Dr. Chang-Tsun Li Profile

Dr. Chang-Tsun Li

Professor at Univ of Warwick

SPIE Involvement:

Author

Proceedings Article | 19 February 2014 Paper

A reference estimator based on composite sensor pattern noise for source device identification

Ruizhe Li, Chang-Tsun Li, Yu Guan

Proceedings Volume 9028, 90280O (2014) https://doi.org/10.1117/12.2038651

KEYWORDS: Cameras, Composites, Sensors, Lithium, Image quality, Imaging devices, Forensic science, Image analysis, Discrete wavelet transforms, Image segmentation

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Proceedings Article | 19 February 2014 Paper

Two improved forensic methods of detecting contrast enhancement in digital images

Xufeng Lin, Xingjie Wei, Chang-Tsun Li

Proceedings Volume 9028, 90280X (2014) https://doi.org/10.1117/12.2038644

KEYWORDS: Forensic science, Detection and tracking algorithms, Wavelets, Image contrast enhancement, Neptunium, Image processing, Cameras, Distortion, Image enhancement, Light sources and illumination

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Proceedings Article | 1 May 2012 Paper

Gait recognition under carrying condition: a static dynamic fusion method

Guan Yu, Chang-Tsun Li, Yongjian Hu

Proceedings Volume 8436, 84360W (2012) https://doi.org/10.1117/12.922492

KEYWORDS: Gait analysis, Head, Detection and tracking algorithms, Feature extraction, Databases, Statistical analysis, Cameras, Fusion energy, Image segmentation, Binary data

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SPIE Journal Paper | 1 July 2008

Removable visible image watermarking algorithm in the discrete cosine transform domain

Ying Yang, Xingming Sun, Hengfu Yang, Chang-Tsun Li

JEI, Vol. 17, Issue 03, 033008, (July 2008) https://doi.org/10.1117/12.10.1117/1.2952843

KEYWORDS: Digital watermarking, Image restoration, Image quality, Image compression, Visualization, Image enhancement, JPEG2000, Image retrieval, Image processing, Image filtering

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SPIE Journal Paper | 1 January 2007

Wavelet-based fragile watermarking scheme for image authentication

Chang-Tsun Li, Huayin Si

JEI, Vol. 16, Issue 01, 013009, (January 2007) https://doi.org/10.1117/12.10.1117/1.2712445

KEYWORDS: Digital watermarking, Quantization, Distortion, Binary data, Transplantation, Discrete wavelet transforms, Silicon, Modulation, JPEG2000, Image compression

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SPIE Journal Paper | 1 December 2006

Digital watermarking scheme exploiting nondeterministic dependence for image authentication

Chang-Tsun Li, Yinyin Yuan

OE, Vol. 45, Issue 12, 127001, (December 2006) https://doi.org/10.1117/12.10.1117/1.2402932

KEYWORDS: Digital watermarking, Distortion, Information security, Transplantation, Lithium, Digital imaging, Digital image processing, Optical engineering, Sensors, Binary data

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Proceedings Article | 15 April 2005 Paper

A general framework for content-based medical image retrieval with its application to mammograms

Chia-Hung Wei, Chang-Tsun Li, Roland Wilson

Proceedings Volume 5748, (2005) https://doi.org/10.1117/12.594929

KEYWORDS: Mammography, Image retrieval, Matrices, Feature extraction, Medical imaging, Image analysis, Content based image retrieval, Databases, Tissues, Architectural distortion

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Proceedings Article | 19 November 2003 Paper

Watermarking scheme for authentication of compressed image

Tsung-Han Hsieh, Chang-Tsun Li, Shuo Wang

Proceedings Volume 5241, (2003) https://doi.org/10.1117/12.510574

KEYWORDS: Digital watermarking, Image compression, Transplantation, Binary data, Image filtering, Image transmission, Quantization, Linear filtering, Cryptography, Visualization

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SPIE Journal Paper | 1 April 2003

One-dimensional neighborhood forming strategy for fragile watermarking

Chang-Tsun Li, Fong-Man Yang

JEI, Vol. 12, Issue 02, (April 2003) https://doi.org/10.1117/12.10.1117/1.1557156

KEYWORDS: Digital watermarking, Image processing, Quantization, Transplantation, Binary data, Image filtering, Image transmission, Medical imaging, Image encryption, Signal processing

Showing 5 of 9 publications

Conference Committee Involvement (3)

Media Watermarking, Security, and Forensics 2015

9 February 2015 | San Francisco, California, United States

Media Watermarking, Security, and Forensics 2014

3 February 2014 | San Francisco, California, United States

Media Watermarking, Security, and Forensics 2013

5 February 2013 | Burlingame, California, United States

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