Shujun LI () Zukunftskolleg ("Future College"), Universität Konstanz Postal Address: Fachbereich Informatik und Informationswissenschaft Universität Konstanz Fach M697 (Work Group Multimedia Signal Processing) Universitätsstraße 10, 78457 Konstanz, Germany Room: Z 715 Fax: +49-(0)7531-88-4715
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Profile

Shujun Li was born in Yanzhou, Jining, Shandong, China. He received his BE degree in Information Science and Engineering from the Xi'an Jiaotong University (西安交通大学) in 1997, and received his PhD degree in Information and Communication Engineering in 2003 at the Institute of Image Processing, School of Electronic and Information Engineering, Xi'an Jiaotong University, supervised by Prof. Yuanlong Cai (蔡元龙教授) and Prof. Xuanqin Mou (牟轩沁教授). He has published more than 30 scientific papers, mainly in chaos-based encryption and multimedia security. During September 2003 to January 2005, he was a postdoctoral Research Assistant with the Department of Electronic Engineering, City University of Hong Kong (香港城市大学), under the supervision of Prof. Guanrong Chen (陈关荣教授). From June 2005 to January 2007, he was a postdoctoral fellow under The Hong Kong Polytechnic University (香港理工大学)'s Postdoctoral Fellowships Scheme, working at the Department of Electronic and Information Engineering with Dr. Kwok-Tung Lo (卢国栋博士). From March 2007 to June 2008, he was a Humboldt Research Fellow and doing his research in Germany, under the host of Prof. Dr. Dr. Wolfgang A. Halang. Since July 1st 2008, he is a postdoctoral fellow of the Zukunftskolleg ("Future College"), Universität Konstanz, working as a junior group leader of the project "Secure Multimedia Computing" . Dr. Li is also a member of the Fachbereich Informatik und Informationswissenschaft (Department of Computer and Information Science), and affiliated with Prof. Dr. Dietmar Saupe's group on Multimedia Signal Processing.

As an important experience, from April to September in 2002, he did research on secure human-computer identification against peeping attacks (SecHCI), CAPTCHAs and visual/graphical passwords as a visiting student at the Microsoft Research Asia (MSRA, 微软亚洲研究院), Beijing, China, under the supervision of Dr. Harry Shum (沈向洋博士), who was the managing director of MSRA and now a vice president of the Microsoft Corporation.

ResearcherID: A-9032-2008

Curriculum Vitae: PDF Version, Word Version

Scientometrics

h-index

Self-Citations Excluded:
h-index = 8 (estimated from data in SCOPUS): Citation Report

Self-Citations Included:
h-index = 8 (estimated from data in Thomson Scientific's Web of Science): Citation Report (All Articles Indexed)
h-index = 10 (estimated from data in SCOPUS, self-citations included): Citation Report
h-index = 15 & g-index = 22 (estimated from data in Prof. Harzing's "Publish or Perish", which is based on Google Scholar, self-citations included): Citation Report (txt edition) Citation Report (pdf edition)

Erdös Number = 3

1. Paul Erdös Prof. Charles K. Chui (崔锦泰教授) Prof. Guanrong Chen (陈关荣教授) Shujun Li
2. Paul Erdös Prof. Ron C. Mullin Prof. Spyros S. Magliveras Shujun Li

Current Research Interests

Main Interests: multimedia security - image and video encryption and cryptanalysis, chaotic cryptography and cryptanalysis - digital chaotic cipher and analog secure chaos-based communications, digital chaotic systems, HIPs - Human Interactive Proofs (such as CAPTCHAs, visual/graphical/image-based passwords, visual cryptography, secure human-computer identification against observer attacks - SecHCI/HumanAut and anti-phishing solutions)

Other General Interests: chaos synchronization, digital watermarking, data hiding, image processing, Internet security, biometrics, privacy-enhancing technologies

Selected Publications

1. Shujun Li, Chengqing Li, Guanrong Chen and Kwok-Tung Lo, "Cryptanalysis of RCES/RSES Image Encryption Scheme," Journal of Systems and Software, vol. 81, no. 7, pp. 1130-1143, 2008 © Elsevier Science B. V.
2. Shujun Li, Chengqing Li, Kwok-Tung Lo and Guanrong Chen, "Cryptanalyzing an Encryption Scheme Based on Blind Source Separation," IEEE Transactions on Circuits and System—I: Regular Papers, vol. 55, no. 4, pp. 1055-1063, April 2008 © IEEE
3. Shujun Li, Chengqing Li, Guanrong Chen, Nikolaos G. Bourbakis and Kwok-Tung Lo, "A general quantitative cryptanalysis of permutation-only multimedia ciphers against plaintext attacks," Signal Processing: Image Communication, vol. 23, no. 3, pp. 212-223, 2008 © Elsevier Science B. V.
4. Shujun Li, Chengqing Li, Kwok-Tung Lo and Guanrong Chen, "Cryptanalysis of an Image Scrambling Scheme without Bandwidth Expansion," IEEE Transactions on Circuits and Systems for Video Technology,vol. 18, no. 3, pp. 338-349, 2008 (Regular Transaction Paper) © IEEE
5. Shujun Li, Guanrong Chen, Albert Cheung, Bharat Bhargava and Kwok-Tung Lo, "On the Design of Perceptual MPEG-Video Encryption Algorithms," IEEE Transactions on Circuits and Systems for Video Technology, vol. 17, no. 2, pp. 214-223, 2007 (Regular Transaction Paper) © IEEE
6. Shujun Li, Chengqing Li, Kwok-Tung Lo and Guanrong Chen, "Cryptanalysis of an Image Encryption Scheme," Journal of Electronic Imaging, vol. 15, no. 4, article number 043012, 2006 © SPIE
7. Gonzalo Álvarez and Shujun Li, "Some Basic Cryptographic Requirements for Chaos-Based Cryptosystems," International Journal of Bifurcation and Chaos (Tutorial-Review Section), vol. 16, no. 8, pp. 2129-2151, 2006 © World Scientific Inc.
8. Shujun Li, Guanrong Chen and Xuanqin Mou, "On the Dynamical Degradation of Digital Piecewise Linear Chaotic Maps," International Journal of Bifurcation and Chaos (Tutorial-Review Section), vol. 15, no. 10, pp. 3119-3151, 2005 © World Scientific Inc.
9. Shujun Li, Guanrong Chen and Xuan Zheng, "Chaos-Based Encryption for Digital Images and Videos," (Review), Chapter 4 of the Multimedia Security Handbook (online version), pp. 133-167, edited by Prof. Borko Furht and Dr. Darko Kirovski, December 2004 © CRC Press LLC
10. Shujun Li, Guanrong Chen and Xuanqin Mou, "On the Security of the Yi-Tan-Siew Chaotic Cipher," IEEE Transactions on Circuits and Systems—II: Express Briefs, vol. 51, no. 12, pp. 665-669, 2004 © IEEE
11. Shujun Li, "Analyses and New Designs of Digital Chaotic Ciphers (数字化混沌密码的分析与设计)," PhD thesis, School of Electronic and Information Engineering, Xi'an Jiaotong University, supervised by Prof. Yuanlong Cai and Prof. Xuanqin Mou, submitted in April 2003, defense passed on 13 June 2003, approved in 30 June 2003 © Xi'an Jiaotong University

Collaborators

Supervisors and Host Professors: Prof. Yuanlong Cai (蔡元龙教授) @ XJTU Prof. Xuanqin Mou (牟轩沁教授) @ XJTU Prof. Guanrong Chen (陈关荣教授) @ CityU-HK Dr. Kwok-Tung Lo (卢国栋博士) @ HK-PolyU Prof. Dr. Dr. Wolfgang A. Halang @ FernUni-Hagen.de Dr. Harry Shum (沈向洋博士) @ MSRA

Current Collaborators: Dr. Gonzalo Álvarez @ IFA.CSIC.Spain Mr. David Arroyo @ IFA.CSIC.Spain Prof. Bharat K. Bhargava @ PurdueU Prof. Nikolaos G. Bourbakis @ WSU Dr. Albert C.T. Cheung (张炽堂博士) @ CityU-HK V. Fernandez @ IFA.CSIC.Spain Dr. Luis Hernández @ IFA.CSIC.Spain Mr. Chengqing Li (李澄清) @ CityU-HK Jun.-Prof. Dr. Zhong Li (李忠博士) @ FernUni-Hagen.de Dr. Fausto Montoya @ IFA.CSIC.Spain Dr. Jaime Muñóz @ IFA.CSIC.Spain Ms. Juana Nunez @ IFA.CSIC.Spain Ms. Amalia B. Orue @ IFA.CSIC.Spain Dr. Gerardo Pastor @ IFA.CSIC.Spain Dr. Miguel Romera @ IFA.CSIC.Spain Prof. Carmen Sánchez Ávila @ ETSIT.UPM.Spain

Former Collaborators: Prof. Borko Furht @ FAU Prof. Gang Chen (陈刚教授) @ ZJU Dr. Lei Hu (胡磊研究员) @ ISCAS.CAS Prof. Zhen Ji (纪震教授) @ SZU (TI DSPs LAB@SZU, PRIS Group@SZU) Mr. Qi Li @ U-Liverpool.UK Ms. Wenmin Li Prof. Xiaofeng Liao (廖晓峰教授) @ CQU Prof. Der-Chyuan Lou (娄德权教授) @ NDU.tw Prof. Jinhu Lü (吕金虎教授) @ AMSS.CAS Prof. Spyros S. Magliveras @ FAU Mr. Kwan-Pok Man @ HK Dr. Daniel Socek @ FAU Mr. Peng Wang (王鹏) @ Intel.Shanghai Dr. Kwok-Wo Wong (黄国和博士) @ CityU-HK Dr. Arthur Libo Yang (杨立波博士) @ NKU Dr. Dan Zhang (张亶博士) @ ZJU Dr. Xuan Zheng (郑煊博士) @ Ciena.US Prof. Jihong Zhang (张基宏教授) @ SZIIT

Colleagues, Schoolmates and Friends

Current/Former Colleagues: Dr. Hongjun Cao (曹鸿钧博士) @ BJTU Dr. Zhengping Fan (范正平博士) @ SYSU Prof. Xiang Li (李翔教授) @ Fudan Prof. Shaowen Li (李绍文教授) @ SWUFE Prof. Yuxia Li (李玉霞教授) @ SDUST Prof. Wenbo Liu (刘文波教授) @ NUAA Dr. Yaobin Mao (茅耀斌博士) @ NJUST Prof. Guoyuan Qi (齐国元教授) @ TUST/F’SATIE.ZA Prof. Chuanjun Tian (田传俊教授) @ SZU Prof. Cong Wang (王聪教授) @ SCUT Prof. Gong Zhang (张弓教授) @ NUAA Dr. Guofeng Zhang (张国峰博士) @ HDU

Schoolmates and Friends (Researchers): Dr. Dong Dai (戴栋) @ XJTU Dr. Yifeng Jiang (蒋一峰) @ Yale.US Ms. Ying Li (李英) @ Princeton.US Mr. Bo Sun (孙博) @ ColumbiaU.US Dr. Jian Sun (孙剑) @ MSRA Dr. Lei Wang (王磊) @ BChina.org Dr. Shang Xue (薛尚) @ Purdue.US Dr. Yu Zhang (张羽) @ Mindray

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