Personal Website

Image/video compression, image/video processing, filter bank, wavelets, multimedia communications, wireless communications.

Selected Publications

Journals

J. Liang, C. Tu and T. D. Tran, "Optimal block boundary pre/post-filtering for wavelet-based image and video compression", IEEE Trans. on Image Processing, submitted Jan. 2004.

C. Tu, T. D. Tran and J. Liang, "Error resilient pre-/post-filtering for DCT-based block coding systems", IEEE Trans. on Image Processing, revised Apr. 2004.

J. Liang, T. D. Tran, and R. L. de Queiroz, "An alternative DCT-based general structure for linear phase paraunitary filter banks", IEEE Trans. on Signal Processing, vol. 51, No. 6, pp. 1572-1580, Jun. 2003.

T. D. Tran, J. Liang, and C. Tu, "Lapped transform via time-domain pre- and post-filtering", IEEE Trans. on Signal Processing, vol. 51, No. 6, pp. 1557-1571, Jun. 2003.

C. Tu, J. Liang, and T. D. Tran, "Adaptive runlength coding", IEEE Signal Processing Letters, vol. 10, pp. 61-64, Mar. 2003.

J. Liang and T. D. Tran, "Fast multiplierless approximation of the DCT with the lifting scheme," IEEE Transaction on Signal Processing, Vol. 49, No. 12, pp. 3032-3044, Dec. 2001.

J. Liang, S. Elangovan, J. B. X. Devotta, "Application of Wavelet Transform in Travelling Wave protection", International Journal of Electrical Power & Energy Systems, Vol. 22, No. 8, pp. 537-542, Nov. 2000.

J. Liang, S. Elangovan and J. Devotta, "Adaptive Travelling Wave Protection Algorithm Using Two Correlation Functions", IEEE Transactions on Power Delivery, Vol. 14, No. 1, Jan 1999, pp. 126-131.

J. Liang, S. Elangovan and J. Devotta, "Pattern Recognition Technique for Travelling Wave Protection", International Journal of Electrical Machines and Power Systems, Vol.26, No.10, Dec 1998, pp. 991-1005.

J. Liang, S. Elangovan and J. Devotta, "A Wavelet Multiresolution Analysis Approach to Fault Detection and Classification in Transmission Lines", International Journal of Electric Power & Energy Systems, Vol. 20, No. 5, pp. 327-332, Jun. 1998.

Conferences

J. Liang, C. Tu and T. D. Tran, "Optimal Block Boundary Pre/Post-Filtering for Wavelet-based Image and Video Compression", ICIP 2004, Singapore, Oct. 2004.

C. Tu, T. D. Tran and J. Liang, "Under-sampled and over-sampled pre-/post-filters for block DCT coders", ICIP 2004, Singapore, Oct. 2004.

J. Liang, G. Zhao, R. Xu, C. Kwan and C.-I. Chang, "Target Detection with Texture Feature Coding Method and Support Vector Machine", Proceedings of ICASSP 2004, Montreal, Quebec, Canada, May, 2004.

J. Liang, C. Tu and T. D. Tran, "Optimal Pre- and Post-Processing for JPEG2000 Tiling Artifact Removal", 37th Annual Conference on Information Systems and Science (CISS 2003), Baltimore, MD, USA, 12-14 March 2003.

J. Liang, L. Gan, C. Tu, T. D. Tran, and K.-K. Ma, "On Efficient Implementation of Oversampled Linear Phase Perfect Reconstruction Filter Banks", Proc. IEEE ICASSP 2003, Hong Kong, Apr. 2003.

C. Tu, T. D. Tran and J. Liang, "Error resilient pre-/post-filtering for DCT-based block coding systems", Proc. IEEE ICASSP 2003, Hong Kong, Apr. 2003.

J. Liang and T. D. Tran, "A partial-DFT-based OFDM system resistant to channel nulls", 36th IEEE Asilomar Conference on Signals, Systems, and Computers, Pacific Grove, Nov. 2002.

J. Liang and T. D. Tran, "Further Results on the DCT-based Structure for Linear Phase Paraunitary Filter Banks", Proc. of 2002 IEEE Int. Conf. on Image Processing, Vol. 2, pp. 681-684, Rochester, NY, Sept. 2002.

C. Tu, J. Liang, and T. D. Tran, "Adaptive runlength coding," Proc. of 2002 IEEE Int. Conf. on Image Processing, Vol. 2, pp. 665-668, Rochester, NY, Sept. 2002.

J. Liang and T. D. Tran, "DCT-based General Structure for Linear Phase Paraunitary Filter Banks", Proc. of IEEE Int. Conf. on Acoustics, Speech, and Signal Processing, Vol. 2, pp. 1169-1172, Orlando, FL, May 2002.

J. Liang, C. Tu and T. D. Tran, "Fast Lapped Transforms via Time-Domain Pre- and Post-processing" (Invited paper), Proc. of 2001 IEEE Int. Conf. on Info., Comm., and Signal Proc. (ICICS), Singapore, Oct. 2001.

J. Liang and T. D. Tran, "Approximating the DCT with the Lifting Scheme: Design and Applications", Proc. of the 34th IEEE Asilomar Conference on Signals, Systems, and Computers, Pacific Grove, CA, Nov. 2000.

J. Liang and T. D. Tran, "Fast multiplierless approximation of the DCT with the lifting scheme", Proc. SPIE Applications of Digital Image Processing XXIII, San Diego, Aug. 2000.

J. Liang, P. Xu, and T. D. Tran, "A robust DCT-based low frequency watermarking scheme," 34rd Annual Conference on Information Sciences and Systems, Princeton, NJ, March 2000.

Proposals for Standards

J. Liang, T. D. Tran and P. Topiwala, "A 16-bit architecture for H.26L", ITU-T/SG16/Q.6, H.26L Proposal Document VCEG-M16, Austin, Texas, 2-4 April, 2001.

Contributor of SMPTE VC-9 Video coding standard draft (proposed by Microsoft), 2003-2004.

Patents

J. Liang, B. Lin, S. Regunathan, and S. Srinivasan, "Advanced Multi-layer entropy coding for Video Compression", filed with Microsoft, April 2004.

S. Srinivasan and J. Liang, "Fast Implementation of Transforms Defined in Windows Media Video 9 (WMV9)", filed with Microsoft, May 2004.

J. Liang, B. Lin, S. Srinivasan, T. Holcomb, "Zigzag Scanning for Interlaced-Content Video Coding With Variable Block Size Transform", to be filed with Microsoft in 2004.

J. Liang, B. Lin, S. Srinivasan, T. Holcomb, "Zigzag Scanning for Progressive-Content Rectangular-Block-Size Transform Coding", to be filed with Microsoft in 2004.