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

Academic Qualifications

- Ph.D. in Computer Science and Engineering, The Chinese University of Hong Kong, Hong Kong (2002)
- M.Sc. in Software Engineering, University of Macau, Macau (1998)
- B.Sc. in Software Engineering, University of Macau, Macau (1995)

Working Experience

- Sept 2014 – Present
- Sept 2008 – Present
- July 2002 – Aug 2008

Head, Department of Computer and Information Science, University of Macau, Macau | |

Associate Professor, Department of Computer and Information Science, University of Macau, Macau | |

Assistant Professor, Department of Computer and Information Science, University of Macau, Macau |

Teaching

BSc Courses

1. | CISC3011 | Digital Image Processing |

2. | CISC3024 | Pattern Recognition |

MSc Courses

1. | CISC7016 | Advanced Topics in Computer Science II |

2. | CISC7018 | Advances in Pattern Recognition |

1. | CISC8001 | Advanced Topics in Computer Science |

Research

Research Interests

- Information Security, Forensic and Privacy for Multimedia;
- Image Processing and Pattern Recognition;

Recent Research Projects

**Efficient Searching Methods for Multimedia Tampering Detection**, funded by the Macau Science and Technology Fund, FDCT 041/2017/A1,, 2017-2020, on-going.*Principal Investigator***Feature Based Approaches for Multimedia Security and Watermarking**, funded by the Macau Science and Technology Fund, FDCT 093/2014/A2,, 2015-2018, completed.*Principal Investigator***Research and Application in Object Tracking and Recognition**, funded by the Macau Science and Technology Fund, FDCT 008/2013/A1,, 2013-2016, completed.*Principal Investigator***Robust and Geometric Invariant Digital Image Watermarking**, funded by the Macau Science and Technology Fund, FDCT 034/2010/A2,, 2011-2014, completed.*Principal Investigator*

**Research and Applications of Digital Image Forensics and Security,**funded by the Research Committee of University of Macau, MYRG2018-00035-FST,, 2019-2021, on-going.*Principal Investigator***Research and Applications on Digital Forgery Detection and Information Forensics,**funded by the Research Committee of University of Macau, MYRG2015-00011-FST,, 2015-2018, completed.*Principal Investigator***Multimedia Feature Analysis and Retrieval,**funded by the Research Committee of University of Macau, MYRG2015-00012-FST,, 2015-2018, completed.*Principal Investigator***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,, 2011-2015, completed.*Principal Investigator***Gesture and Pattern Recognition Using Machine Learning Approaches,**funded by the Research Committee of University of Macau, MYRG181(Y1-L3)-FST11-PCM,, 2011-2015, completed.*Principal Investigator*

Awards

**Champion**, IEEE Project Competition 2017, Macau, June 2017**Supervised Project:***Indoor navigation by image recognition*

**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**Supervised Project:***TongueMove*

**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*Technologies for Feature Analysis and Multimedia Security**特徵分析與多媒體安全技術研究*

Patents

**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.**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.**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**

- J.-C. Xie and
**C.-M. Pun**, “Chronological Age Estimation under the Guidance of Age-related Facial Attributes,”*IEEE Transactions on Information Forensics and Security*, In Press**,**2019**.** - H. Hu,
**C.-M. Pun**, Y. Liu, X. Lai, Z. Yang and H. Gao, “An artificial bee algorithm with a leading group and its application into image registration,”*Multimedia Tools and Applications*, pp. 1-27, 2019. - X. Cun, F. Xu,
**C.-M. Pun**and H. Gao, “Depth Assisted Full Resolution Network for Single Image-based View Synthesis,”*IEEE Computer Graphics and Applications*, pp. 1-14, 2018. **C.-M. Pun**and J.-L. Chung, “A two-stage localization for copy-move forgery detection,”*Information Sciences*, 463, pp. 33-55, 2018- Z.-L. Liu and
**C.-M. Pun**, “Reversible data-hiding in encrypted images by redundant space transfer,”*Information Sciences*, 433, pp. 188-203, 2018. - 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. - 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. - 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. - 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. - 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. - 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. - C. Shi and
**C.-M. Pun**, “Superpixel-based 3D deep neural networks for hyperspectral image classification.*Pattern Recognition*, 74, pp. 600-616, 2018. - C. Shi and
**C.-M. Pun**, “Multi-scale hierarchical recurrent neural networks for hyperspectral image classification,”*Neurocomputing*, 294, pp. 82-93, 2018. - 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. - 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. - 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. - 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. - 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. **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.- P. Qin and
**C.-M. Pun**, “Object tracking using distribution fields with correlation coefficients,”*Multimedia Tools and Applications*, pp. 1-24, 2017. - 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. - C. Shi and
**C.-M. Pun**, “3D multi-resolution wavelet convolutional neural networks for hyperspectral image classification,”*Information Sciences*, 420, pp. 49-65, 2017. - 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 - 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 **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- 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. - 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 - 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. - 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 - 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 - 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 - 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 **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- 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 - 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 **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- 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 **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- 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 - 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 **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- 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. - 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. **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.- 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. - 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. - 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. **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.- 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. - 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. - 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. - 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. - 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. **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.- 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 - 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 - 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 **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.**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.- 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. **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.**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.- 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. **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.-
**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. **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.**C.-M. Pun**, "Rotation Invariant Texture Feature for Image Retrieval,"*Computer Vision and Image Understanding*, vol. 89, no. 1, pp. 24-43, Jan. 2003.- 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. **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

- X. Xia,
**C.-M. Pun**, D. Zhang, Y. Yang H. Lu, H. Gao and F. Xu, “A 6-DOF Telexistence Drone Controlled by a Head Mounted Display,”*Proceedings of IEEE VR Conference*, Poster paper, 2019. - Y. Xiao,
**C.-M. Pun**and J. Zhou, “Generating Adversarial Perturbation with Root Mean Square Gradient,”*Proceedings of AAAI Workshops*, 2019. - 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. - Zi-Long Liu and
**C.-M. Pun**, “Chunk Encryption and Redundancy Matrix Representation for Reversible Data Hiding in Encrypted Images,”*23rd Nordic Conference on Secure IT Systems (NordSec)*, 2018. - C.-P. Yan and
**C.-M. Pun**, “Multi-scale difference map fusion for tamper localization using binary ranking hashing,”*10th IEEE International Workshop on Information Forensics and Security (WIFS)*, 2018. - 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. - B. Liu and
**C.-M. Pun**, “Deep Fusion Network for Splicing Forgery Localization,”*Proceedings of European Conference on Computer Vision (ECCV) Workshops*, 2018. - 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*, Poster paper, 2018. - 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. - C.-P. Yan and
**C.-M. Pun, “**Segmentation-based Image Hash for Precise Tamper Localization,”*Proceedings of the World Congress on Internet Security,*2017. **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.- 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. - 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. - 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. - 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. - 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. - K.-C. Choi and
**C**Adaptive Image Encryption for High Capacity Reversible Data Hiding,”**.-M. Pun, “***Proceedings of the IEEE Conference on Dependable and Secure Computing (DSC),*2017. - 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. - C. Lin and
**C**, “Robust Region Descriptors for Shape Classification,”**.-M. Pun***Proceedings of the 13th International Conference Computer Graphics, Imaging and Visualization*, 2016. - K.-C. Choi and
**C**, “Difference Expansion Based Robust Reversible Watermarking with Region Filtering,”**.-M. Pun***Proceedings of the 13th International Conference Computer Graphics, Imaging and Visualization*, 2016. - 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. - 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. - 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. - 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. - 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. - 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. - 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. - 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. - 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. - 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 (*2013.**TrustCom**), - 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 - 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. - 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. - 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 - 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. **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.**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.- 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. - 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. **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.- 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. **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.- 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. - 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. - 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. - 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. **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.- 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. **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.- 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. **C.-M. Pun**, "Image Classification Using Wavelet Watermarking Representation*,*"*Proceedings of the Sixth International Conference of Machine Learning and Cybernetics*, 2007.**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.**C.-M. Pun**, "Polar-Wavelet Energy Signatures For Rotation-Invariant Texture Classification,"*Proceedings of the IEE International Conference on Visual Information Engineering*2003.**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.**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.- 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. - 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

- IEEE Senior Member
- ACM Professional Member

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