Chang-Tsun Li

Chang-Tsun Li received the B.E. degree in electrical engineering from Chung-Cheng Institute of Technology (CCIT), National Defense University, Taiwan, in 1987, the MSc degree in computer science from U. S. Naval Postgraduate School, USA, in 1992, and the Ph.D. degree in computer science from the University of Warwick, UK, in 1998. He was an associate professor of the Department of Electrical Engineering at CCIT during 1998-2002 and a visiting professor of the Department of Computer Science at U.S. Naval Postgraduate School in the second half of 2001. He is currently Professor of the Department of Computer Science at the University of Warwick, UK, a Fellow of British Computer Society, the Editor-in-Chief of the International Journal of Digital Crime and Forensics, an editor of the International Journal of Imaging (IJI) and an associate editor of the International Journal of Applied Systemic Studies (IJASS) and the International Journal of Computer Sciences and Engineering Systems (IJCSE). He has involved in the organisation of a number of international conferences and workshops and also served as member of the international program committees for several international conferences. He is also the coordinator of the international joint project entitled Digital Image and Video Forensics funded through the Marie Curie Industry-Academia Partnerships and Pathways (IAPP) under the EU’s Seventh Framework Programme from June 2010 to May 2014. His research interests include digital forensics, multimedia security, bioinformatics, computer vision, image processing, pattern recognition, evolutionary computation, machine learning and content-based image retrieval.

Publications

On the Generalization Power of Face and Gait in Gender Recognition
Yu Guan, Xingjie Wei, Chang-Tsun Li. © 2014. 8 pages.
Human face/gait-based gender recognition has been intensively studied in the previous literatures, yet most of them are based on the same database. Although nearly perfect gender...
Emerging Digital Forensics Applications for Crime Detection, Prevention, and Security
Chang-Tsun Li. © 2013. 305 pages.
The revolutionary way in which modern technologies have enabled us to exchange information with ease has created a demand for interdisciplinary research in digital forensics and...
An Improved Fingerprinting Algorithm for Detection of Video Frame Duplication Forgery
Yongjian Hu, Chang-Tsun Li, Yufei Wang, Bei-bei Liu. © 2013. 13 pages.
Frame duplication is a common way of digital video forgeries. State-of-the-art approaches of duplication detection usually suffer from heavy computational load. In this paper...
Crime Prevention Technologies and Applications for Advancing Criminal Investigation
Chang-Tsun Li, Anthony T.S. Ho. © 2012. 348 pages.
The tools of crime constantly evolve, and law enforcement and forensic investigators must understand advanced forensic techniques to ensure that the most complete evidence is...
An Improved Fingerprinting Algorithm for Detection of Video Frame Duplication Forgery
Yongjian Hu, Chang-Tsun Li, Yufei Wang, Bei-bei Liu. © 2012. 13 pages.
Frame duplication is a common way of digital video forgeries. State-of-the-art approaches of duplication detection usually suffer from heavy computational load. In this paper...
New Technologies for Digital Crime and Forensics: Devices, Applications, and Software
Chang-Tsun Li, Anthony T. S. Ho. © 2011. 374 pages.
Central to understanding and combating digital crime is the ability to develop new methods for the collection and analysis of electronic evidence. New Technologies for Digital...
Protection of Digital Mammograms on PACSs Using Data Hiding Techniques
Chang-Tsun Li, Yue Li, Chia-Hung Wei. © 2011. 13 pages.
Picture archiving and communication systems (PACS) are typical information systems, which may be undermined by unauthorized users who have illegal access to the systems. This...
Medical Images Authentication through Repetitive Index Modulation Based Watermarking
Chang-Tsun Li, Yue Li. © 2011. 8 pages.
In this work we propose a Repetitive Index Modulation (RIM) based digital watermarking scheme for authentication and integrity verification of medical images. Exploiting the fact...
Source Camera Identification Issues: Forensic Features Selection and Robustness
Yongjian Hu, Chang-Tsun Li, Changhui Zhou, Xufeng Lin. © 2011. 15 pages.
Statistical image features play an important role in forensic identification. Current source camera identification schemes select image features mainly based on classification...
Handbook of Research on Computational Forensics, Digital Crime, and Investigation: Methods and Solutions
Chang-Tsun Li. © 2010. 620 pages.
Due to the rise of digital crime and the pressing need for methods of combating these forms of criminal activities, there is an increasing awareness of the importance of digital...
Multimedia Forensics and Security
Chang-Tsun Li. © 2009. 416 pages.
As information technology is rapidly progressing, an enormous amount of media can be easily exchanged through Internet and other communication networks. Increasing amounts of...
Protection of Digital Mammograms on PACSs Using Data Hiding Techniques
Chang-Tsun Li, Yue Li, Chia-Hung Wei. © 2009. 14 pages.
Picture archiving and communication systems (PACS) are typical information systems, which may be undermined by unauthorized users who have illegal access to the systems. This...
Content Analysis from User's Relevance Feedback for Content-Based Image Retrieval
Chia-Hung Wei, Chang-Tsun Li. © 2009. 19 pages.
An image is a symbolic representation; people interpret an image and associate semantics with it based on their subjective perceptions, which involves the user’s knowledge...
Content-Based Retrieval for Mammograms
Chia-Hung Wei, Chang-Tsun Li, Yue Li. © 2009. 27 pages.
As distributed mammogram databases at hospitals and breast screening centers are connected together through PACS, a mammogram retrieval system is needed to help medical...
A Content-Based Approach to Medical Image Database Retrieval
Chia-Hung Wei, Chang-Tsun Li, Roland Wilson. © 2009. 22 pages.
Content-based image retrieval (CBIR) makes use of image features, such as color and texture, to index images with minimal human intervention. Content-based image retrieval can be...
Medical Images Authentication through Repetitive Index Modulation Based Watermarking
Chang-Tsun Li, Yue Li. © 2009. 8 pages.
In this work we propose a Repetitive Index Modulation (RIM) based digital watermarking scheme for authentication and integrity verification of medical images. Exploiting the fact...
Maintaining Information Security in E-Government through Steganology
Huayin Si, Chang-Tsun Li. © 2008. 7 pages.
Traditional government structures are sometimes regarded as overly bulky. However, with the rapid expansion of interconnected computer networks and the progressive development of...
Digital Signature-Based Image Authentication
Der-Chyuan Lou, Jiang-Lung Liu, Chang-Tsun Li. © 2008. 18 pages.
This chapter is intended to disseminate the concept of digital signature-based image authentication. Capabilities of digital signature-based image authentication and its...
Digital Watermarking for Multimedia Security Management
Chang-Tsun Li. © 2008. 8 pages.
The availability of versatile multimedia processing software and the far-reaching coverage of the interconnected networks have facilitated flawless copying and manipulations of...
Copyright Protection in Virtual Communities through Digital Watermarking
Huayin Si, Chang-Tsun Li. © 2008. 6 pages.
Although the development of multimedia processing techniques has facilitated the enrichment of information content, and the never-ending expansion of interconnected networks has...
Content-Based Multimedia Retrieval
C. Wei, Chang-Tsun Li. © 2008. 9 pages.
In the past decade, there has been rapid growth in the use of digital media such as images, video, and audio. As the use of digital media increases, effective retrieval and...
Digital Signature-Based Image Authentication
Der-Chyuan Lou, Jiang-Lung Liu, Chang-Tsun Li. © 2008. 19 pages.
This chapter is intended to disseminate the concept of digital signature-based image authentication. Capabilities of digital signature-based image authentication and its...
A Content-Based Approach to Medical Image Database Retrieval
Chia-Hung Wei, Chang-Tsun Li, Roland Wilson. © 2008. 22 pages.
Content-based image retrieval (CBIR) makes use of image features, such as color and texture, to index images with minimal human intervention. Content-based image retrieval can be...
Copyright Protection in Virtual Communities through Digital Watermarking
Huayin Si, Chang-Tsun Li. © 2008. 7 pages.
Although the development of multimedia processing techniques has facilitated the enrichment of information content, and the never-ending expansion of interconnected networks has...
Biometrics in Virtual Communities and Digital Governments
Chang-Tsun Li. © 2008. 5 pages.
Pervasive services of virtual communities and digital governments are achievable only if trust, privacy and security can be secured and strengthened. To meet these requirements...
A Content-Based Approach to Medical Image Database Retrieval
Chia-Hung Wei, Chang-Tsun Li, Roland Wilson. © 2006. 35 pages.
Content-based image retrieval (CBIR) makes use of image features, such as color and texture, to index images with minimal human intervention. Content-based image retrieval can be...
Biometrics in Virtual Communities and Digital Governments
Chang-Tsun Li. © 2006. 3 pages.
Pervasive services of virtual communities and digital governments are achievable only if trust, privacy and security can be secured and strengthened. To meet these requirements...
Copyright Protection in Virtual Communities through Digital Watermarking
Huayin Si, Chang-Tsun Li. © 2006. 5 pages.
Although the development of multimedia processing techniques has facilitated the enrichment of information content, and the never-ending expansion of interconnected networks has...
Digital Watermarking Schemes for Multimedia Authentication
Chang-Tsun Li. © 2005. 22 pages.
As the interconnected networks for instant transaction prevail and the power of digital multimedia processing tools for perfect duplication and manipulation increases, forgery...
Content-Based Multimedia Retrieval
Chia-Hung Wei, Chang-Tsun Li. © 2005. 7 pages.
In the past decade, there has been rapid growth in the use of digital media such as images, video, and audio. As the use of digital media increases, effective retrieval and...
Digital Watermarking for Multimedia Security Management
Chang-Tsun Li. © 2005. 6 pages.
The availability of versatile multimedia processing software and the far-reaching coverage of the interconnected networks have facilitated flawless copying and manipulations of...
Digital Signature-Based Image Authentication
Der-Chyuan Lou, Jiang-Lung Liu, Chang-Tsun Li. © 2005. 24 pages.
This chapter is intended to disseminate the concept of digital signature-based image authentication. Capabilities of digital signature-based image authentication and its...