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

### Academic Qualification

- 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

- 2014 – 2019 Head, Department of Computer and Information Science, University of Macau, Macau
- 2008 – Present Associate Professor, Department of Computer and Information Science, University of Macau, Macau
- 2002 – 2008 Assistant Professor, Department of Computer and Information Science, University of Macau, Macau

### Teaching

#### B.Sc. Courses

1. | CISC3011 | Digital Image Processing |

2. | CISC3024 | Pattern Recognition |

3. | CISC3027 | Special Topics in Computer and Information Science |

#### M.Sc. Courses

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

2. | CISC7018 | Advances in Pattern Recognition |

3. | CISC7108 | Advanced Computer Graphics and Multimedia |

#### Ph.D. Course

1. | CISC8001 | Advanced Topics in Computer Science |

#### Principal Thesis Supervision:

PhD: 10 Graduates, MSc: 8 Graduates

### Research

#### Research Interests

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

#### Recent Research Projects with External Grants

**Research on Information Security and Privacy in Machine Learning**, funded by the Macau Science and Technology Fund, FDCT/0019/2019/A,, 2019-2021, on-going.*Principal Investigator***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*

### Patents

**C.-M. Pun,**and C. Lin, “A Real-time Detector for Parked Vehicles Based on Hybrid Background Modeling,”*US Patent,*Granted, US010261574, April 16, 2019.**C.-M. Pun,**K.-C. Choi and C. L. Philip Chen**,**“Reversible Audio Data Hiding,” US*Patent*, Granted, US9396733, July 19, 2016.**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.

### Selected Publications

**Journals**

- X. Cun and
**C.-M. Pun**, “Improving the Harmony of the Composite Image by Spatial-Separated Attention Module,”*IEEE Transactions on Image Processing (TIP)*, In Press, 2020. (JCR Q1, CCF A) - J.-C. Xie and
**C.-M. Pun**, “Deep and Ordinal Ensemble Learning for Human Age Estimation From Facial Images,”*IEEE Transactions on Information Forensics and Security (TIFS)*, 15(1), pp. 2361 – 2374, 2020. (JCR Q1, CCF A) - J.-L. Zhong and
**C.-M. Pun**, “An End-to-End Dense-InceptionNet for Image Copy-Move Forgery Detection,”*IEEE Transactions on Information Forensics and Security (TIFS)*, 15(1), pp. 2134 – 2146, 2020. (JCR Q1, CCF A) - C. Shi and
**C.-M. Pun**, “Multiscale Superpixel-based Hyperspectral Image Classification Using Recurrent Neural Networks with Stacked Autoencoders,”*IEEE Transactions on Multimedia (TMM)*, 22(2), pp. 487 – 501, 2020. (JCR Q1, CCF B) - G. Zhong and
**C.-M. Pun**, “Nonnegative self-representation with a fixed rank constraint for subspace clustering,”*Information Sciences*, 518(5), pp. 127-141, 2020. (JCR Q1, CCF B) - Y. Xiao,
**C.-M. Pun**and B. Liu, “Crafting adversarial example with adaptive root mean square gradient on deep neural networks,”*Neurocomputing*, In Press, 2020. (JCR Q1) - B. Liu and
**C.-M. Pun**, “Locating splicing forgery by adaptive-SVD noise estimation and vicinity noise descriptor,”*Neurocomputing*, In Press, 2020. (JCR Q1) - G. Zhong and
**C.-M. Pun**, “Subspace clustering by simultaneously feature selection and similarity learning,”*Knowledge-Based Systems*, In Press, 2020. (JCR Q1) - Z. Tang, H. Nie,
**C.-M. Pun**, H. Yao, C. Yu and X. Zhang, “Color Image Reversible Data Hiding With Double-Layer Embedding,”*IEEE Access,*8(1), pp. 6915 – 6926, 2020. (JCR Q1) - F. Xu, H. Li,
**C.-M. Pun**, H. Hu, Y. Li, Y. Song and H. Gao, “A new global best guided artificial bee colony algorithm with application in robot path planning,”*Applied Soft Computing*, 88(3), pp. 1-31, 2020. (JCR Q1) - J.-L. Zhong and
**C.-M. Pun**, “Two-pass hashing feature representation and searching method for copy-move forgery detection,”*Information Sciences*, 512(2), pp. 675-692, 2020. (JCR Q1, CCF B) - 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 (TIFS)*, 14(9), pp.2500 – 2511**,**2019. (JCR Q1, CCF A) - F. Xu,
**C.M Pun**, H. Li, Y. Zhang, Y. Song, H. Gao, “Training Feed-Forward Artificial Neural Networks with a Modified Artificial Bee Colony Algorithm,”*Neurocomputing*, In Press, 2019. (JCR Q1) - C. Shi and
**C.-M. Pun**, “Adaptive multi-scale deep neural networks with perceptual loss for panchromatic and multispectral images classification,”*Information Sciences*, 490, pp. 1-17, 2019. (JCR Q1, CCF B) - R. Lu, H. Hu, M. Xi, H. Gao, and
**C.-M. Pun**, “An improved artificial bee colony algorithm with fast strategy, and its application,”*Computers & Electrical Engineering*, 78(9), pp. 79-88, 2019.(JCR Q2) - Z.-L. Liu and
**C.-M. Pun**, “Reversible image reconstruction for reversible data hiding in encrypted images,”*Signal Processing,*161, pp. 50-62, 2019. (JCR Q1) - J.-L. Zhong and
**C.-M. Pun**, “Copy-move forgery detection using adaptive keypoint filtering and iterative region merging,”*Multimedia Tools and Applications*, 78(18), pp. 26313–26339, 2019. (JCR Q2) - 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*, 39(2), pp. 52-64, 2019. (JCR Q2) **C.-M. Pun**and J.-L. Chung, “A two-stage localization for copy-move forgery detection,”*Information Sciences*, 463, pp. 33-55, 2018. (JCR Q1, CCF B)- Z.-L. Liu and
**C.-M. Pun**, “Reversible data-hiding in encrypted images by redundant space transfer,”*Information Sciences*, 433, pp. 188-203, 2018. (JCR Q1, CCF B) - 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 (TII)*, pp. 1-13, 2018. (JCR, Q1) - 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. (JCR Q2) - 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*, 49(1), pp. 263-284, 2019. (JCR Q2) - C. Shi and
**C.-M. Pun**, “Superpixel-based 3D deep neural networks for hyperspectral image classification.*Pattern Recognition*, 74, pp. 600-616, 2018. (JCR Q1, CCF B) - G. Huang and
**C.-M. Pun**, “On-line video multi-object segmentation based on skeleton model and occlusion detection,”*Multimedia Tools and Applications*, 77(23), pp. 31313–31329, 2018. (JCR Q2) - 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. (JCR Q2) - 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. (JCR Q1) - 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. (JCR Q2) - B. Liu and
**C.-M. Pun**, “Locating splicing forgery by fully convolutional networks and conditional random field,”*Signal Processing: Image Communication*, 66(8), pp. 103-112, 2018. (JCR Q2) - C. Shi and
**C.-M. Pun**, “Multi-scale hierarchical recurrent neural networks for hyperspectral image classification,”*Neurocomputing*, 294, pp. 82-93, 2018. (JCR Q1) - 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. (JCR Q2) - 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*, 70(8), pp. 931-938, 2018. (JCR Q2) - 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. (JCR Q1, CCF B) - 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*, 77(1), pp. 363–385, 2018. (JCR Q2) **C.-M. Pun**, C.-P. Yan and X.-C. Yuan, “Robust image hashing using progressive feature selection for tampering detection,”*Multimedia Tools and Applications*, 77(10), pp. 11609–11633, 2018. (JCR Q2)- P. Qin and
**C.-M. Pun**, “Object tracking using distribution fields with correlation coefficients,”*Multimedia Tools and Applications*, 77(7), pp. 8979–9002, 2018. (JCR Q2) - 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. (JCR Q1, CCF B) - 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. (JCR Q1, CCF B) - C. Shi and
**C.-M. Pun**, “3D multi-resolution wavelet convolutional neural networks for hyperspectral image classification,”*Information Sciences*, 420, pp. 49-65, 2017. (JCR Q1, CCF B) - 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 (TIFS)*, 12(9), pp. 2144 – 2158**,**2017. (JCR Q1, CCF A) - 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 (TIP)*, 26 (12), pp. 5692-5705, 2017. (JCR Q1, CCF A) **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 (TIFS)*, 12(2), pp. 377-391 2017. (JCR Q1, CCF A)- 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 (TCyber)*, 47(3), pp. 600 – 611, 2017. (JCR Q1, CCF B) - 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. (JCR Q2) - 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. (JCR Q2) - 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. (JCR Q2) - 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 (TIFS)*, 11(12), pp.2664-2677, 2016. (JCR Q1, CCF A) - 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. (JCR Q1, CCF B) - 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. (JCR Q1) **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. (JCR Q2)- 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. (JCR Q2) **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. (JCR Q2)- 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. (JCR Q1, CCF B) **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. (JCR Q2)- 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. (JCR Q2) - 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. (JCR Q1) **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 (TIFS)*, 10(8), pp.1705-1716, 2015. (JCR Q1, CCF A)- 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. (JCR Q1, CCF B) - 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. (JCR Q1, CCF B) **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. (JCR Q2)- 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. (JCR Q1, CCF B) - 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. (JCR Q1) - 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. (JCR Q2) **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. (JCR Q2)- 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. (JCR Q2) - H.-M. Zhu and
**C.-M. Pun**, “An Adaptive Superpixel Based Hand Gesture Tracking and Recognition System,”*The Scientific World Journal*, vol. 2014, Article ID 849069, 12 pages, 2014. (JCR Q2) - B. Liu,
**C.-M. Pun**and X.-C. Yuan, “Digital Image Forgery Detection Using JPEG Features and Local Noise Discrepancies,”*The Scientific World Journal*, vol. 2014, Article ID 230425, 12 pages, 2014. (JCR Q2) **C.-M. Pun**and X.-C. Yuan, “Robust Segments Detector for De-Synchronization Resilient Audio Watermarking,” IEEE*Transactions on Audio, Speech, and Language Processing (TASLP)*, 21(11), pp. 2412 – 2424, 2013. (JCR Q2, CCF B)- 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. (JCR Q1) - 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. (JCR Q1, CCF B) - 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 (TVT)*, 62(4), pp. 1484 – 1492, 2013. (JCR Q1) - 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. (JCR Q1) - 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 (TSMC)*, 30(1), pp. 227-237, 2009. (JCR Q1, CCF B) **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 (TPAMI)*, vol. 26, no. 9, pp. 1228-1233, Sept. 2004. (JCR Q1, CCF A)-
**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 (TPAMI)*, vol. 25, no. 5, pp. 590-603, May 2003. (JCR Q1, CCF A) **C.-M. Pun**, “Rotation Invariant Texture Feature for Image Retrieval,”*Computer Vision and Image Understanding*, vol. 89, no. 1, pp. 24-43, Jan. 2003. (JCR Q2)- 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. (JCR Q1, CCF B)

#### Conferences

- G. Zhong and
**C.-M. Pun, “**A Unified Framework for Multi-view Spectral Clustering,”*Proceedings of the 36th IEEE International Conference on Data Engineering (ICDE)*, Accepted, 2020. (CCF A) - X. Cun,
**C.-M. Pun**and C. Shi, “Towards Ghost-free Shadow Removal via Dual Hierarchical Aggregation Network and Shadow Matting GAN,”*Proceedings of the Thirty-Fourth AAAI Conference on Artificial Intelligence (AAAI)*, Accepted, 2020. (CCF A) - L. Huang and
**C.-M. Pun, “**Audio Replay Spoof Attack Detection Using Segment-based Hybrid Feature and DenseNet-LSTM Network,”*Proceedings of the 44th IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)*, 2019. (CCF B) - 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 the IEEE Conference on Virtual Reality and 3D User Interfaces*(VR), 2019. (CCF A) - 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 2018, Posters*, 2018. (CCF A) - C. Shi and
**C.-M. Pun, “**Perceptual Loss for Superpixel-Level Multispectral and Panchromatic Image Classification,”*Proceedings of the 43rd IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)*, 2018. (CCF B) - 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. (CCF B) - 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. (CCF B) - 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 (TrustCom),*2013. (CCF C) - 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. (CCF B) - 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. (CCF C)**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. (CCF C)- 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 X.-C. Yuan, “Robust Block and Gray-Level Histogram Based Watermarking Scheme ,”*Proceedings of the**10th Pacific Rim Conference on Multimedia (PCM),*2009. (CCF C)**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,”*Proceedings of the IEEE International Conference on Multimedia and Expo (ICME),*2003. (CCF B)**C.-M. Pun**, “Invariant Content-Based Image Retrieval by Wavelet Energy Signatures,”*Proceedings of the 28th IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP),*2003. (CCF B)**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. (CCF B)- M.-C. Lee and
**C.-M. Pun**, “Classifying Rotated Textures Using Wavelet Packet Signatures,”*Proceedings of the 25th IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP)*, 2000. (CCF B) - 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: E11-4091

Telephone: (853) 8822-4369

Fax: (853) 8822-2426

Email: cmpun