M. G. Sarwer and Lai-Man Po, "Fast Bit Rate Estimation for Mode Decision of H.264/AVC," accepted for publication in IEEE Trans. on Circuits and Systems for Video Technology, 2007.
L. M. Po and K. Guo, "Transform-Domain Fast Sum of the Squared Difference Computation for H.264 Rate-Distortion Optimization," IEEE Trans. on Circuits and Systems for Video Technology, vol. 17, No. 6, pp. 765-773, June 2007.
PDF File (496 Kbytes)
L. M. Po, C. W. Ting, K. M. Wong and K. H. Ng, "Novel Point-Oriented Inner Searches For Fast Block Motion Estimation," IEEE Trans. on Multimedia, Vol. 9, No. 1, pp. 9- 15, Jan 2007.
PDF File (804 Kbytes)
L. M. Po, C. W. Ting, and K. H. Ng,
"New Enhanced Hexagon-Based Search Using Point-Oriented Inner Search for Fast Block Motion Estimation,"
International Journal on Signal Processing, 3(3), pp. 193-197, 2006.
PDF File (440 Kbytes)
(download)
Z. Y. Mai, C. L. Yang, L. M. Po, and S. L. Xie,
"A New Rate-Distortion Optimization Using Structural Information in H.264
I-Frame Encoder,"
Lecture Notes in Computer Science, Vol 3708/2005,
Springer-Verlag GmbH, Oct. 2005, pp 435-441.
PDF File (836 Kbytes)
(download)
C. H. Cheung and L. M. Po, "Novel Cross-diamond-hexagonal Search Algorithms for Fast Block Motion Estimation,"
IEEE Trans. on Multimedia, vol. 7, No. 1, pp. 16 - 22, Feb 2005. PDF File (774 Kbytes)
C. Zhu, X. Lin, L. P. Chau, and L. M. Po, "Enhanced Hexagonal Search for Fast Block Motion Estimation,"
IEEE Trans. on Circuits and Systems for Video Technology, vol. 14, Issue 10, pp. 1210 - 1214, Oct. 2004.
PDF File (95 Kbytes)
C. H. Cheung and L. M. Po, "Adjustable Partial Distortion Search Algorithm for Fast Block Motion Estimation,"
IEEE Trans. on Circuits and Systems for Video Technology, Vol.13, No. 1, pp. 100-110, Jan. 2003.
PDF File (1,369 Kbytes)
K. W. Cheung and L. M. Po, "Spatial Coefficient Partitioning for Lossless Wavelet Image Coding,"
IEE Proc.-Vis. Image Signal Process., Vol. 149, No. 6, pp. 365-369, Dec. 2002.
PDF File (436 Kbytes)
C. H. Cheung and L. M. Po, "A Novel Cross-Diamond Search Algorithm for Fast Block Motion Estimation,"
IEEE Trans. on Circuits and Systems for Video Technology, Vol.12, No. 12, pp. 1168-1177, Dec. 2002.
PDF File (1,155 Kbytes)
S. Y. Wang and L. M. Po, "Embedded Lossless Wavelet-based Image Coder based on Successive Partition and Hybrid bit Scanning,"
IEICE Trans. on Fundamentals Special Section on DSP, Vol. E84-A, No. 8, pp. 1863-1868, Auguest 2001.
PDF File (422 Kbytes)
C. Zhu, L. M. Po and Y. Hua, "Optimized feature map finite-state vector quantization for image coding," IEE Proceedings: Vision, Image and Signal Processing, Vol. 147, Issue 3, pp. 266-270, June 2000.
PDF File (325 Kbytes)
C. K. Cheung and L. M. Po, "Normailized Partial Distortion Search Algorithm for Block Motion Estimation",
IEEE Trans. on Circuits and Systems for Video Technology, Vol.10, Issue 3, pp. 417-422, April 2000.
PDF File (123 Kbytes)
J. B. Xu, L. M. Po and C. K. Cheung, "Adaptive motion tracking block matching algorithms for video coding," IEEE Trans. on Circuits Syst. Video Technol. vol. 97, Oct.,1999, pp.1025-1029
PDF File (183 Kbytes)
Y. Zhang and L. M. Po, "Variable tree size fractal compression for wavelet pyramid image coding," Signal Processing: Image Communication, vol. 14, pp. 195-208, 1999.
C. Zhu and L. M. Po, "Minimax partial distortion competitive learning algorithm for optimal codebook design,"
IEEE Trans. on Image Processing, vol.7, No. 10, pp. 1400-1409, Oct. 1998.
PDF File (262 Kbytes) Source Code and Test Samples:mpdcla.tar.gz (492 Kbytes)
K. W. Cheung and L. M. Po, "Low complexity 2-D preprocessing for discrete multiwavelet transform of image signals," IEE Electronics Letters, vol. 33, no.12, pp. 1037-1039, 5th June 1997.
PDF File (621 Kbytes)
S. W. Chiang and L. M. Po, "Adaptive lossy LZW algorithm for palettised image compression," IEE Electronics Letters, vol. 33, no. 10, pp. 852-854, 8th May 1997.
PDF File (502 Kbytes)
Y. Zhang and L. M. Po,
"Speeding up fractal image encoding by wavelet-based block classification,"
IEE Electronics Letters, vol. 32, no. 23, pp. 2140-2141, Nov. 1996.
PDF File (464 Kbytes)
C. Zhu and L. M. Po, "Partial distortion sensitive competitive learning algorithm for optimal codebook design,"
IEE Electronics Letters, vol. 32, no. 19, pp. 1757-1758, Sept. 1996.
PDF File (253 Kbytes)
L. M. Po and W. C. Ma, "
A novel four-step search algorithm for fast block motion estimation"
IEEE Trans. Circuits Syst. Video Technol., vol. 6, No. 3, pp. 313-317, Jun. 1996.
PDF File (891 Kbytes)
L. M. Po, W. T. Tan and W. B. Wong, "Quadtree based colour quantization image compression,"
IEE Electronics Letters, vol. 31, no. 23, pp. 1988-1990, 9 Nov. 1995.
PDF File (519 Kbytes)
L. M. Po and C. K. Chan, "Adaptive dimensionality reduction techniques for tree-structured vector quantization,"
IEEE Trans. on Communications, Vol. 42, No. 6, pp. 2246-2257, June 1994.
PDF File (1,158 Kbytes)
L. M. Po and W. T. Tan, "Block address predictive colour quantisation image compression,"
IEE Electronics Letters, vol. 30, no. 2, pp. 120-121, Jan. 1994.
PDF File (184 Kbytes)
C. K. Chan and L. M. Po, "A complexity reduction technique for image vector quantization,"
IEEE Trans. on Image Processing, vol. 1, no. 3, pp. 312-321, July 1992.
PDF File (1,057 Kbytes)
L. M. Po and C. K. Chan, "Directionally classified image vector quantisation using Walsh Hadamard subspace distortion," IEE Electronics Letters, vol. 27, No. 21, pp. 1964-1967, 10th October 1991.
PDF File (316 Kbytes)
L. M. Po and C. K. Chan, "Hierarchical mean-residual image vector quantiser using Gradient-Laplacian subspace distortion," IEE Electronics Letters, vol. 26, No. 17, pp. 1362-1364, 16th Aug 1990.
PDF File (243 Kbytes)
L. M. Po and C. K. Chan "Novel subspace distortion measurement for efficient implementation of image vector quantiser," IEE Electronics Letters, vol. 26, no. 7, pp. 480 482, 29th March 1990.
PDF File (339 Kbytes)
C. K. Chan and L. M. Po, "Multiprocessor multipath recursive filter structure with no increase in computation complexity," IEE Electronics Letters, vol. 24, no. 20, pp. 1279-1280, 29th Sept 1988.
PDF File (123 Kbytes)
L M Po, C W Ting, K M Wong and K H Ng, "Point Oriented Hexagonal Inner Search For Fast Block Motion Estimation" Proceeding of 2006 International Conference on Image Processing, pp. 2349 ˇV 2352, Atlanta, GA, USA, October 2006.
PDF File (4900 Kbytes)
L. M. Po, C. W. Ting, and K. H. Ng,
"Enhanced Diamond Search Using Four-Corner-Based Inner Search for Fast Block Motion Estimation,ˇ¨
Proceeding of IEEE International Conference on Acoustics, Speech, and Signal Processing,
Vol. 2, pp. 901-904, May 2006, Toulouse, France.
PDF File (125 Kbytes)
Z. Y. Mai, C. L. Yang, K. Z. Kuang and L. M. Po,
"A Novel Motion Estimation Method based on Structural Similarity for H.264 Inter Prediction,ˇ¨
Proceeding of IEEE International Conference on Acoustics, Speech, and Signal Processing,
Vol. 2, pp. 913-916, May 2006, Toulouse, France.
PDF File (152 Kbytes)
G. H. Chen, C. L. Yang, L. M. Po and S. L. Xie,
"Edge-based Structural Similarity for Image Quality Assessment,ˇ¨
Proceeding of IEEE International Conference on Acoustics, Speech, and Signal Processing,
Vol. 2, pp. 933-936, May 2006, Toulouse, France.
PDF File (346 Kbytes)
C. W. Ting, W. H. Lam, and L. M. Po, ˇ§Fast block-Matching Motion Estimation by Recent-Biased Search for Multiple Reference Frames,ˇ¨ Proceeding, of IEEE International Conference on Image Processing, pp. 1445-1448, Oct. 2004, Singapore.
PDF File (327 Kbytes)
C. W. Ting, C. W. Lam, and L. M. Po, ˇ§A novel early-accepted partial distortion algorithm for fast block motion estimation,ˇ¨ Proceedings of 2004 International Symposium on Intelligent Multimedia, Video and Speech Processing, pp. 444-447, Oct. 2004, Hong Kong.
PDF File (944 Kbytes)
C. W. Lam, L. M. Po and C. H. Cheung,
"A Novel Kite-Cross-Diamond Search Algorithm For Fast Block Matching Motion Estimation",
Proceeding of IEEE International Symposium on Circuits and Systems, Vancouver, Canada, May 2004.
PDF File (219 Kbytes)
C. W. Lam, L. M. Po and C. H. Cheung,
"A Novel Kite-Cross-Diamond Search Algorithm For Fast Video Coding and Videoconferencing Applications",
Proceeding ofEE International Conference on Acoustics, Speech, and Signal Processing, Montreal, Quebec, Canada, May 2004.
PDF File (209 Kbytes)
K. M. Wong and L. M. Po,
"MPEG-7 Dominant Color Descriptor Based Relevance Feedback Using Merged Palette Histogram",
Proceeding IEEE International Conference on Acoustics, Speech, and Signal Processing, Montreal, Quebec, Canada, May 2004.
PDF File (198 Kbytes)
C. W. Lam, L. M. Po and C. H. Cheung,
"A New Cross-Diamond Search Algorithm for Fast Block Matching Motion Estimation",
Proceeding of 2003 IEEE International Conference on Neural Networks and Signal Processing,
pp. 1262-1265, Dec. 2003, Nanjing, China.
PDF File (160 Kbytes)
C. W. Ting, L. M. Po and C. H. Cheung,
"Center-Biased Frame Selection Algorithms For Fast Multi-Frame Motion Estimation in H.264",
Proceeding of 2003 IEEE International Conference on Neural Networks and Signal Processing,
pp. 1258-1261, Dec. 2003, Nanjing, China.
PDF File (103 Kbytes)
C. L. Yang, L. M. Po, C. H. Cheung and K. W. Cheung,
"A Novel Ordered-SPIHT For Embedded Color Image Coding",
Proceeding of 2003 IEEE International Conference on Neural Networks and Signal Processing,
pp. 1087-1090, Dec. 2003, Nanjing, China.
PDF File (103 Kbytes)
K. M. Wong, C. H. Cheung, T. S. Liu and L. M. Po, "Dominant Color Image Retrieval using Merged Histogram",
Proceeding of 2003 IEEE International Symposium on Circuits and Systems, Vol. 2, pp. 908-911, May 2003, Bangkok, Thailand.
PDF File (389 Kbytes)
C. H. Cheung and L. M. Po, "A Novel Histogram-biasing Factor for Fast Sorted Histogram-based Measurement in Large Image Database Retrieval System,"
Proceeding of 2003 IEEE International Conference on Acoustics, Speech, and Signal Processing, Vol.-III, pp. 601-604, April 2003, Hong Kong, China.
PDF File (388 Kbytes)
K. M. Wong, C. H. Cheung and L. M. Po, "Merged-Color Histogram for Color Image Retrieval,"
Proceeding of 2002 IEEE International Conference on Image Processing, Vol. 3, pp. 949-952, Sept. 2002, New York, USA.
PDF File (389 Kbytes)
C. H. Cheung and L. M. Po, " A Novel Block Motion Estimation Algorithm with Controllable Quality and Searching Speed",
2002 IEEE International Symposium on Circuits and Systems, vol. 2, pp. 496-499, May 2002, Scottsdale, Arizona.
PDF File (534 Kbytes)
K. W. Cheung and L. M. Po, "Lossless Wavelet Image Coding using Layered coefficient Partitioning",
2002 IEEE International Symposium on Circuits and Systems, vol. 1, pp. 789-792, May 2002, Scottsdale, Arizona.
PDF File (456 Kbytes)
K. W. Cheung and L. M. Po, "Spatial Coefficient Partitioning for Lossless Wavelet Image Coding,"
2002 IEEE International Conference on Acoustics, Speech, and Signal Processing, Vol. 4, pp. 3509-3512, May 2002, Orlando, Florida, USA.
PDF File (456 Kbytes)
C. H. Cheung and L. M. Po, "Generalized Partial Distortion Search Algorithm For Block-Matching Motion Estimation,"
2001 IEEE International Conference on Image Processing, vol. 3, pp. 510-513, Oct 2001, Greece.
PDF File (456 Kbytes)
C. H. Cheung and L. M. Po, "A Fast Block Motion Estimation Using Progressive Partial Distortion Search",
2001 International Symposium on Intelligent Multimedia, Video and Speech Processing, pp. 506-509, May 2001, Hong Kong.
K. W. Cheung and L. M. Po, "Integer Multiwavelet Transform for Lossless Image Coding",
2001 International Symposium on Intelligent Multimedia, Video and Speech Processing, pp. 117-120, May 2001, Hong Kong.
PDF File (321 Kbytes)
C. H. Cheung, L. M. Po and K. M. Wong, "Web-based Beowulf-Class Parallel Computing on Image Database Indexing and Retrieval System",
2001 International Symposium on Intelligent Multimedia, Video and Speech Processing, pp. 457-460, May 2001, Hong Kong.
C. H. Cheung and L. M. Po, "Generalized Partial Distortion Search Algorithm For Fast Block Motion Estimation,"
2001 IEEE International conference on Acoustics, Speech, and Signal Processing, vol. 3, pp. 1601-1604, May 2001, Salt Lake City, USA.
C. H. Cheung, S. W. Chiang and L. M. Po, "Lossy Lempel-Ziv Compression for Speech Coding",
The First IEEE Pacific Rim Conference on Multimedia,
University of Sydney, Australia, Dec. 2000.,
C. H. Cheung, S. W. Chiang and L. M. Po, "Predictive Lossy LZSS Algorithm for Fidelity-Constrained Image Coding",
International Forum cum Conference on Information Technology,
Bangkok, Thailand, Aug. 2000.,
J. H. Fan, S. T. Yiu, and L. M. Po, "Image Retrieval Using Parallel Algorithm on the Beowulf Class Supercomputer",
International Workshop on Multimedia Data Storage, Retrieval,
Integration and Applications, Hong Kong, Jan. 2000, pp.188-191,
L. M. Po and C. K. Cheung "A New Fast Block Motion Estimation Algorithm Using Normalized Partial Distortion Measure",
International Workshop on Multimedia Data Storage, Retrieval, Integration and Applications, Jan. 13-15, 2000 pp.34-39,
C. H. Cheung, S. Y. Wang, K. W. Cheung and L. M. Po, "Embedded Lossless Wavelet Coder using Multi-Partitioning Algorithm with Bit-Truncking",
1999 IEEE International Conference on Image Processing, vol. 4, pp. 44-47, Oct 1999,
PDF File (198 Kbytes)
K. W. Cheung, C. H. Cheung and L. M. Po, "A Novel Multiwavelet-based Integer Transform for Lossless Image Coding",
1999 IEEE International Conference on Image Processing, vol. 1, pp. 444-447, Oct 1999.
PDF File (258 Kbytes)
S. Y. Wang, C. H. Cheung, K. W. Cheung and L. M. Po, "Successive Partition Zero Coder for Embedded Lossless Wavelet-Based Image Coding",
1999 IEEE International Conference on Image Processing, vol. 4, pp. 40-43, Oct 1999.
S. Y. Wang, C. H. Cheung, K. W. Cheung and L. M. Po, "Adaptive Oriental Lossless Wavelet Coder",
TENCON'99, 15-18 Sept. 1999.
S. Y. Wang, C. H. Cheung, K. W. Cheung and L. M. Po, "Embedded Lossless Wavelet-Based Image Coding Algorithm With Successive Partition and Hybrid Bit Scanning",
IEEE 1999 International Workshop on Multimedia Signal Processing, 13-15 Sept 1999 pp.383-388.
C. H. Cheung, S. Y. Wang, K. W. Cheung and L. M. Po, "Embedded Lossless Wavelet Coder Using Multi-Partitioning Algorithm",
ISCA CATA'99, Proceedings of the ISCA 14th International Conference, ISBM:1-880843-27-7, pp.99-102, Apr. 7-9, 99.
C. H. Cheung, S. Y. Wang, K. W. Cheung and L. M. Po, " A Lossless Multi-Partitioning Successive Zero Coder for Wavelet-based Progressive Image Transmission",
1999 IEEE International Conference on Acoustics, Speech, and Signal Processing (IEEE ICASSP'99) vol.6 1999 pp.3209-3212.
K. W. Cheung, C. H. Cheung and L. M. Po, "Embedded zerotree image coding based on integer cosine transform",
Proceeding of the 1998 International Symposium on Image, Speech, Signal Processing and Robotics, vol. II, pp. 157-161, The Chinese University of Hong Kong, Hong Kong, Sep. 1998.
C. K. Cheung and L. M. Po, "A novel distortion comparison method using normalized partial distortion measure for block motion estimation",
Proceeding of the 1998 International Symposium on Image, Speech, Signal Processing and Robotics, vol. II, pp. 163-167, The Chinese University of Hong Kong, Hong Kong, Sep. 1998.
L. M. Po, Y. Zhang, K. W. Cheung and C. H. Cheung, "A novel subtree partitioning algorithm for wavelet-based fractal image coding",
Proceeding of IEEE International Conference on Acoustics, Speech and Signal Processing, vol. V, pp. 2677-2680, Seattle, Washington, USA, May. 1998.
L. M. Po, Y. Zhang, K. W. Cheung and C. H. Cheung, "Efficient subtree splitting algorithm for wavelet-based fractal image coding,"
Proceeding of IEEE International Symposium on Circuits and Systems, vol. IV, pp. 106-109, Monterey, CA, USA, May. 1998.
C. K. Cheung and L. M. Po, "Hybrid search algorithm for block motion estimation," Proceeding of IEEE International Symposium on Circuits and Systems, vol. IV, pp. 297-300, Monterey, CA, USA, May. 1998.
Y. Zhang, L. M. Po, and Y. L. Yu, "Wavelet Transform Based Variable Tree Fractal Video Coding,"
Proceeding of IEEE International Conference on Image Processing,
vol. II, pp. 294-297, Santa Barbara, CA, USA, Oct. 1997.
J. B. Xu and L. M. Po, "A New Prediction Model Search Algorithm for Fast Block Motion,"
Proceeding of IEEE International Conference on Image Processing,
vol. III, pp. 610-613, Santa Barbara, CA, USA, Oct. 1997.
C. K. Cheung and L. M. Po, "A hierarchical block motion estimation algorithm using partial distortion measure,"
Proceeding of IEEE International Conference on Image Processing,
vol. III, pp. 606-609, Santa Barbara, CA, USA, Oct. 1997.
K. W. Cheung and L. M. Po, "Preprocessing for Discrete Multiwavelet Transform of Two-dimensional Signals,"
Proceeding of IEEE International Conference on Image Processing,
vol. II, pp. 350-353, Santa Barbara, CA, USA, Oct. 1997.
C. H. Cheung, and L. M. Po, "Text-Driven Automatic Frame Generation Using MPEG-4
Synthetic/Natural Hybrid Coding for 2-D Head-and-Shoulder Scene,"
Proceeding of IEEE International Conference on Image Processing,
vol. II, pp. 69-72, Santa Barbara, CA, USA, Oct. 1997.
L. T. Leung and L. M. Po, "Low bit-rate video coding using 2-D adaptive sampling motion compensation,"
Proceeding of IEEE International Symposium on Circuits and Systems,
vol. 2, pp. 1169-1172, Hong Kong, June 1997.
C. H. Cheung, H. W. Wong and L. M. Po, "Text-driven automatic image sequence generation using facial modeling for digital TV news production system," Proceeding of IEEE International Symposium on Circuits and Systems, vol. 2, pp. 1409-1412, Hong Kong, June 1997.
K. W. Cheung and L. M. Po, "Low complexity preprocessing for 2D discrete multiwavelet transform," Proceeding of 1997 International Symposium on Circuits and Systems, vol. 1, pp. 373-380, Hong Kong, June 1997.
C. K. Cheung and L. M. Po, "
A hierarchical block matching algorithm using partial distortion measure,"
Proceeding of IEEE International Symposium on circuits and systems,
vol. II, pp. 1237-1240, Jun. 1997.
L. M. Po and C. K. Cheung, "
A new center-biased orthogonal search algorithm for fast block motion estimation,"
Proceeding of IEEE TENCON' 96, vol. 2, pp. 874-877, Nov. 1996.
C. K. Cheung and L. M. Po, "
A hybrid adaptive search algorithm for fast block motion estimation,"
Proceeding of the Fourth IEEE International Symposium on Signal Processing and its Applications,
vol. 1, pp. 365-368, Aug. 1996.
S. W. Chiang and L. M. Po, "
Lossy LZW algorithm with adaptive threshold for palettized image compression,"
Proceeding of the Fourth IEEE International Symposium on Signal Processing and its Applications,
vol. 1, pp. 144-147, Aug. 1996.
L. T. Leung and L. M. Po, "Hierarchical predictive VQ for color image compression,"
Proceeding of Fourth IEEE International Symposium on Signal Processing and its Applications, vol. 1, pp. 148-151, Gold Coast Australia, Aug. 1996.
L. M. Po, C. K. Cheung and W. C. Ma, "
A novel fast block motion estimation algorithm using center-biased search pattern"
Proceeding of IEEE International Conference on Neural Networks and Signal Processing, pp. II-1616 to II-1619, Nanjing, China, Dec. 1995.
Y. Zhang and L. M. Po, "
Fast fractal image coding using quadrant sub-block variances classification"
Proceeding of IEEE International Conference on Neural Networks and Signal Processing,
II-1540 to II-1543, Nanjing, China, December 1995.
L. T. Leung and L. M. Po,
"Variable block size predictive vector quantization for image coding,"
Proceeding of Second Asian Conference on Computer Vision ACCV'95,
pp. III-218 to III-222, Singapore, December 1995.
Y. Zhang and L. M. Po, "
Fractal image coding in multi-dimensional color space using weighted vector distortion measure"
Proceeding of Second Asian Conference on Computer Vision ACCV'95, pp. I-450 to I-453, Singapore, December 1995.
L. M. Po and W. C. Ma,
"A new center-biased search algorithm for block motion estimation,"
Proceeding of IEEE International Conference on Image Processing, Washington, D.C., U.S.A.,
October 1995.
Y. Zhang and L. M. Po, "
Fractal color image compression using vector distortion measure,"
Proceeding of IEEE International Conference on Image Processing, Washington, III-276 to III-279, D.C., U.S.A., October 1995.
L. M. Po, W. T. Tan, and C. H. Chan, "Address predictive color quantization
image compression for multimedia applications," Proceeding of IEEE
International Conference on Acoustics, Speech and Signal Processing, Adelaide,
South Australia, April 1994.
L. M. Po, C. K. Chan and W. H. Lau,
"A low complexity dimensionality selection method for subspace image vector quantization,"
Proceeding of Asian Conference on Computer Vision,
pp. 117-120, Osaka, Japan, November ,1993
L. M. Po, C. K. Chan and W. H. Lau, "Dimensionality selection of subspace vector
quantization based on intraset distortions error," Proceeding IEEE Workshop on
Visual Signal Processing and Communication, Melbourne, Australia, Sept. 1993
L. M. Po, "Multi-subspace tree-structured vector quantizer design algorithms,"
Proceeding of International Conference on Acoustics, Speech and Signal Processing,
vol. 5, pp. V-257 to V260, Minneapolis, U.S.A., April 1993.
L. M. Po, "Lenna 97: A Complete Story of Lenna", CityU Image Processing Lab, Department of Electronic Engineering, City University of Hong Kong, July, 1998.
Online version
Recent Publications (Dr. Lai-Man Po)