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Contact Details:
Associate Professor (Deputy Head, Division of Information Engineering) School of Electrical & Electronic Engineering, Block S1 Nanyang Technological University +65 6790 4013 (voice) +65 6793 3318 (fax) |
The group celebrating ICASSP 2006 Student Paper Award |
Current Research Topics:
- Lattice based arbitrary length and unequal length linear phase filterbank design
- Lattice based arbitrary length linear phase oversampled filterbank design
- Theory of frames in presence of quantization and erasures
- Distributed source coding for correlated sources
- Decoding of real DFT codes
- Compressed sensing based video compression
- Segmented video compression for surveillance video
- Document image watermarking with restoration capability
General Research Interests:
Theory of Signal Compression: non-uniform
subband/transform coding, optimal subband
decomposition, quantization noise shaping in subband/transform
coding, distributed source coding, multiple description coding, multiple
description subband coding
Multirate Signal Processing: FIR/IIR/linear phase/oversampled/warped filterbank
characterization and design
Image/Video Compression: Using compressed sensing/distributed coding/multiple description coding/wavelet/fractal/lossless/motion field modeling
Vector Quantization: Variable dimension VQ, fast VQ, VQ with 2-D tiling
Image/Video Processing: watermarking,
segmentation, halftoning, restoration, 2-D filter
design, television video processing, postprocessing
Links:
Research Showcase 1 |
An introductory presentation of
our research on filterbank factorization
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Research Showcase 2 |
An introductory presentation of our research on document watermarking for restoration |
Report on Subband Coding Gain |
Theoretical derivation of subband coding gain for almost all cases that can be
encountered
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Publication |
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Professional Chronology |
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Personal Chronology |
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My collection of amazing sentences
updated
March 2008