost. All converters are introduced in his book "Advanced DC/DC converters". Dr. Luo has also developed other types of converters such as the Multi-Quadrant Luo-Converters, Ultra-list Luo-converter, positive/negative output Multiple-Lift Push-Pull Switched-Capacitor Luo-Converters and Cascade Double Gamma-CL Current Source Resonant Inverter. The investigations on DC/DC converters mainly concentrate in the steady state analysis. The dynamic process analyses rely on the mathematical models of the DC/DC converters. Establishing the mathematical modeling is the historic problem accompanying the development of power DC/DC converters. Many people devoted in this area since 1940's. Unfortunately, no proper modeling is recognized and suitable for all power DC/DC converters. Dr. Luo revealed the energy storage in power DC/DC converters and defined the new parameter: Energy Factor (EF). Using this new concept, he has proposed general mathematical modeling of power DC/DC converters, and the corresponding transfer function in a second-order form. He successfully solved the historic problem and well described the characteristics of power DC/DC converters. This new theory and transfer function are very good to describe the dynamic process of DC/DC converter performances. Simulation and experimental results verified his new theory and transfer function. This is a milestone contribution in DC/DC conversion technology. Dr. Luo applied digital control methodology into power electronics - the new theory "Digital Power Electronics". He introduced the mathematical models: the zero-order-hold (ZOH), first-order-hold (FOH) and second-order-hold (SOH) in Digital Power Electronics. He uses the zero-order-hold (ZOH) to simulate all AC/DC converters, the first-order-hold (FOH) to simulate all DC/AC inverters and AC/CC converters, and successfully described the characteristics of the control systems with switching circuitry. All knowledge is introduced in his new book "Digital Power Electronics and Applications".
Asst Prof Luo Jun	- Wireless Networking - Network Modeling and Performance Evaluation - Applied Operations Research - Network Security
Prof Ma Kai Kuang	Digital image/video coding and standards, wavelets and filter banks, image/video processing, denoising, super-resolution, error resilience and concealment, content-based image indexing and retrieval, and scene analysis and recognition.
Assoc Prof Ma Maode	Wireless Networking, Wireless Network Security, MAC layer Protocol Design, Performance Evaluation of Computer Networks
Assoc Prof Martin David Adams	Martin Adams' research interests include sensor data processing for robot navigation, random finite set based SLAM, inertial navigation and sensor fusion. He has been principle investigator of numerous robotics projects at NTU, the most recent of which is "Surface and Sub-Sea Sensor Data Fusion for Coastal Environment Mapping and Monitoring" under the Singapore - MIT Alliance program CENSAM. For much more information on research/teaching activities, please go to http://www3.ntu.edu.sg/home/eadams/
Prof Martin Reiser	Interactive Digital Media, Virtual Reality, Augmented Reality, Virtual Environments, Communication Networks, Performance Analysis, Queueing Networks, Art and Technology, Telepresence, Computer Graphics
Assoc Prof Mei Ting	Artificial mesoscopic structures and nanophotonics Photonic integrated circuits band gap engineering technology low dimensional devices and physics nanocrystal semiconductor materials and devices infrared imaging technologies, QWIP/QDIP and microbolometer.
Assoc Prof Mohammed Yakoob Siyal	Computer vision Image processing Medical image processing Biometric-bases security E-commerce Watermarking Computer architecture IT
Prof Narasimhan Sundararajan	Aerospace control, machine learning, Computational Intelligence, neural networks and applications. 1. Neural Networks Learning Algorithms Minimal Resource Allocation Network: A sequential learning algorithm for realizing a minimal radial basis function network (RBFN), referred to as Minimal Resource Allocating Network (MRAN). With the growing and pruning strategy, the MRAN algorithm can implement a more compact network structure, resulting in fast on-line learning. The MRAN algorithm is successfully applied in the areas of function approximation, time series prediction, nonlinear system identification and pattern recognition. Yingwei Lu, N. Sundararajan, P. Saratchandran, ?A Sequential Learning Scheme for Function Approximation using Minimal Radial Basis Function Neural Networks?, Neural Computation, MIT Press, USA, Vol. 9, No. 2, pp. 461-478, February 1997. Adaptive Flight Control Until the later part of 1940's and early 1950s flight control research was aimed at providing pilot relief capabilities, mainly in the form of auto-pilots. With the advent of high performance aircrafts, it become evident that controllers were required to bring the aircrafts within certain specified operating envelop that would increase the pilots capabilities for controlling the aircrafts. Due to stringent requirements and complexities of the modern flight control system, it is difficult to estimate the nonlinearities accurately. The performance of conventional controller will be poor under severe nonlinearities. The research deals with the new design development of adaptive and fault tolerant control systems using neural network methodologies. Conventional aircraft, helicopters and unmanned aerial vehicles are considered. The aim of the research area is the design of adaptive flight controllers such that the aircraft can even under severe fault and disturbances. The application of controllers to linear and nonlinear models was investigated.
Assoc Prof Ng Beng Koon	My research expertises include the physics of impact ionization process in semiconductors, the design and characterization of advanced photodetectors, and the use of Biophotonics imaging techniques for medical diagnosis.
Assoc Prof (Adj) Ng Boon Chong	Wireless Communications Communication signal processing Software-defined and Cognitive radio technologies
Assoc Prof Ng Boon Poh	array synthesis, adaptive array processing, spectral estimation and digital signal processing in general
Assoc Prof Ng Chee Hock	High speed data networks, Network protocols and performance analysis
Asst Prof (Adj) Ng Chee Mang	- structural and electronic studies of strained silicon - advanced materials for next-generation interconnect - fabrication of silicon based nanowire transistors
Assoc Prof Ng Geok Ing	Current research interests include device physics, fabrication and characterisation of microwave devices with different III-V material systems for low-noise, power and MMIC applications and MEMS.
Assoc Prof Ng Lian Soon	His research interests are in the design of CMOS and BiCMOS analog/mixed signal ICs in the area of low-voltage low-power applications, and optimization designs of analog circuits.
Assoc Prof Oh Soon Huat	Digital Communications, Communication and Computer Networks, CDMA Systems.
Dr Ong Keng Sian, Vincent	Prof Vincent K.S. Ong's areas of expertise are in the Characterization of Semiconductor Materials and Devices, and in the areas of Semiconductor Physics, and Computer Simulation of Semiconductor Devices and Materials. His current research works focus on the area of Electron Beam Induced Current Metrology and the Single Contact Electron Beam Induced Current Techniques.
Asst Prof Pan Guangming	Assistant Professor Pan Guangming's areas of expertise are random matrices theory, limiting theorem and multivariate analysis.
Asst Prof Patra Jagdish Chandra	Primary research interest of Jagdish includes complex problem solving using artificial neural networks, in the area of pattern classification, digital communication channel equalization, nonlinear system identification, intelligent sensor processing and image processing. He is also active in the research areas of bioinformatics (DNA microarray analysis, disease gene prediction, drug design and discovery), digital document security (watermarking), web document and image retrieval, nonlinear ICA and BSS algorithms.
Prof Pey Kin Leong	Dr. Pey has published more than 130 international refereed publications (including 4 invited papers and one review article) and 140 technical papers at international meetings/conferences (including 21 invited talks and 17 papers in IEDM/IRPS), and holds 33 US patents. Dr. Pey has published 8 papers in the World's Premiere Device conference, IEEE Electron Device Meeting, since 2001 and the IEDM paper in 2008 has been selected as a highlight. Dr. Pey has contributed significantly to the CMOS gate dielectric reliability, especially in the areas of physical analysis of ultrathin dielectric breakdown mechanism. Two of his graduate students working in gate dielectric reliability have recently received the 2008 TSMC Outstanding Student Research Awards. Dr. Pey's research interests are pulsed laser annealing for channel engineering for nano-scale CMOS, advanced alloy silicide for nanostructures and nanodevices, and transistor reliability in dielectric breakdown and advanced interconnects.
Asst Prof (Adj) Phua Poh Boon	1. Ultrafast Femtosecond Lasers: The Gears for Future Optical Clocks All clocks require two components: (1) a regular periodic event such as the swing of the pendulum and (2) a way of recording the events, such as the step by step movement of gears attached to the minutes hands of a clock. In an optical clock, the oscillation of an ultracold-atom is used as the pendulum while the pulses of the femtosecond lasers is used as the ?gears and hands? to count the oscillations. Such an optical clock has the potential of >1000 more accurate than the current Cesium clock used by the International Time Standard. The accuracy is so good that the optical clock might gain or lose a second in 4 billion years. In this project, we explore the use of femto-second laser to generate a broadband stable frequency comb. This stable comb will play a critical role in the next generation of atomics clocks based on optical frequencies. Due to the few orders of magnitude higher frequency involved in optical transition in optical clock, as compared to the microwave transition used in the Cesium clock, the precision of optical clock can be several orders more accurate than the Cesium clock. However, these high optical frequencies make it difficult to count cycles as required for comparison to the current Cesium microwave standard. A stable optical frequency comb from a femto-second laser can effectively acts as an optical-to-microwave conversion tool to perform the clockwork for these optical atomic clocks. It is currently a hot research topic pursued by many research groups throughout the world, such as MIT, NIST and JILA. 2. Radially Polarized Lasers: Breaking the limit of diffraction Focusing an incoming light into a smaller spot is always one of the most interesting topics for optical engineers and scientists. This is highly motivated by the large number of optical instruments and devices that makes use of a sharply focused light beam. A tighter focus means better resolution for applications such as lithography, laser machining and confocal microscopy, and higher storage density for optical data storage applications. It has been shown experimentally that a radially polarized laser beam, under suitable conditions, can be focussed tighter than the diffraction limit. The project explores a novel method to generate a high-power radially polarized laser beam. 3. Tunable Solid State Lasers: Near-infrared pumped solid state lasers such as Cr:YAG and Cr:Forsterite are of interest because they enable the implementation of broadly tunable continuous-wave sources or the generation of short temporal optical pulses in the 1 micron to 1.6 micron spectral range. This emission spectrum is useful as it covers the telecommunication range. The project designs and builds a high power tunable single longitudinal mode Cr:YAG laser. 4. Diode Pumped Solid State Laser: Diode pumping of laser offers better efficiency and beam quality than the flashlamp pumped configurations. We have interests in exploring novel configurations of diode pumping and the diode pumping of novel solid-state active media. Our previous works on diode pumped solid state laser include Nd:YAG, Nd:YVO4, Nd:YALO, Tm:YAG, Yb:YAG and several Yb-doped fiber lasers. 5. Nonlinear conversion of laser wavelength: Optical Parametric Oscillator is a convenient method to generate wavelengths that are not accessible by the solid state lasers. We have interests and have spent substantial research effort in the development of high power mid-IR Optical Parametric Oscillator based on nonlinear optical crystals such as ZnGeP2, KTP, KTA, AgGaS2, and AgGaSe2. 6. Passive/Active locking of lasers: Passive or active coherent locking of lasers promises large laser power scalability. We are currently exploring a novel scheme of coherent locking of several high power Nd lasers.
Asst Prof Pina Marziliano	Pina Marziliano's research interests include: sampling theory, signal processing applications in communications and biomedical engineering, watermarking and perceptual quality metrics for multimedia. Current Research Projects - Sampling Theory and Applications in Biomedical Engineering - Automatic Detection and Prediction of Seizures in Neonates
Assoc Prof Poenar Daniel Puiu	Sensors & actuators; MEMS; Si processing; (Bio)chemical sensors; bio-photonics; colour discriminators (e.g. using triple junction structures); miniaturization of spectrometry, electrophoresis, chromatography, for (Bio)chemical application, as well as optical detection for these separation methods; bio-photonics & opto-fluidics
Assoc Prof (Adj) Poh Eng Kee	Assoc Prof (Adj.) Dr Poh Eng Kee specializes in guidance, navigation, control and signal processing. His areas of research focus on advanced navigation and control design for unmanned aerial vehicles and autonomous underwater vehicle, satellite formation control and communication, GPS receiver design and algorithms.
Assoc Prof Ponnuthurai Nagaratnam Suganthan	My primary research areas are evolutionary computation (or optimization) methods such as the particle swarm optimization, differential evolution and evolutionary programming and pattern recognition. We apply these methods to solve problems in domains such as optics, bioinformatics and so on.
Assoc Prof (Adj) Pramod Kumar Meher	Design of dedicated and reconfigurable architectures for computation-intensive algorithms pertaining to signal processing, image processing, secure communication and bioinformatics. Recently he is interested in system-level design and intergration of hybrid systems-on-chip.
Asst Prof Qian Kemao	Dr Qian's areas of expertise are optical metrology, image processing and computer animation.
Assoc Prof Quek Hiok Chai	His main interests includes the research and study of brain-inspired functional and computational models of memory structures that underlie the human reasoning process. In addition, advanced brain-inspired reasoning and cognition frameworks such as focus of attention, affect modeling, skill learning from novice to expert are actively investigated using the neurocognitive informatic approach. Fuzzy, Fuzzy neural, Neural, GA, GA-Neural, Rough set that maps formal fuzzy logical structures onto neural systems to perform fuzzy set derivation and Rule identification/reduction are investigated. The development of architectures that supports on-line and off-line learning fuzzy intelligent rule based systems is examined. The research issues cover fuzzy clustering, learning, modeling, fuzzy rule model, etc. These basic techniques are used to craft the brain-inspired memory learning systems. These memory learning structures are the building blocks of the functional neuro-cognitive brain and they can be broadly classified into huppocampal global semantic memories and neocortical like semantic association memories. In addition, research into CMAC and in-house developed MCMACs and Fuzzy MCMACs are actively pursued. They form a class of cerebellar like association memories that have excellent memory resolution and recall. The application areas are extensive as they rely heavily on the basic research into brain-inspired learning memory structures and brain-inspired cognitive architectures for emotion, cognition and perception modeling. The exciting application areas include computational finance ? arbitration, portfolio, trend analysis, bond and commodity trading; biomedical engineering ? diabetes modeling and control, ICU ventilator control; Affect modeling for edutainment, forensic tools, marketing research tools; Medical decision support tools ? thermograph analysis, pediatric leukemia and ovarian cancer analysis; Intelligent transportation analysis tools ? trend analysis and incident monitoring; as well as student affect modeling in Intelligent Tutoring System.
Asst Prof (Adj) Quek Quee Seng, Tony	Main research interests are the application of mathematical, optimization, and statistical theories to communication, networking, detection, information theoretic and resource allocation problems. Specific current research topics include cooperative networks, interference management, wireless security, wireless multimedia systems, compressed sensing, and computer vision.
Assoc Prof Ramakrishna Kakarala	1) Computational photography: high dynamic range acquisition, composition analysis, affective imaging. 2) Multiresolution linear algebra: Singular value decomposition, matrix factorization 3) Smart sensors: Image sensor applications for metrology
Assoc Prof Rusli	A/Prof Rusli's areas of expertise are on the growth, characterization and application of amorphous thin films which include a-C:H, a-Si:H, a-SiC:H, a-SiN:H etc. He has also worked extensively on the design, fabrication and characterization of high frequency, high power and high temperature SiC power devices. His current research works focus on silicon nanowires and their applications.
Asst Prof Sabu Emmanuel	Multimedia & Software Security Digital Media Watermarking Digital Rights Management Surveillance Media Processing Multimedia Forensics
Assoc Prof Saman S Abeysekera	His research interests include frequency estimation, time frequency domain analysis of audio and elctrocardiographic signals, signal processing for communications, applications of sigma delta modulators and radar/sonar signal processing.
Assoc Prof See Kye Yak	Electomagnetic Compatibility, Signal Integrity and Electromagnetic Shielding.
Asst Prof Seow Kiam Tian	Dr. Seow's research interests include intelligent agents and multiagent systems, supervisory control of discrete-event systems and temporal logic, with emphasis on their mutual connections and applications. Information about his research group can be found on his research group homepage.
Assoc Prof Ser Wee	Prof Ser's expertise areas are sensor array signal processing and signal classification techniques. His current research works focus on robust beamforming and DOA estimation techniques for microphone array, location estimatin techinques for ambient intelligence, detection and classification techniques for sound based as well as radiowave based healthcare and surveillance applciations, integrated audio-video signal processing, audio scene analysis and speech emotion analysis for natural human-computer interaction, as well as EEG brain signal analysis.
Assoc Prof Sheel Aditya	AREAS OF EXPERTISE: Antennas, Microwaves, Microwave Integrated Circuits, Integrated Optics, Microwave Photonics, Optical Fiber Communication CURRENT AREAS OF RESEARCH INTEREST: 1. Novel planar microwave guiding structures and antennas 2. Microwave photonics 3. Optical fiber communication systems
Assoc Prof Shen Zhongxiang	1. Design and analysis of various planar antennas and arrays 2. Design and analysis of various passive and active components at microwave and millimeter-wave frequencies 3. Modeling of large and complex electromagnetic field problems using hybrid techniques.
Vg Asst Prof Shi Xiaomeng	Dr. Shi's areas of expertise are RF device modeling and IC packaging.
Prof Shum Ping	Optical Communication Fiber Technology Bluetooth Interactive and digital media
Assoc Prof Siek Liter @ Hsueh Liter	Research interests are in the design of bipolar, CMOS and BiCMOS analog/mixed signal ICs especially in the areas of low-voltage low-power circuits, Power Management ICs, PLLs and ADCs.
Assoc Prof Siew Chee Kheong, David	Research A/Prof Siew's research interests span three areas: (1) Quality of Service (QoS) Provisioning; (2) Congestion Control; and (3) Application of intelligent control to networking problems. The underlying network could be a wired, wireless or optical network. (1) While there is no shortage of proposed packet scheduling algorithms, our approach to the problem is slightly different. We are particularly interested in practical issues in search of low computational-complexity fine-granularity scheduling together with admission control that provide per-flow deterministic guarantees using class-based traffic treatment. This work would allow efficient QoS provisioning with specific queueing delay bounds. Our approach is to provide low-complexity service-curve based scheduling and admission control. Using nice properties of service-curves, we are able to avoid packet-by-packet analysis but provide an elegant analysis of the complex end-to-end QoS provisioning. We have recently proposed a low-complexity Flow-state-dependent Dynamic Priority Scheduling (FDPS) algorithm that could provide a service-curve based packet scheduling engine that enables per-flow deterministic guarantees. My recent in-press publication on per-flow QoS using class-based treatment is listed in [2]. (2) My interest in Congestion Control is to improve the Transmission Control Protocol (TCP) fairness and prevent TCP collapse in best-effort networks. It is well-know that TCP performance is highly dependent on Round-trip-time (RTT), an issue that has attracted many investigations. While most existing works attempt to provide solutions at the transport-layer, our approach uses both the features of network-layer and transport-layer. Our recent work [1] demonstrated that our solution could improve TCP fairness by reducing dependence on RTT, and prevent TCP collapse by means of intelligent packet discarding [1]. It has been proven that classical TCP will not be efficient in such high bandwidth-delay product networks. As a result, we are currently interested in providing a comprehensive solution to networks (e.g. Grid computing networks) with high bandwidth-delay product. The issues of max-min fairness and rate of convergence are converging issues for the research. (3) We are interested to apply intelligent control to network problems would include stochastic QoS guarantees and/or wireless network carrying heterogeneous traffic. These works could involve cross-disciplinary solution using control theory, fuzzy logic or artificial intelligence. The natural progression of such works would be Application-layer QoS provisioning in which cross-layer issues dominate. We are currently interested in applying distributed algorithm for collaborative wireless networks. Solutions are needed for many challenging issues on how rate, delay and access control in this area.
Dr Sim Siong Leng	APPLICATION OF CONSTRAINED OPTIMIZATION TECHNIQUES TO ARRAY PATTERN SYNTHESIS ; (1) Time Domain Element Space Array Processing Models and Structures (2) Design of General Array Pattern Sysnthesis (3) Sidelobe Suppression for General Arrays Pattern Synthesis (4) Sidelobe Suppression for General Arrays With Element Failures. (5) Quiescent Pattern Control Strategy for Generalized Sidelobe Canceller (6) Design of Broadband Time Domain Element Space Array Processors
Assoc Prof So Ping Lam	Dr So's areas of expertise are power system stability and control, FACTS, active power filters, and power line communications. His current research works focus on distributed generation and clean energy.
Prof Soh Yeng Chai	Robust system theory and applications; Estimation and filtering; Signal and information processing; Hybrid systems and applications; Optical signal processing.
Assoc Prof Soon Ing Yann	A/Prof Soon's areas of expertise are Speech Signal Processing, Image Processing, and Embedded Systems. His current research works focus on Speech Enhancement, Speech Recogntion and Blind Source Separation.
Assoc Prof Soong Boon Hee	Research interests in the area of Ad Hoc and Wireless Sensors Networks, Mobility Management, Network Planning and Capacity Optimisation, and Adaptive Video Rate Control.
Asst Prof Sudha Natarajan	Computer Vision and Image Processing, Neural Networks, Embedded systems and VLSI architectures. Current research focus is in Face Recognition, Iris Recognition and Embedded Systems for Vision-based Applications.
Assoc Prof Sun Changqing	Surface science and thin film technology. Nano and microelectronics. Condensed matter physics and materials science.
Asst Prof Sun Handong	Prof Sun's areas of expertise are Optics & Materials physics. His research theme exists at the interface between optical physics and material science, i.e. light-matter interaction. His current research works focus on Optical spectroscopic characterization, Optoelectronic Devices, Plasmonics Optics and Applications of Photonics
Assoc Prof Sung, Eric	My current research interests are in Machine Learning and Computer Vision as applied to Face and Facial Expression Recognition. Some of the work produced by myself and my graduate students are to develop novel algorithms (in subspace learning and SVM accelerator) and tested on face databases and other well known databases. Previous work includes autonomous road following on unstructure terrains based on naive bayes classifier trained on road and non-road samples. Another is applying machine learning and stereovision to segment the 3D disc boundary in the fundus region of the eye. Fractals were also used to embedded digital information in images, possessing robustness to various attacks.
Assoc Prof Sunita Chauhan	Medical/surgical robotics, Computer Assisted/Integrated Surgery, Bio-medical Instrumentation, Robotics, Mechatronics, Sensors/Transducers, Ultrasound in Medicine (Diagnostic, Therapeutic, Surgical), Signal/Image Processing, Bio-mechanics (hard and soft tissue), Tissue characterization, Real-time monitoring and feedback.
Assoc Prof Tan Boon Tiong	A/Prof Tan Boon Tiong area of expertise is Biomedical Engineering. His current research works focus on medical instrumentation and biomedical signal processing.
Assoc Prof Tan Cher Ming	Reliability physics; Reliability statistics; maintainability; failure analysis; quality engineering; wafer bonding; power electronics, nano-technology
Asst Prof Tan Chuan Seng	On wafer 3-D/Vertical Integration of ICs, Group-IV Hetero-epitaxy and Devices
Assoc Prof Tan Eng Leong	Computational electromagnetics/optics/acoustics - FDTD, ADI/LOD/SS, fundamental implicit schemes; RF/Microwave IC; SAW/BAW; Photonic crystals, phononic crystals
Prof Tan Hong Siang	Research interests: Microwave remote sensing, electromagnetic propagation and scattering, dielectric mixture theory, heat transfer techniques for drying applications, filtered cathodic vacuum arc techniques for thin film applications, non-invasive waveguide probes for biomedical applications.
Asst Prof Tan Meng Tong	Dr Tan's research interests are in the area of integrated circuits for Mixed-signal, Audio and Power Management applications. His current research works focus on * Analog and Digital Class D Audio Power Amplifier; * Digital DC-DC Converter for mobile applications; * Low Power Low Voltage Arithmetic Circuits for Digital Signal Processing Applications; * High Intensity Focused Ultrasound for Surgical Applications.
Prof Tan Ooi Kiang	Dr Tan has been actively involved in the Sensors, Actuators, and Smart Materials as well as the Nanoelectronics and Silicon Technology research groups in the Microelectronics Center, School of EEE. His research focus is in the area of microelectronics and nanoelectronics materials and devices design for electronics, bio-medical, functional sensor and actuator applications. These includes the synthesis, fabrication and characterization of semiconductor & ferroelectric nano-structured metal oxide and composite materials, thick and thin film functional devices; solid-state reaction high-energy ball milling and sol-gel processing, ICP-CVD nano-technology; bio-chemical sensor and actuator applications; and silicon-based device fabrication & integration. Dr Tan is the principal investigator for 13 research projects with a total funding of $3.8 millions (not including scholarship funding for students) mainly in the areas of chemically-activated nano materials and functional devices. Currently, he leads a 20-member research team of research staff and students; and collaborates with many colleagues, both locally and internationally.
Assoc Prof Tan Soon Hie	His current academic research interests are in computational electromagnetic fields and scattering, antennas, microwave circuit and communication system designs, distributed computing technologies and their application to satellite ground system software design. He is also interested in space technologies and micro-satellite engineering research and development. Currently he is working on space internet architectures for network centric space and ground system interoperability for future satellite missions.
Assoc Prof Tan Soon Yim	Prof Soon Yim TAN's areas of expertise are electromagnetic scattering and diffraction theory, localization methodology and propagation models for wireless communication systems and sensor networks, and non-invasive cancer detection. His current research works focus on non line-of sight localization methodology for mobile communications and sensor networks, Microwave breast cancer detection and magnetic therapeutic.
Asst Prof Tan Su Lim	Wait
Assoc Prof Tan Yap Peng	Image and Video Processing; Multimedia Computing; Computer Vision; Pattern Recognition; Information Retrieval.
Assoc Prof Tang Dingyuan	Laser physics and engineering, laser technology, nonlinear optics, nonlinear fiber optics, ultrafast optics, nonlinear dynamics of optical systsms, nano optics, optical materials
Assoc Prof Tang Xiaohong	. Compound semiconductors and photonic devices. . Metal organic vapor phase epitaxy. . Nanophotonics and nanoelectronics: materials, physics and devices. . Heterogeneous epitaxy growth of compound semiconductors on silicon substrate. . Semiconductor quantum dot, nanowire photonics and electronics.
Prof Tay Beng Kang	B K Tay's research in the plasma processing of materials spans over 12 years and has resulted in over 280 publications. Prof Tay's computed h-index is 27 with SCI citations of 1900 (excluding self). He performed the most comprehensive investigation of the effect of ion energy on the properties of tetrahedral amorphous carbon, of which one paper has been cited 100 times since 1996. Prof Tay and co-workers successfully completed detailed studies into the science and engineering of plasma processes in filtered cathodic vacuum arc technology which overcame serious shortcomings in this technique including problems in controlling the film deposition rate and film uniformity. This resulted in 9 patents based on filtered cathodic vacuum arc technology. He jointly-invented an industrial viable film deposition system where it is currently being used by storage media industries to deposit hard coatings for the production of hard disk drives. This work led him and his co-workers to win the coveted ASEAN Outstanding Engineering Award and the highly prestigious National Technology Award (Singapore) in 1997 and 2000 respectively for outstanding and pioneering R&D contributions on a new filtered cathodic vacuum arc technology. Prof Tay has performed pioneering research in plasma ion immersion implantation and deposition which resulted in the development of novel nanostructured materials, metal nanocomposites and nanoclusters. Recently his team won the 2007 IES Prestigious Engineering Achievement Awards for their work in Nano-engineered Carbon Hybrid Systems. His research work is now focused on the applications of the FCVA technology, which includes diamond-like carbon, metal oxides and embedded nanocluster films and extending into various technological areas such as thin film coatings, field-emission displays to MEMS, nanoelectronics and biotechnology. Currently he is supervising 6 PhD students. Selected Papers 1. D.W. M. Lau, D. G. McCulloch, M. B. Taylor, J. G. Partridge, D. R. McKenzie and N. A. Marks, E.H. T. Teo and B. K. Tay, Abrupt Stress Induced Transformation in Amorphous Carbon Films with a Highly Conductive Transition Phase, Phys Rev Lett, 100, 176101 (2008). 2. Edwin. H. T. Teo, Wendy. K. P. Yung, D. H. Chua & B. K. Tay, A Carbon Nanomattress: A New Nanosystem with Intrinsic, Tunable, Damping Properties, Adv. Mater, Vol. 19, No. 19, pp. 2941-2945 (2007). 3. Yang Y, Sun XW, Tay BK, et al. Twinned Zn2TiO4 spinel nanowires using ZnO nanowires as a template, Adv. Vol. 19 (14): 1839 (2007) 4. Tay BK, Zhao ZW, Chua DHC, Review of metal oxide films deposited by filtered cathodic vacuum arc techniques, Materials Science & Engineering R-Reports, 52 (1-3): 1-48 (2006) 5. J. Y. Sze, B. K. Tay, C. I. Pakes, , D. I. Jamieson and S. Prawer, Formation of Ni nanoparticles in an ion-modified polymer, J. Appl. Phys., 98, 066101 (2005) 6. D. G. McCulloch, J. L. Peng, D. R. McKenzie, S. P. Lau, B. K. Tay and D. Sheeja,Mechanisms for the behaviour of carbon films during annealing, Physical Review B, 70, 8 (2004) 7. T. L. Schiller, D. Sheeja, D. R. McKenzie, D. G. McCulloch, S. Burn, D. S. P. Lau and B. K. Tay, Plasma immersion ion implantation of poly(tetrafluoroethylene), Surface and Coatings Technology 177 -178, 483-488 (2004) 8. Shi X, Tay BK, Tan HS, et al. Transport of vacuum arc plasma through an off-plane double bend filtering duct, Thin Solid Films, 345 (1): 1-6 (1999) 9. Tay BK, Shi X, Tan HS, et al. Raman studies of tetrahedral amorphous carbon films deposited by filtered cathodic vacuum arc, SCT 105 (1-2): 155-158 (1998) 10. Xu S, Tay BK, Tan HS, et al. Properties of carbon ion deposited tetrahedral amorphous carbon films as a function of ion energy, Journal of Applied Physics, 79 (9): 7234-7240, (1996)
Asst Prof Tay Leng Phuan, Alex	Alex Tay's research interests currently lie in Cognitive Intelligence. He actively seeks to understand how human percepts can be derived from sensory inputs and how these representations can be transformed into memories. His current project to develop a cognitive autonomous vehicle seeks solutions to visual perceptions through active cognitive binocular interactions with the real world. He is also investigating cognitive navigation whereby autonomous systems can use perceived states to aid in the navigational tasks. Dr Tay's research is always augmented with actual implementations. He, together with a strong team have managed to build a vehicular platform to realize the investigations.
Assoc Prof Teh Kah Chan	Prof Teh Kah Chan's areas of expertise and research interests are as follows: 1. Signal Processing for Communications 2. Performance Analyses for Spread Spectrum (Direct-Sequence and Frequency-Hopped) Communication Systems 3. Multi-user Detection for Code-division Multiple-Access Systems 4. Interference Suppression for Ultra-Wideband Communication Systems 5. Cognitive Radio
Prof Thambipillai Srikanthan	His research interests include design methodologies for complex embedded systems, architectural translations of compute intensive algorithms, computer arithmetic and high-speed techniques for image processing and dynamic routing. He has published more than 250 technical papers including 60 journals in IEEE Transactions, IEE Proceedings and other reputed international journals. His services as a key consultant to embedded systems industry, both locally and internationally are continually being sought for. His specific research contributions have led to design and development of a number of innovative embedded solutions for consumer market. His pioneering efforts in low-cost roadway navigation and image processing solutions have led to commercially viable intellectual properties. He has pioneered the development of techniques based on artificial intelligence heuristics to accelerate embedded computations. His current projects involve the development of novel techniques for vision-enabled embedded systems as well as design methodologies to shorten the Time-To-Market (TTM) and to reduce Non-Recurring Engineering (NRE) costs.
Asst Prof Ting See Ho	Dr. Ting's areas of expertise are wireless communication theory and hardware implementation of wireless communciation testbeds. His current research work focus on MIMO-OFDM transmission techniques, cooperative communication systems, wireless network coding and hardware implementation for a wireless cooperative network.
Assoc Prof Tjin Swee Chuan	Swee Chuan Tjin's research interests are in fibre optic sensors, biomedical engineering and biophotonics.
Assoc Prof Tseng King Jet	Dr Tseng's research areas are Power Semiconductor Devices; Electron Device Modelling and Simulation; Electrical Energy Conversion; Electrical Energy Generation, Distribution, Storage and Utilization; Energy Efficiency; Power Systems and Power Electronics. His current research projects are Marine Tidal Stream Energy Systems, Energy Storage for Renewables, and Wide Band-Gap Power Semiconductors.
Asst Prof Vinod Achutavarrier Prasad	Digital Signal Processing, Low Power Reconfigurable DSP Circuits for Software Radio and Cognitive Radio, Biomedical Signal Processing, Brain-Computer Interface, Number Theoretic Transforms for Signal processing and Communications ACTIVE RESEARCH GRANTS: - Project grants amounting $298,344 as Principal Investigator (Funding from MOE, MINDEF, Merlion (France-Singapore Cooperation), European Aeronautic Defence & Space Company (EADS). - Project grants amounting $54,194 as Co-Investigator (Funding from MOE).
Asst Prof Vitali Zagorodnov	Prof Zagorodnov?s areas of expertise are signal and image processing. His current research works focus on brain structural and functional imaging.
Assoc Prof Vun Chan Hua, Nicholas	Prof Nicholas Vun's areas of expertise are embedded system design, switch mode power supply, and data acquisition system. His current research works focus on applying software defined radio technologies onto embedded systems.
Asst Prof Wan Chunru	Prof Wan's areas of expertise are signal processing, sonars, communications, parallel computing, underwater acoustics and computational mathematics. His current research works focus on signal processing for sonar, communication and multimedia.
Prof Wang Dan Wei	Iterative learning control; Repetitive control; Manipulator/mobile robot dynamics, path planning, and control; Model-based fault diagnosis and identification as well as prognosis; Satellite formation flying.
Assoc Prof Wang Hong	Prof. Wang's areas of expertise are semiconductor devices and IC technologies. His current research works focus on compound semiconductor and Si-based device physics, fabrication technology, and characterization.
Assoc Prof Wang Libo	Nature-inspired computation, including neural networks, evolutionary computation, fuzzy systems, and chaos, with applications to data mining, bioinformatics, and combinatorial optimization.
Assoc Prof Wang Peng	Power system planning and operation; Renewable energy planning; Solar/electricity convesion system; Power market; Power system reliability analysis.
Asst Prof Wang Ping	- Multimedia wireless communications - Distributed resource allocation - Quality-of-service (QoS) provisioning - Medium access control, call admission control, and congestion control - Cross-layer design
Asst Prof Wang Qijie	My current research interests are to explore theoretically and experimentally nano-structured semiconductor and metal materials, and devices with an emphasis on all aspects of the problem: from design, fabrication, characterization, to integration at system level. In particular, I am going to investigate the fundamental properties (optical and electrical) of semiconductor lasers in both mid-IR (3-30 um) and Terahertz (60-300 um) frequency regimes to improve their performance. Currently, I have several fully funded (including tuition fee, scholarship, and other support) Ph.D research scholarship positions and one postdoctoral position available in my research group. I am looking for strongly motivated both postdoc and Ph.D researchers dedicated to the cutting edge research in semiconductor laser devices, nanotechnology, optical chaotic microcavities, and optics/photonics.
Asst Prof (Adj) Wang Xincai	Laser processing and micro-machining including laser surface texturing, laser annealing, laser marking, laser-assisted metallisation, laser processing of semiconductors and dielectrics, Laser dicing of PCBs and Si wafer, and Ultra-fast laser-based processing and micromachining; Rapid thermal annealing; III-V compound semiconductor.
Asst Prof (Adj) Wang Yixin	Ultrahigh capacity optical transmission technology and system Optical Networks Photonic packet switching Microwave photonics
Prof Wang Youyi	Dr. Wang Youyi's main research interests are in the area of applications of nonlinear control, robust control to power and energy systems, electric drive systems, information storage systems, fuel cell systems, renewable energy systems and MEMS systems. Since he joined Nanyang Technological University in 1991, Dr. Wang keeps actively doing research in many areas and exploring some new research areas. Dr. Wang has made a good contribution and has a good international recognition and reputation in the established research areas of power and energy system control and analysis, hard disk drive systems, drive system control, and renewable energy system modeling and control.
Prof Wen Changyun	Prof Wen's areas of expertise are Adaptive Control,Switching and Impulsive Systems,Modeling and Design of Steam Ejector Based Air-Conditioning Systems,Modeling, Monitoring, Control and Optimization of Water Distribution Networks, Iterative Learning Control,Control of Nano-Systems, Control of Biomedical Systems,Optical signal Processing,Active Vision and Its Applications,Chaos-Based Secure Communication Systems,Robust Control,2-D Systems and Image Processing. Currently his current research works focus on Adaptive Control,Modeling and Design of Steam Ejector Based Air-Conditioning Systems,Modeling, Monitoring, Control and Optimization of Water Distribution Networks, Control of Nano-Systems, Control of Biomedical Systems,Chaos-Based Secure Communication Systems.
Assoc Prof Wong Jia Yiing, Patricia	Dr Wong has vast research experience in differential equations, difference equations, integral equations, dynamic equations on time scales, as well as numerical mathematics and inequalities. In the earlier years, Dr Wong worked in the fields of numerical mathematics and inequalities, particularly in splines and error inequalities of polynomial interpolation. The work done is documented in the monograph [1]. Later she has been working on differential and difference equations, focusing on the oscillatory behaviour and also the existence of solutions under various boundary conditions. Recently, in addition to differential and difference equations, Dr Wong also works on integral equations, as well as dynamic equations on time scales, which include differential and difference equations as special cases. The results of the recent work, particularly on the existence of solutions of boundary value problems, have applications to a wide spectrum of physical problems. The work is ongoing, those completed till 1998 is documented in the monographs [2] and [3]. Dr Wong has published 3 monographs and more than 120 research papers in international refereed journals. Presently, Dr Wong serves on the editorial board of Advances in Difference Equations (USA), Journal of Inequalities and Applications (USA), and Advances in Dynamical Systems and Applications (USA). 1. Agarwal, R.P. & Wong, P.J.Y. Error Inequalities in Polynomial Interpolation and their Applications. Kluwer Academic Publishers, Dordrecht (1993), 365 pp. 2. Agarwal, R.P. & Wong, P.J.Y. Advanced Topics in Difference Equations. Kluwer Academic Publishers, Dordrecht (1997), 507 pp. 3. Agarwal, R.P., O'Regan, D. & Wong, P.J.Y. Positive Solutions of Differential, Difference and Integral Equations. Kluwer Academic Publishers, Dordrecht (1999), 417 pp. 4. Wong, P.J.Y. Three fixed-sign solutions of system model with Sturm-Liouville type conditions. Journal of Mathematical Analysis and Applications, USA (2004), 298: 120 - 145. 5. Wong, P.J.Y. Multiple fixed-sign solutions for a system of difference equations with Sturm-Liouville conditions. Journal of Computational and Applied Mathematics , Netherlands (2005), 183: 108 - 132.
Asst Prof Wong Kai Juan, Steven	Wireless Sensor Networks, Mobile Ad-hoc Networks, Pervasive Systems, Embedded Systems
Assoc Prof Wong Kin Shun, Terence	Professor Wong's research focus is in: 1. Organic electronics: organic light emitting diodes; organic photovoltaic devices, printing processes for large area electronics. 2. Silicon nanoelectronics: mechanisms of local strained silicon devices; measurement of biaxial stressed silicon 3. Characterisation techniques: use of synchrotron x-ray scattering to characterize the structural properties of electronic materials 4. Interconnects: deposition of low-k dielectrics and material property characterization; sol-gel synthesis of dielectrics; high frequency measurement and modeling Cu/low-k interconnects. His current research focus is on organic electronics and silicon nanoelectronics.
Asst Prof Wu Tao	Dr. Wu?s areas of expertise are spintronics, multiferroics, oxide thin films,functional nanomaterials and devices.
Assoc Prof Xiao Gaoxi	* Complex Systems and Networks * Optical and Wireless Networking * Internet Technologies * Network Security
Prof Xie Lihua	Prof Xie's expertise areas include robust control and estimation theory. His current research works focus on collaborative information processing in wireless sensor networks, networked control, cooperative control, time-delay systems, and modeling and control of data storage systems.
Prof Xing Chaoping	Algebraic curves over finite fields; application of algebraic geometry and number theory to block coding, quantum coding, space-time coding, cryptograpgy and quasi-Monte Carlo methods; lattice packings.
Asst Prof Xiong Qihua	Dr. Qihua Xiong?s research is driven by the paradigm of ?bottom-up? nanoscience and nanotechnology. His research covers rational synthesis of functional semiconductor nanomaterials, systematic investigations on their physical properties at quantum size regime and practical applications in nanoelectronics, nanophotonics and nanobiotechnology. His expertise includes Raman scattering spectroscopy, optical absorption spectroscopy, electron microscopy and spectroscopy, scanning probe microscopy, electrical transport, photoconductivity and nanopore biosensing. His group at NTU recently focuses on the following subjects: ? Develop novel approaches to synthesize and tune 1D nanomaterials and heterostructures ? Investigate their fundamental properties as an outcome of confined geometry and anisotropy ? Explore the applications of nanomaterials in nanoelectronics, nanophotonics, energy harvesting ? Build nanoelectronic-bio interfaces, e.g., nanopore field effect transistor for biosensing
Assoc Prof Xue Ping	Digital Signal Processing, Multimedia Signal Processing and Digital Communications.
Asst Prof (Adj) Yao Jianchao	Face technology such as 3D face modeling and recognition Statistical estimators Image registration 3D reconstruction and image restoration Vision based Navigation
Assoc Prof (Adj) Yao Kui	Yao Kui's research areas cover smart materials with sensing, actuation, power generation functions, and their integrations in micro and nano systems. The materials and the related functional mechanisms under his current interests include ferroelectric, piezoelectric, electrostrictive, photovoltaic, photostrictive, chemical and bio sensor materials. Working together with his research team and collaborators, he has designed and demonstrated a variety of sensors, actuators, and transducers on the basis of the functional mechanisms of the smart materials. Thin film depositions and micro/nano fabrication processes are used to produce many of the miniaturized devices. His research work has attracted significant interests for industry applications and currently he is active in collaborating with industry.
Asst Prof Yap Kim Hui	Dr. Yap's main research interests include image/video processing, media content analysis, computer vision, human-computer interaction, and computational intelligence.
Asst Prof (Adj) Yau Wei Yun	Dr. Wei-Yun Yau's areas of expertise are computer vision, biometrics, and robot-vision interface. His current research works focus on fingerprint system such as match-on-card, cancelable template, fake finger detection and soft-biometric fusion as well as media personalization focusing on user analysis, content recommendation and personalization and interactive interface.
Assoc Prof Yeo Chai Kiat	Her research focus is on Heterogeneous and robust MANETs, Pervasive Wireless Access and Seamless Mobile Communication in Mobile Ad Hoc Networks, IP Mobility, overlay networks and Peer-to-Peer Systems, Speech Enhancement and Processing.
Prof Yeo Kiat Seng	His research interests include device characterization and modeling, RF IC design, and low-voltage low-power IC design.
Asst Prof Yu Hao	(1)Design and test of high-performance heterogeneous micro-electronic system: (1.1) analysis, design and test of analog/RF front-ends beyond 40nm and 60GHz; (1.2) system-level design methodology for heterogeneous 3D integration with applications in smart-sensor system and multi-core system; (2) Computational prototyping of electronic circuit and system: (2.1) macro-modeling for strong nonlinear analog/RF system; (2.2) stochastic method for device modeling and yield analysis considering PVT variation; (2.3) parallel method for EM-coupled device/circuit verification; (2.4) system engineering of nano/bio-electronics;
Asst Prof Yu Hongyu	Prof Yu HongYu's areas of expertise are process technologies, novel device design and new materials exploration for semiconductor (especially Si-based) devices. His current research works focus on Si-based nanoscale electronic devices for various applications, e.g. future generation of non-volatile memory & DRAM, sub-22nm CMOSFETs logic devices, Si photonics, and solar energy harvesting devices.
Assoc Prof Yu Siu Fung	His main research interest includes the fundamental study, design and optimization of semiconductor lasers including distributed feedback lasers and vertical cavity surface emitting lasers. He has contributed to the development of computer models to study the dynamic behavior of semiconductor lasers. He also involved in the design and analysis of high power semiconductor pumped lasers. He has been developed k.p method to calculate quantum wells and quantum cascade structures for the realization of long and mid-infared wavelength optical gain materials. Currently, he has investigation on the development of surface plasmonic resonant lasers using metallic optical waveguide with optical gain media. He is also involved in the development of low-loss high-power polariton LEDs and lasers. In addition, he has been devoted to the development of spin-LEDs and Lasers using dilute ZnO ferromagnetic thin films at UV wavelength.
Asst Prof Yu Yajun	VLSI digital signal processing and circuits and systems
Asst Prof Yuan Junsong	Computer vision, Image and video data mining and content analysis, machine learning, multimedia search
Assoc Prof Yvonne Lam Ying Hung	Assoc Prof Yvonne Lam's research interests are in analogue IC design as well as Analogue Design Automation.
Asst Prof Zhang Daming	His main research interests include electromagnetic phenomena in power apparatuses,computational methods for electric and magnetic fields, study on magnetic and dielectric properties of materials, space charge distribution in dielectric materials and renewable energy.
Assoc Prof Zhang Qing	Prof Zhang Qing's areas of expertise are electronic devices and materials. His current research works focus on carbon nanotube based devices and fundamentals. CVD diamond and diamond-like carbon films based devices, silicon related thin films, etc.
Assoc Prof (Adj) Zhang Ying	His current research interests include optical precision measurements, near-field optics, adaptive control and signal processing, image processing, and optical communication.
Prof Zhong Wende	Dr Zhong's areas of expertises are optical communication systems, optical networks, and photonic packet switching. His current research works focus on: 1. WDM optical passive access network 2. Optical signal processing 3. Traffic grooming and multicasting in IP over WDM networks, 4. Optical performance monitoring for transparent optical networks 5. Survivable optical network design 6. Photonic packet switching systems
Asst Prof (Adj) Zhou Luying	Prof Zhou's areas of expertise are communication networks design and analysis. His current research interests include high-speed networks, WDM optical networks, wireless networks, optical access networks and Grid networking.
Assoc Prof Zhou Xing	Prof Zhou Xing's areas of expertise are semiconductor device physics, modeling, simulation, technology CAD, mixed-signal CAD, Monte Carlo, ultrafast phenomena. His current research works focus on nanoscale compact model development for bulk/SOI/multiple-gate CMOS.
Assoc Prof Zhu Ce	Prof Zhu Ce's areas of expertise are image/video coding and communications, and multimedia signal processing for interactive digital media. His current research work focus on advanced video coding and robust transmission, multiple description coding, distributed source coding and joint source-network coding.
Assoc Prof Zhu Lei	Areas of expertise: Applied electromagnetics and microwave engineering Current research interests: Planar RF & microwave circuits, periodic structures, planar antennas, numerical EM modeling & de-embedding techniques.

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