Chi Man PUN  潘治文
Associate Professor
Head of Department of Computer and Information Science

Academic Qualifications | Working Experience | Teaching | Research | Awards | Patents | Selected Publications | Professional Affiliations | Contact Details

Academic Qualifications
Working Experience


Teaching

B.Sc. Courses

  1. Digital Image Processing (CISC3011)
  2. Pattern Recognition (CISC3024)

M.Sc. Courses

  1. Advanced Topics in Computer Science II (CISC7016)
  2. Advances in Pattern Recognition (CISC7018)

Research

Research Interests

Recent Research Projects

External Grants
  1. Efficient Searching Methods for Multimedia Tampering Detection, funded by the Macau Science and Technology Fund, FDCT 041/2017/A1, Principal Investigator, 2017-2020, on-going.
  2. Feature Based Approaches for Multimedia Security and Watermarking, funded by the Macau Science and Technology Fund, FDCT 093/2014/A2, Principal Investigator, 2015-2018, completed.
  3. Research and Application in Object Tracking and Recognition, funded by the Macau Science and Technology Fund, FDCT 008/2013/A1, Principal Investigator, 2013-2016, completed.
  4. Robust and Geometric Invariant Digital Image Watermarking, funded by the Macau Science and Technology Fund, FDCT 034/2010/A2, Principal Investigator, 2011-2014, completed.
Internal Grants
  1. Research and Applications of Digital Image Forensics and Security, funded by the Research Committee of University of Macau, MYRG2018-00035-FST, Principal Investigator, 2019-2021, on-going.
  2. Research and Applications on Digital Forgery Detection and Information Forensics, funded by the Research Committee of University of Macau, MYRG2015-00011-FST, Principal Investigator, 2015-2018, completed.
  3. Multimedia Feature Analysis and Retrieval, funded by the Research Committee of University of Macau, MYRG2015-00012-FST, Principal Investigator, 2015-2018, completed.
  4. Digital Watermarking Using Feature-Based and Adaptive Approaches for Multimedia Data, funded by the Research Committee of University of Macau, MYRG134(Y1-L2)-FST11-PCM, Principal Investigator, 2011-2015, completed.
  5. Gesture and Pattern Recognition Using Machine Learning Approaches, funded by the Research Committee of University of Macau, MYRG181(Y1-L3)-FST11-PCM, Principal Investigator, 2011-2015, completed.

Awards
  1. Champion, IEEE Project Competition 2017, Macau, June 2017
  2. Gold Prize,  Pan-Pearl Delta Region Universities IT Project Competition (二○一五泛珠三角大學生計算機作品賽總決賽), Macau, July 2015
  3. Third Prize of Natural Science Award of the Macao Science and Technology Awards  澳門科學技術獎自然科學獎三等獎(第一完成人), Macau, 2014

Patents
  1. C.-M. Pun, and C.-P. Yan, “Image Alignment based Multi-Region Matching for Object-level Tampering Detection,” US Patent, Filed no. 62/484,115, 17 April 2017.
  2. C.-M. Pun, and C. Lin, “A Real-time Detector for Parked Vehicles Based on Hybrid Background Modeling,” US Patent, Filed no. 15/364838, 30 Nov 2016.
  3. C.-M. Pun, K.-C. Choi and C. L. Philip Chen, “Reversible Audio Data Hiding,” US Patent, Granted, US9396733, July 19, 2016.

Selected Publications

Refereed SCI Journal Papers

  1. C.-M. Pun and J.-L. Chung, “A two-stage localization for copy-move forgery detection,” Information Sciences, 463, pp. 33-55, 2018
  2. Z.-L. Liu and C.-M. Pun, “Reversible data-hiding in encrypted images by redundant space transfer,” Information Sciences, 433, pp. 188-203, 2018.
  3. H. Gao, Y. Shi, C.-M. Pun and S. Kwong, “An Improved Artificial Bee Colony Algorithm with its Application to Metallographic Image Segmentation,” IEEE Transactions on Industrial Informatics, pp. 1-13, 2018.
  4. G. Huang and C.-M. Pun, “On-line video multi-object segmentation based on skeleton model and occlusion detection,” Multimedia Tools and Applications, pp. 1-17, 2018.
  5. D. Wu, C.-M. Pun, B. Xu, H. Gao and Z. Wu, “Vehicle power train optimization using multi-objective bird swarm algorithm,” Multimedia Tools and Applications, pp. 1-12, 2018.
  6. H. Gao, H. Li, Y. Liu, H. Lu, H. Kim and C.-M. Pun, “High-quality-guided artificial bee colony algorithm for designing loudspeaker,” Neural Computing and Applications, pp. 1-8, 2018.
  7. Z. Fu, C.-M. Pun and H. Gao, “Endmember extraction of hyperspectral remote sensing images based on an improved discrete artificial bee colony algorithm and genetic algorithm,” Mobile networks & applications, pp. 1-9, 2018.
  8. B. Liu and C.-M. Pun, “Locating splicing forgery by fully convolutional networks and conditional random field,” Signal Processing: Image Communication, pp. 1-10, 2018.
  9. C. Shi and C.-M. Pun, “Superpixel-based 3D deep neural networks for hyperspectral image classification. Pattern Recognition, 74, pp. 600-616, 2018.
  10. C. Shi and C.-M. Pun, “Multi-scale hierarchical recurrent neural networks for hyperspectral image classification,” Neurocomputing, 294, pp. 82-93, 2018.
  11. X. Cun, C.-M. Pun and H. Gao, “Applying stochastic second-order entropy images to multi-modal image registration,” Signal Processing: Image Communication, 65, pp. 201-209, 2018.
  12. X.-L. Bi and C.-M. Pun, “Fast Copy-Move Forgery Detection Using Local Bidirectional Coherency Error Refinement,” Pattern Recognition, 81, pp. 161-175, 2018.
  13. J. Xie, C.-M. Pun, Z. Pan, H. Gao, and B. Wang, “Automatic Medical Image Registration Based on an Integrated Method Combining Feature and Area Information,” Neural Processing Letters, 47, pp. 1-12, 2018.
  14. J. Du, C. M. Vong, C.-M. Pun, P. K.Wong and W. F. Ip, “Post-boosting of classification boundary for imbalanced data using geometric mean,” Neural Networks, 96, pp. 101-114, 2017.
  15. H. Gao, Z. Fu, C.-M. Pun, H. Hu and R. Lan, “A multi-level thresholding image segmentation based on an improved artificial bee colony algorithm,” Computers & Electrical Engineering, pp. 1-8, 2017.
  16. C.-M. Pun, C.-P. Yan and X.-C. Yuan, “Robust image hashing using progressive feature selection for tampering detection,” Multimedia Tools and Applications, pp. 1-25, 2017.
  17. P. Qin and C.-M. Pun, “Object tracking using distribution fields with correlation coefficients,” Multimedia Tools and Applications, pp. 1-24, 2017.
  18. X.-L. Bi and C.-M. Pun, “Fast Reflective Offset-Guided Searching Method for Copy-Move Forgery Detection,” Information Sciences, 418. pp. 531-545, 2017.
  19. C. Shi and C.-M. Pun, “3D multi-resolution wavelet convolutional neural networks for hyperspectral image classification,” Information Sciences, 420, pp. 49-65, 2017.
  20. C.-P. Yan and C.-M. Pun, “Multi-Scale Difference Map Fusion for Tamper Localization Using Binary Ranking Hashing,” IEEE Transactions on Information Forensics and Security, 12(9), pp. 2144 - 2158, 2017
  21. Q. Guo, W. Feng, C. Zhou, C.-M. Pun and B. Wu, “Structure-Regularized Compressive Tracking with Online Data-Driven Sampling,” IEEE Transactions on Image Processing, 26 (12), pp. 5692-5705, 2017
  22. C.-M. Pun, C.-P. Yan and X.-C. Yuan, “Image Alignment based Multi-Region Matching for Object-level Tampering Detection,” IEEE Transactions on Information Forensics and Security, 12(2), pp. 377-391 2017
  23. L. Liu, L. Chen, CL Philip Chen, YY Tang and C.-M. Pun, “Weighted Joint Sparse Representation for Removing Mixed Noise in Image,” IEEE Transactions on Cybernetics, 47(3), pp. 600 – 611, 2017. 
  24. C. Lin, C.-M. Pun and G. Huang, “Highly non-rigid video object tracking using segment-based object candidates,” Multimedia Tools and Applications, 76(7), pp. 9565–9586, 2017
  25. C. Lin, C.-M. Pun, C.-M. Vong and D. Adjeroh, “Efficient shape classification using region descriptors,” Multimedia Tools and Applications, 76(1), pp. 83–102, 2017.
  26. G. Huang, C.-M. Pun, and C. Lin, “Unsupervised video co-segmentation based on superpixel co-saliency and region merging,” Multimedia Tools and Applications, 76(10), pp. 12941–12964, 2017
  27. C.-P. Yan, C.-M. Pun and X.-C. Yuan, “Quaternion-based Image Hashing for Adaptive Tampering Localization,” IEEE Transactions on Information Forensics and Security, 11(12), pp.2664-2677, 2016
  28. H. Gao, C.-M. Pun and S. Kwong, “An efficient image segmentation method based on a hybrid particle swarm algorithm with learning strategy,” Information Sciences, vol. 369, pp. 500-521, 2016
  29. Y. Shi, C.-M. Pun, H. Hu, H. Gao, “An Improved Artificial Bee Colony and Its Application,” Knowledge-Based Systems, vol. 107, pp.14-31, 2016
  30. C.-M. Pun and G. Huang, “On-line video object segmentation using illumination-invariant color-texture feature extraction and marker prediction,” Journal of Visual Communication and Image Representation, vol. 41, pp. 391–405, 2016 
  31. K.-C. Choi and C.-M. Pun, “Robust lossless digital watermarking using integer transform with Bit plane manipulation,” Multimedia Tools and Applications, 75(11), pp. 6621–6645, 2016 
  32. X.-L. Bi, C.-M. Pun and X.-C. Yuan, “Multi-Scale Feature Extraction and Adaptive Matching for Copy-Move Forgery Detection,” Multimedia Tools and Applications, pp. 1–23, 2016 
  33. C.-M. Pun and C. Lin, “A real-time detector for parked vehicles based on hybrid background modeling,” Journal of Visual Communication and Image Representation, vol. 39, pp. 82-92, 2016 
  34. X.-L. Bi, C.-M. Pun and X.-C. Yuan, “Multi-Level Dense Descriptor and Hierarchical Feature Matching for Copy–Move Forgery Detection,” Information Sciences, vol. 345, pp. 226-242, 2016 
  35. C.-M. Pun, B. Liu and X.-C. Yuan, “Multi-scale noise estimation for image splicing forgery detection,” Journal of Visual Communication and Image Representation, vol. 38, pp. 195-206, 2016 
  36. G. Huang, C.-M. Pun, C. Lin, and Y. Zhou, “Non-rigid Visual Object Tracking Using User-Defined Marker and Gaussian Kernel,” Multimedia Tools and Applications, 75(10), pp 5473-5492, 2016 
  37. C.-P. Yan, C.-M. Pun and X.-C. Yuan, “Multi-scale image hashing using adaptive local feature extraction for robust tampering detection,” Signal Processing, vol. 121, pp. 1-16, 2016
  38. C.-M. Pun, X.-C. Yuan and X.-L. Bi, “Image Forgery Detection Using Adaptive Over-Segmentation and Feature Points Matching,” IEEE Transactions on Information Forensics and Security, 10(8), pp.1705-1716, 2015 
  39. X.-C. Yuan, C.-M. Pun and C. L. Philip Chen, “Robust Mel-Frequency Cepstral Coefficients Feature Detection and Dual-Tree Complex Wavelet Transform for Digital Audio Watermarking,” Information Sciences, vol. 298, pp. 159-179, 2015. 
  40. Z. Hua, Y. Zhou, C.-M. Pun and C. L. Philip Chen, “2D Sine Logistic Modulation Map for Image Encryption,” Information Sciences, vol. 297, pp. 80-94, 2015. 
  41. C.-M. Pun and X.-C. Yuan, “Histogram modification based image watermarking resistant to geometric distortions,” Multimedia Tools and Applications, 74(18), pp 7821-7842, 2015.  
  42. Y. Zhou, Z. Hua, C.-M. Pun and C. L. Philip Chen, “Cascade Chaotic System with Applications,” IEEE Transactions on Cybernetics, 45(9), pp.2001-2012, 2015.
  43. C.-M. Vong, K.-I. Tai, C.-M. Pun and P.-K. Wong, “Fast and Accurate Face Detection by Sparse Bayesian Extreme Learning Machine,” Neural Computing and Applications, 26(5), pp 1149-1156, 2015. 
  44. K.-C. Choi, C.-M. Pun and C. L. Philip Chen, “Application of a Generalized Difference Expansion Based Reversible Audio Data Hiding Algorithm,” Multimedia Tools and Applications, 74(6), pp 1961-1982, 2015.  
  45. C.-M. Pun and K.-C. Choi, “Generalized integer transform based reversible watermarking algorithm using efficient location map encoding and adaptive thresholding,” Computing, 96(10), pp.951-973, 2014. 
  46. N.-Y. An and C.-M. Pun, “Color Image Segmentation Using Adaptive Color Quantization and Multiresolution Texture Charaterziation," Signal Image and Video Processing, 8(5), pp. 943-954, 2014.  
  47. M. Cheng, C.-M. Pun and Y. Y. Tang, " Nonnegative Class-Specific Entropy Component Analysis With Adaptive Step Search Criterion," Pattern Analysis and Applications, 17(1), pp.113-127, 2014.  
  48. X.-C. Yuan, and C.-M. Pun, “Feature extraction and local Zernike moments based geometric invariant watermarking,” Multimedia Tools and Applications, 72(1), pp 777-799, 2014.  
  49. H.-M. Zhu and C.-M. Pun, “An Adaptive Superpixel Based Hand Gesture Tracking and Recognition System,” The Scientific World Journal, Volume 2014 (2014), Article ID 849069, 12 pages, 2014. 
  50. B. Liu, C.-M. Pun and X.-C. Yuan, “Digital Image Forgery Detection Using JPEG Features and Local Noise Discrepancies,” The Scientific World Journal, Volume 2014 (2014), Article ID 230425, 12 pages, 2014. 
  51. C.-M. Pun and X.-C. Yuan, “Robust Segments Detector for De-Synchronization Resilient Audio Watermarking,” IEEE Transactions on Audio, Speech, and Language Processing, 21(11), pp. 2412 – 2424, 2013. 
  52. W. Feng, Z.-Q. Liu, L. Wan, C.-M. Pun and J. Jiang, “A spectral-multiplicity-tolerant approach to robust graph matching,” Pattern Recognition, 46(10), pp. 2819–2829, 2013  
  53. D. Liu, M.-C. Lee, C.-M. Pun and H. Liu, “Analysis of Wireless Localization in Nonline-of-Sight Conditions,” IEEE Transactions on Vehicular Technology, 62(4), pp. 1484 – 1492, 2013  
  54. X.-C. Yuan, C.-M. Pun and C. L. Philip Chen, “Geometric invariant watermarking by local Zernike moments of binary image patches,” Signal Processing, 93(7), pp. 2087–2095, 2013 
  55. C.-M. Pun, N.-Y. An and C. L. Philip Chen, “Region-based Image Segmentation by Watershed Partition and DCT Energy Compaction," International Journal of Computational Intelligence Systems, 5(1), pp. 55-66, 2012.   
  56. C.-M. Pun, J.-J. Jiang and M.-C. Lee, “Robust and Self-Synchronized Audio Watermarking by Invariant Feature Points," Information, 15(2), pp. 815-830, 2012. 
  57. M. Cheng, B. Fang, C.-M. Pun and Y. Y. Tang, “Kernel-view based discriminant approach for embedded feature extraction in high-dimensional space," Neurocomputing, 74(9), pp. 1478-1484, 2011.  
  58. C.-M. Pun and W.-Y. Ho, “An Edge-Based Macao License Plate Recognition System," International Journal of Computational Intelligence Systems, 4(2), pp. 244 - 254, 2011.  
  59. C.-M. Pun, H-M Zhu and W. Feng, " Real-Time Hand Gesture Recognition using Motion Tracking," International Journal of Computational Intelligence Systems, 4(2), pp. 277 - 286, 2011. 
  60. S. Li, M.-C. Lee and C.-M. Pun, "Complex Zernike Moments Features for Shape-Based Image Retrieval," IEEE Transactions on System, Man and Cybernetics, Part A, 30(1), pp. 227-237, 2009. 
  61. C.-M. Pun and M.-C. Lee, “Extraction of Shift Invariant Wavelet Features for Classification of Images with Different Sizes," IEEE Transactions on Pattern Analysis and Machine Intelligence, vol. 26, no. 9, pp. 1228-1233, Sept. 2004. 
  62.  C.-M. Pun, "Efficient and Adaptive Rotation Invariant Wavelet Transform," International Journal of Wavelets, Multiresolution and Information, vol. 1, no 3, pp.353-372, Sept. 2003.  
  63. C.-M. Pun and M.-C. Lee, "Log-Polar Wavelet Energy Signatures for Rotation and Scale Invariant Texture Classification," IEEE Transactions on Pattern Analysis and Machine Intelligence, vol. 25, no. 5, pp. 590-603, May 2003. 
  64. C.-M. Pun, "Rotation Invariant Texture Feature for Image Retrieval," Computer Vision and Image Understanding, vol. 89, no. 1, pp. 24-43, Jan. 2003. 
  65. M.-C. Lee and C.-M. Pun, "Rotation and Scale Invariant Wavelet Feature for Content-Based Texture Image Retrieval," Journal of American Society for Information Science and Technology, vol. 54, no. 1, pp. 68-80, Jan. 2003. 
  66. C.-M. Pun and M.-C. Lee, "Rotation-Invariant Texture Classification Using a Two-Stage Wavelet Packet Feature Approach," IEE Proceedings: Vision, Image and Signal Processing, vol. 148, no. 6, pp. 422-428, Dec. 2001.

Refereed Conference Papers

  1. Z. Jiang and C.-M. Pun, “Reversible Image Watermarking Using Prediction Value Computation with Gradient Analysis,” Proceedings of the 25th ACM Conference on Computer and Communications Security (CCS) Workshops, 2018.
  2. X. Cun and C.-M. Pun, “Image Splicing Localization via Semi-Global Network and Fully Connected Conditional Random Fields,” Proceedings of European Conference on Computer Vision (ECCV) Workshops, 2018.
  3. B. Liu and C.-M. Pun, “Deep Fusion Network for Splicing Forgery Localization,” Proceedings of European Conference on Computer Vision (ECCV) Workshops, 2018.
  4. X. Cun, F. Xu, C.-M. Pun and H. Gao, “Depth Assisted Full Resolution Network for Single Image-Based View Synthesis,” Proceedings of ACM SIGGRAPH, 2018.
  5. C. Shi and C.-M. Pun, “Perceptual Loss for Superpixel-Level Multispectral and Panchromatic Image Classification,” IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), 2018.
  6. C.-P. Yan and C.-M. Pun, “Segmentation-based Image Hash for Precise Tamper Localization,” Proceedings of the World Congress on Internet Security, 2017.
  7. C.-M. Pun, C.-P. Yan and X.-C. Yuan, “Image Alignment-Based Multi-Region Matching for Object-Level Tampering Detection,” 9th IEEE International Workshop on Information Forensics and Security (WIFS), 2017.
  8. C.-P. Yan, C.-M. Pun and X.-C. Yuan, “Quaternion-Based Image Hashing for Adaptive Tampering Localization,” 9th IEEE International Workshop on Information Forensics and Security (WIFS), 2017.
  9. Y. Qin, C.-M. Pun, H. Hu, H. Gao, “Logistic Quantum-behaved Particle Swarm Optimization Based MPPT for PV Systems,” Proceedings of the Seventh International Conference on Information Science and Technology (ICIST), 2017.
  10. I.T. Choi, C.C. Leong, K.W. Hong and C.-M. Pun, “Indoor Navigation by Image Recognition,” Proceedings of the 9th International Conference on Digital Image Processing, 2017.
  11. B. Liu and C.-M. Pun, “Multi-object Splicing Forgery Detection Using Noise Level Difference,” Proceedings of the IEEE Conference on Dependable and Secure Computing (DSC), 2017.
  12. G. Huang and C.-M. Pun, “Robust Video Co-Segmentation Based on Co-saliency of Superpixels,” Proceedings of the 14th International Conference Computer Graphics, Imaging and Visualization, 2017.
  13. K.-C. Choi and C.-M. Pun, “Adaptive Image Encryption for High Capacity Reversible Data Hiding,” Proceedings of the IEEE Conference on Dependable and Secure Computing (DSC), 2017.
  14. X.-L. Bi, C.-M. Pun and X.-C. Yuan, “Adaptive Polar based Filtering Method for Copy-Move Forgery Detection,” Proceedings of the 15th IEEE International Conference on Trust, Security and Privacy in Computing and Communications (TrustCom), 2016.
  15. C. Lin and C.-M. Pun, “Robust Region Descriptors for Shape Classification,” Proceedings of the 13th International Conference Computer Graphics, Imaging and Visualization, 2016.
  16. K.-C. Choi and C.-M. Pun, “Difference Expansion Based Robust Reversible Watermarking with Region Filtering,” Proceedings of the 13th International Conference Computer Graphics, Imaging and Visualization, 2016.
  17. C.-P. Yan, C.-M. Pun and X.-C. Yuan, “Adaptive local feature based multi-scale image hashing for robust tampering detection,” Proceedings of the TENCON, 2015.
  18. G. Huang, C.-M. Pun and C. Lin, “Video Object Tracking Using Interactive Segmentation and Superpixel Based Gaussian Kernel,” Proceedings of the 12th International Conference Computer Graphics, Imaging and Visualization, 2015.
  19. X.-L. Bi, C.-M. Pun and X.-C. Yuan, “Over-Segmentation Based Image Forgery Detection,” Proceedings of the International Conference on Electronic Science and Automation Control (ESAC), 2015.
  20. X. Nie, W. Feng, L. Wan, H. Dai, C.-M. Pun, “Intrinsic Image Decomposition by Hierarchical L0 Sparsity,” Proceedings of the IEEE International Conference on Multimedia and Expo (ICME), 2014.
  21. S. Zhang, W. Feng, J. Zhang, C.-M. Pun, “Bag of Squares: A Reliable Model of Measuring Superpixel Similarity,” Proceedings of the IEEE International Conference on Multimedia and Expo (ICME), 2014.
  22. S. Yi, Y. Zhou, C.-M. Pun and C. L. Philip Chen, "A New Reversible Data Hiding Algorithm in the Encryption Domain," 2014 IEEE International Conference on Systems, Man and Cybernetics (SMC), 2014.
  23. Z. Hua, Y. Zhou, C.-M. Pun and C. L. Philip Chen, "Image encryption using 2D logistic-sine chaotic map," 2014 IEEE International Conference on Systems, Man and Cybernetics (SMC), 2014.
  24. Z. Hua, Y. Zhou, C.-M. Pun, and CLP Chen, “A new 1D parameter-control chaotic framework,” Proceedings of the IS&T/SPIE Electronic Imaging, 2014.
  25. S. Yi, Y. Zhou, C.-M. Pun, and CLP Chen, “A new collage steganographic algorithm using cartoon design,” Proceedings of the IS&T/SPIE Electronic Imaging, 2014.
  26. X.-C. Yuan and C.-M. Pun, “Feature Based Video Watermarking Resistant to Geometric Distortions,” Proceedings of the 12th IEEE International Conference on Trust, Security and Privacy in Computing and Communications (TrustCom), 2013.
  27. Z. Tan, L. Wan, W. Feng, and C.-M. Pun, “Image Co-Saliency Detection By Propagating Superpixel Affinities,” Proceedings of the 38th IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), 2013
  28. B. Liu and C.-M. Pun, “A SIFT and Local Features Based Integrated Method for Copy-Move Attack Detection in Digital Image,” Proceedings of the 2013 IEEE International Conference on Information and Automation, 2013.
  29.  H.-M. Zhu and C.-M. Pun, “Human Action Recognition with Skeletal Information from Depth Camera,” Proceedings of the 2013 IEEE International Conference on Information and Automation, 2013. 
  30. Ng, P., and C.-M. Pun, “ Skin Segmentation Based on Human Face Illumination Feature,” Proceedings of the 2012 IEEE/WIC/ACM International Conferences on Web Intelligence and Intelligent Agent Technology, 2012
  31. H.-M. Zhu and C.-M. Pun," Hand Gesture Recognition with Motion Tracking on Spatial-Temporal Filtering," Proceedings of the ACM SIGGRAPH Conference on Virtual-Reality Continuum and its Applications to Industry (VRCAI), 2011.
  32. C.-M. Pun, X.-C. Yuan and Philip C. L. Chen, " Geometric Invariant Digital Image Watermarking Scheme Based on Feature Points Detector and Histogram Distribution," Proceedings of the 10th IEEE International Conference on Trust, Security and Privacy in Computing and Communications (TrustCom), 2011.
  33. C.-M. Pun, J.-J. Jiang and Philip C. L. Chen, " Adaptive Client-Side LUT-Based Digital Watermarking," Proceedings of the 10th IEEE International Conference on Trust, Security and Privacy in Computing and Communications (TrustCom), 2011.
  34. W.-L. Chan and C.-M. Pun," Robust Character Recognition Using Connected-Component Extraction,” Proceedings of the Seventh International Conference on Intelligent Information Hiding and Multimedia Signal Processing, 2011.
  35. H.-C. Tsang, M.-C. Lee and C.-M. Pun, " A robust anti-tamper protection scheme," Proceedings of the 6th International Conference on Availability, Reliability and Security (ARES), 2011.
  36. C.-M. Pun and C. Lin, " Geometric Invariant Shape Classification using Hidden Markov Model," Proceedings of the International Conference on Digital Image Computing: Techniques and Applications (DICTA), 2010.
  37. H.-M. Zhu and C.-M. Pun," Movement Tracking in Real-time Hand Gesture Recognition," Proceedings of the 9th IEEE/ACIS International Conference on Computer and Information Science (ICIS), 2010.
  38. C.-M. Pun and N.-Y. An, “Image Segmentation Using an Improved Watershed Transform," Proceedings of the International Conference on Image, Signal and Vision Computing, 2010.
  39. W.-Y. Ho and C.-M. Pun, "A Macao License Plate Recognition System Based on Edge and Projection Analysis," Proceedings of the 8th IEEE International Conference on Industrial Informatics, 2010.
  40. I.-T. Lam and C.-M. Pun," Embedding Biometric Watermark on Document Image using Discrete Wavelet Transform," Proceedings of the IEEE International Conference on Information and Automation, 2009.
  41. W. Yao and C.-M. Pun," Invariant Shape Representation by Radon and Wavelet Transforms for Complex Inner Shapes," Proceedings of the IEEE International Conference on Information and Automation, 2009.
  42. W.-L. Yao and C.-M. Pun," A Hybrid Macau License Plate Localization Scheme Based on Vertical Edge Analysis," Proceedings of the International Conference of Machine Learning and Cybernetics, 2009.
  43. C.-M. Pun and C.-F. Wong ,"Image Retrieval Using a Novel Color Quantization Approach," Proceedings of the 9th International Conference on Signal Processing, 2008.
  44. C.-P. Tou, C.-M. Pun and D. Lin,"A Quantization Watermarking Scheme Based on Perceptual Invisibility," Proceedings of the 9th International Conference on Signal Processing, 2008.
  45. C.-M. Pun and I.-K. Kong, "Digital Image Watermarking by Adaptive Quantization of Wavelet Packet Coefficients," Proceedings of the 15th International Conference on Systems, Signals and Image Processing, 2008.
  46. I.-K. Kong and C.-M. Pun, "Digital Image Watermarking with Blind Detection for Copyright Verification," Proceedings of the 2008 International Congress on Image and Signal Processing, 2008.
  47. C.-M. Pun , "Image Classification Using Wavelet Watermarking Representation," Proceedings of the Sixth International Conference of Machine Learning and Cybernetics, 2007.
  48. C.-M. Pun, "Invariant Content-Based Image Retrieval by Wavelet Energy Signatures," Invited paper in the Proceedings of the IEEE International Conference on Multimedia and Expo (ICME), 2003.
  49. C.-M. Pun, "Polar-Wavelet Energy Signatures For Rotation-Invariant Texture Classification," Proceedings of the IEE International Conference on Visual Information Engineering 2003.
  50. C.-M. Pun, "Invariant Content-Based Image Retrieval by Wavelet Energy Signatures," Proceedings of the IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), 2003.
  51. C.-M. Pun and M.-C. Lee, "Rotation Invariant Texture Feature for Content-Based Image Retrieval," Proceedings of the IEEE International Conference on Multimedia and Expo (ICME), 2002.
  52. M.-C. Lee and C.-M. Pun, "Classifying Rotated Textures Using Wavelet Packet Signatures," Proceedings of the IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), 2000.
  53. M.-C. Lee and C.-M. Pun, "Texture Classification Using Dominant Wavelet Packet Energy Features," Proceedings of the Fourth IEEE Southwest Symposium on Image Analysis and Interpretation, 2000.

Professional Affiliations
Contact Details

Faculty of Science and Technology
University of Macau, E11
Avenida da Universidade, Taipa,
Macau, China

Room: E11-4090
Telephone: (853) 8822-4369
Fax: (853) 8822-2426
Email: cmpun