Resume of Career:

Prof. Ngan received his B.Sc. (Hons) and Ph.D. degrees, both in Electrical Engineering from Loughborough University, U.K., in 1978 and 1982, respectively.  He joined the Department of Electronic Engineering, the Chinese University of Hong Kong as Chair Professor in 2003.  Previously he was a Professor at the School of Computer Engineering, Nanyang Technological University, Singapore, and the School of Electrical, Electronic and Computer Engineering, University of Western Australia, Australia.  He was appointed as Adjunct/Visiting Professor of Zhejiang University, Shanghai Jiaotong University, Shanghai University, Huazhong University of Science and Technology and Huaqiao University in China, Distinguished Adjunct Professor of the National Sun Yat-sen University in Taiwan, and Adjunct Professor of the University of Western Australia in Australia. He was also the External Examiner for the B.Eng. degree program of Malaysia's Multimedia University. Recently, he has been appointed as IEEE Distinguished Lecturer of the Circuits and Systems Society.

Prof. Ngan is active in many professional activities.  He is an associate editor of the Journal on Visual Communications and Image Representation, U.S.A., and an area editor of EURASIP Journal of Image Communications, and served as an associate editor of IEEE Transactions on Circuits and Systems for Video Technology and Journal of Applied Signal Processing.  He chaired a number of prestigious international conferences on video signal processing and communications and served on the advisory and technical committees of numerous professional organizations.  He will co-chair the IEEE International Conference on Image Processing (ICIP) in 2010 in Hong Kong. He has published extensively including 3 authored books, and over 200 refereed technical papers in the areas of visual signal processing, image/video coding and multimedia communications, which are his main research interests. He also holds 4 patents on image transmission techniques.

Current Research Interests:

Video coding and communications, digital image processing, digital signal processing, computer communications, telecommunication networks.

Authored Books:

Top-cited Publications:

Second most cited paper in IEEE Transactions on Circuits and Systems on Video Technology in 1999.

D. Chai and K.N. Ngan, “Face segmentation using skin color map in videophone applications,” IEEE Transactions on Circuits and Systems for Video Technology, U.S.A., vol. 9, no. 4, June 1999, pp. 551-564.

Fourth most cited paper in IEEE Transactions on Circuits and Systems on Video Technology in 1998.

(Invited paper) T. Meier and K.N. Ngan, “Automatic segmentation of moving objects for video objects plane generation,” IEEE Transactions on Circuits and Systems for Video Technology, U.S.A., vol. 8, no. 5, September 1998, pp. 525-538.

Recent Publications:

1. J. Han, K.N. Ngan, M. Li and H. Zhang, “Unsupervised extraction of visual attention objects in color images,” IEEE Transactions on Circuits and Systems for Video Technology, U.S.A., vol. 16, no. 1, January 2006, pp. 141-145.
2. Y. Liu and K.N. Ngan, “Embedded wavelet packet object-based image coding based on context classification and quadtree ordering,” Signal Processing: Image Communication, Europe, vol. 21, no. 2, February 2006, pp. 143-155.
3. W. Yang and K.N. Ngan, “MPEG-4 based stereoscopic video encoder using joint disparity/motion estimation,” IEEE Transactions on Circuits and Systems for Video Technology, U.S.A., vol. 16, no. 2, February 2006, pp. 286-290.
4. Andy C. Yu, K.N. Ngan, Graham R. Martin, “Efficient Intra- and Inter-mode Selection Algorithms for H.264/ MPEG-4 AVC,” Journal of Visual Communications and Image Representation, Academic Press, U.S.A., vol. 17, no. 2, April 2006, pp. 322-344.
5. Z. Chen and K.N. Ngan, “Distortion variation minimization in real time video coding,” Signal Processing: Image Communication, Europe, vol. 21, no. 4, April 2006, pp. 273-279.
6. D. Tao, J. Cai, H. Yi, D. Rajan, L.-T. Chia, K.N. Ngan, “Dynamic Programming Based Reverse Frame Selection for VBR Video Delivery under Constrained Resources,” IEEE Transactions on Circuits and Systems for Video Technology, U.S.A., vol. 16, no. 11, November 2006, pp. 1362-1375.
7. W. Yang, Y. Lu, F. Wu, J. Cai, K.N. Ngan and S. Li, “4D wavelet-based multi-view video coding,” IEEE Transactions on Circuits and Systems for Video Technology, U.S.A., vol. 16, no. 11, November 2006, pp. 1385-1396.
8. Z. Chen, J. Han and K.N. Ngan, “Dynamic Bit Allocation for Multiple Video Object Coding,” IEEE Transactions on Multimedia, U.S.A., vol. 8, no. 6, December 2006, pp. 1117-1124.
9. H. Li and K.N. Ngan, “Automatic Video Segmentation and Tracking for Content-based Multimedia Services”, IEEE Communications Magazine, U.S.A., vol. 45, no. 1, January 2007, pp. 27-33.
10. Z. Chen and K.N. Ngan, “Recent advances in rate control for video coding,” Signal Processing: Image Communications, Europe, vol. 22, no. 1, January 2007, pp. 19-38.
11. Z. Chen and K.N. Ngan, “Towards rate-distortion tradeoff in real-time color video coding,” IEEE Transactions on Circuits and Systems for Video Technology, U.S.A., vol. 17, no. 2, February 2007, pp. 158-167.
12. Y. Liu, F. Wu and K.N. Ngan, “3-D Object-Based Scalable Wavelet Video Coding With Boundary Effect Suppression,” IEEE Transactions on Circuits and Systems for Video Technology, U.S.A., vol. 17, no. 5, May 2007, pp. 639-644.
13. Y. Liu and K.N. Ngan, “Fast multiresolution motion estimation algorithms for wavelet-based scalable video coding,” Signal Processing: Image Communications, Europe, vol. 22, no. 5, June 2007, pp. 448-465.
14. Z. Chen and K.N. Ngan, “A Unified Approach of Bit Rate Control for Binary and Gray Level Shape Sequences Coding,” IEEE Transactions on Circuits and Systems for Video Technology, U.S.A., vol. 17, no. 7, July 2007, pp. 823-832.
15. Z. Chen and K.N. Ngan, “A rate and distortion analysis of multiscale binary shape coding based on statistical learning,” IEEE Transactions on Multimedia, U.S.A., vol. 9, no. 5, August 2007, pp. 987-994.
16. C.H. Foh, Y. Zhang, Z. Ni, J.Cai, and K.N. Ngan, “Optimized Cross-Layer Design for Scalable Video Transmission over the IEEE 802.11e Networks,” IEEE Transactions on Circuits and Systems for Video Technology, U.S.A., vol. 17, no. 12, December 2007, pp. 1665-1678.
17. H. Li and K.N. Ngan, “Unsupervised video segmentation with low depth of field,” IEEE Transactions on Circuits and Systems for Video Technology, U.S.A., vol. 17, no. 12, December 2007, pp. 1742-1751.
18. D. Gao, J. Cai, C.T. Lau, K.N. Ngan, “Improving WLAN VoIP Capacity through Service Differentiation,” IEEE Transactions on Vehicular Technology, U.S.A., vol. 57, no. 1, January 2008, pp. 465-474.
19. Y. Liu and K.N. Ngan, “Weighted Adaptive Lifting-based Wavelet Transform for Image Coding,” IEEE Transactions on Image Processing, U.S.A., vol. 17, no. 4, April 2008, pp. 500-511.
20. H. Li, K.N. Ngan and Z. Wei, “Fast and Efficient Method for Block Edge Classification and Its Application in H.264/AVC Video Coding,” IEEE Transactions on Circuits and Systems for Video Technology, U.S.A., vol. 18, no. 6, June 2008, pp. 756-768.
21. H. Li and K.N. Ngan, “Saliency Model based Face Segmentation and Tracking in Head-and-Shoulder Video Sequences,” Journal of Visual Communications and Image Representation, Europe, vol. 19, no. 5, July 2008, pp. 320-333.
22. Y. Liu, K.N. Ngan and F. Wu, “3-D Shape-Adaptive Directional Wavelet Transform for Object-Based Scalable Video Coding,” IEEE Transactions on Circuits and Systems for Video Technology, U.S.A., vol. 18, no. 7, July 2008, pp. 888-899.

For a full list of publications, click here.