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Dr. Shujun LI ( )Senior Lecturer Department of Computing Faculty of Engineering and Physical Sciences University of Surrey Guildford, Surrey, GU2 7XH, UK Tel.: +44-(0)1483-68-6057 Fax: +44-(0)1483-68-6051 |
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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) and Prof. Xuanqin Mou (牟轩沁). 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). 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). From March 2007 to June 2008, he was a Humboldt Research Fellow and doing his research at the FernUniversität in Hagen, Germany, under the host of Prof. Dr. Dr. Wolfgang A. Halang. From July 2008 to August 2011, he was a fellow of the Zukunftskolleg, Universität Konstanz, Germany, also a junior faculty member of the Department of Computer and Information Science, and working closely with Prof. Dr. Dietmar Saupe's group on Multimedia Signal Processing. Since September 2011, he has been a senior lecturer (≈ associate professor) at the Department of Computing, University of Surrey, UK.Since 2000, Shujun Li has published around 80 scientific papers, mainly in usable security, multimedia security and applications of chaos/fractals in computing. Shujun Li is a Senior Member of the IEEE and a Professional Member of the ACM.
Curriculum Vitae (17 March, 2012): PDF Version
Research Interests
Main Interests: Usable Security & Security Economics - CAPTCHA/e-banking security/graphical passwords/human authentication against observers/identity theft/anti-phishing/malware/security visualization/visual cryptography, Multimedia Security - multimedia encryption and cryptanalysis/applications of discrete optimization in multimedia security/digital watermarking/steganography/information hiding/multimedia forensics/perceptual hashing, multimedia computing - multimedia coding/visual quality assessment (VQA)/RVC (Reconfigurable Video Coding)/wireless multimedia sensor networks/color fidelity, Crypto Tools Library (CTL), Digital and Multimedia Forensics, Chaos & Fractals in Computing - digital chaotic cipher/analog secure chaos-based communications/digitized chaos/fractal-based passwordsGeneral Interests: Multimedia Computing, Computer Security and Privacy, Human-Computer Interface, Nonlinearity
Scientometrics
h-index
Self-Citations Excluded:h-index = 19 (estimated from data in Elsevier's Scopus): Citation Report
Self-Citations Included:
h-index = 19 (estimated from data in Thomson Reuters's ResearcherID): Citation Report
h-index = 22 (estimated from data in Elsevier's Scopus): Citation Report
h-index = 31 (estimated from data in Google Scholar Citations)
h-index = 31 & g-index = 53 (estimated by Prof. Harzing's software "Publish or Perish", which is based on data in Google Scholar): Citation Report
Erdös Number = 3
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Paul Erdös
Prof. Charles K. Chui (崔锦泰)
Prof. Guanrong Chen (陈关荣)
Shujun Li
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Paul Erdös
Prof. Ron C. Mullin
Prof. Spyros S. Magliveras
Shujun Li
Professional Activities
Journal Editorships: Journal of Visual Communication and Image Representation (Editorial Board Member, 2012-) Information Security Technical Report (Editorial Board Member, 2012-2014) International Journal of Bifurcation and Chaos (Associate Editor, 2012-2014; Guest Associate Editor, 2010-2011)Conference Organization Committee Memberships: Local Arrangement Co-Chair @ MLSP 2013 (23rd IEEE International Workshop on Machine Learning for Signal Processing) Publicity Co-Chair @ UKCI 2013 (13th Annual UK Workshop on Computational Intelligence) Session Chair @ INTRUST 2010 (2nd International Conference on Trusted Systems)
Conference Program Committee Memberships: GLOBECOM 2013 (56th IEEE Global Communications Conference, Exhibition and Industry Forum) DASIP 2013 (7th Conference on Design and Architectures for Signal and Image Processing) ARES 2013 (8th International Conference on Availability, Reliability and Security) ICME 2013 (IEEE International Conference on Multimedia and Expo) ICC 2013 (38th IEEE International Conference on Communications) IWCC 2013 (2nd International Workshop on Cyber Crime)
Technical Committee/Experts Group Memberships: IEEE Circuits and Systems Society - Technical Committee on Nonlinear Circuits & Systems IEEE Communications Society - Technical Committee on Multimedia Communications
Selected Publications
- Hassan Jameel Asghar, Shujun Li, Ron Steinfeld and Josef Pieprzyk, "Does Counting Still Count? Revisiting the Security of Counting based User Authentication Protocols against Statistical Attacks," in Proceedings of 20th Annual Network & Distributed System Security Symposium (NDSS 2013, February 24-27, 2013, San Diego, CA, USA), 2013 (Acceptance rate: 47/250=18.8%) [Full Edition: IACR ePrint 2012/659] © Internet Society
- Hassan Jammel Asghar, Shujun Li, Josef Pieprzyk and Huaxiong Wang, "Cryptanalysis of the Convex Hull Click Human Identification Protocol," International Journal of Information Security, vol. 12, no. 2, pp. 83-96, 2013 © Springer-Verlag GmbH
- Junaid Jameel Ahmad, Shujun Li, Ahmad-Reza Sadeghi and Thomas Schneider, "CTL: A Platform-Independent Crypto Tools Library Based on Dataflow Programming Paradigm," in Financial Cryptography and Data Security: 16th International Conference, FC 2012, Kralendijk, Bonaire, Februray 27-March 2, 2012, Revised Selected Papers, Lecture Notes in Computer Science, vol. 7397, pp. 299-313, Springer, 2012 (Acceptance rate of long papers: 23/88=26.1%) © IFCA
- Kongfeng Zhu, Shujun Li and Dietmar Saupe, "An objective method of measuring texture preservation for camcorder performance evaluation," in Image Quality and System Performance IX (part of IS&T/SPIE Electronic Imaging 2012, Burlingame, CA, USA, January 22-26, 2012), Proceedings of SPIE, vol. 8293, Article Number 829304, 2012 © SPIE
- Sabine Cornelsen, Andreas Karrenbauer and Shujun Li, "Leveling the Grid," in Proceedings of the Meeting on Algorithm Engineering & Experiments, Kyoto, Japan, January 16, 2012 (ALENEX 2012), pp. 45-54, 2012 (Acceptance rate: 15/48=31%) © SIAM
- Yousra Javed, Maliha Nazir, Muhammad Murtaza Khan, Syed Ali Khayam and Shujun Li, "Captchæcker: Reconfigurable CAPTCHAs Based on Automated Security and Usability Analysis," in Proceedings of 2011 4th Symposium on Configuration Analytics and Automation (SafeConfig 2011, October 31 - November 1, 2011, Arlington, VA, USA) (Acceptance rate: 10/29=34.5%) © IEEE
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Junaid Jameel Ahmad, Shujun Li, Ihab Amer and Marco Mattavelli, "Building Multimedia Security Applications in the MPEG Reconfigurable Video Coding (RVC) Framework," in Proceedings of 13th ACM Workshop on Multimedia and Security (ACM MM&Sec 2011, Buffalo, NY, USA, September 29-30, 2011), pages 121-130, 2011
© ACM
- Shujun Li, Andreas Karrenbauer, Dietmar Saupe and C.-C. Jay Kuo, "Recovering Missing Coefficients in DCT-Transformed Images," in Proceedings of 2011 18th IEEE International Conference on Image Processing (ICIP 2011, Brussels, Belgium, September 11-14, 2011), pp. 1537-1540, 2011 Companion Web Page (Media Coverage: Vision Systems Design) © IEEE
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Toni Perković, Asma Mumtaz, Yousra Javed, Shujun Li, Syed Ali Khayam and Mario Čagalj, "Breaking Undercover: Exploiting Design Flaws and Nonuniform Human Behavior," in Proceedings of 7th Symposium On Usable Privacy and Security (SOUPS 2011, Carnegie Mellon University in Pittsburgh, PA, USA, July 20-22, 2011), ACM, 2011, DOI: 10.1145/2078827.2078834 (Acceptance rate: 15/45=33.3%)
© Authors
- Maliha Nazir, Yousra Javed, Muhammad Murtaza Khan, Syed Ali Khayam and Shujun Li, "Poster: Captchæcker – Automating Usability-Security Evaluation of Textual CAPTCHAs," in Proceedings of 7th Symposium On Usable Privacy and Security (SOUPS 2011, Carnegie Mellon University in Pittsburgh, PA, USA, July 20-22, 2011), 2011 © Authors
- Shujun Li, Ahmad-Reza Sadeghi, Soeren Heisrath, Roland Schmitz and Junaid Jameel Ahmad, "hPIN/hTAN: A Lightweight and Low-Cost e-Banking Solution against Untrusted Computers," in Financial Cryptography and Data Security: 15th International Conference, FC 2011, Gros Islet, St. Lucia, February 28 - March 4, 2011, Revised Selected Papers, Lecture Notes in Computer Science, vol. 7035, pp. 235-249, Springer, 2012 (Acceptance rate of long papers: 15/74=20.3%) Companion Web Page © IFCA
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Shujun Li, Syed Amier Haider Shah, Muhammad Asad Usman Khan, Syed Ali Khayam, Ahmad-Reza Sadeghi and Roland Schmitz, "Breaking e-Banking CAPTCHAs," in Proceedings of 26th Annual Computer Security Applications Conference (ACSAC 2010, Austin, Texas, USA, December 6-10, 2010), pp. 171-180, 2010, DOI: 10.1145/1920261.1920288 (Acceptance rate: 39/227=17.2%) Companion Web Page (Media Coverage: Infosec Island, LLC)
© ACM
- Hassan Jammel Asghar, Shujun Li, Josef Pieprzyk and Huaxiong Wang, "Cryptanalysis of the Convex Hull Click Human Identification Protocol," in: Information Security: 13th International Conference, ISC 2010, Boca Raton, FL, USA, October 25-28, 2010, Revised Selected Papers, Lecture Notes in Computer Science, vol. 6531, pp. 24-30, 2011 (Acceptance rate: 37/134=27.6%) © Springer-Verlag GmbH
- Shujun Li, Junaid Jameel Ahmad, Dietmar Saupe and C.-C. Jay Kuo, "An Improved DC Recovery Method from AC Coefficients of DCT-Transformed Images," in Proceedings of 2010 17th IEEE International Conference on Image Processing (ICIP 2010, Hong Kong, China, September 26-29, 2010), pp. 2085-2088, 2010 Companion Web Page © IEEE
- Shujun Li, Hassan Jameel Asghar, Josef Pieprzyk, Ahmad-Reza Sadeghi, Roland Schmitz and Huaxiong Wang, "On the Security of PAS (Predicate-based Authentication Service)," in: Proceedings of 25th Annual Computer Security Applications Conference (ACSAC 2009, December 7-11, 2009, Honolulu, Hawaii, USA), pp. 209-218, 2009, DOI: 10.1109/ACSAC.2009.27 (Acceptance rate: 44/224=19.6%) © IEEE
- Shujun Li and Roland Schmitz, "A Novel Anti-Phishing Framework Based on Honeypots," in: Proceedings of 4th Annual APWG eCrime Researchers Summit (eCRS 2009, October 20 & 21, 2009, Tacoma, WA, USA), IEEE, 2009 (Acceptance rate: 35%) Companion Web Page © IEEE
- Chengqing Li, Shujun Li, Muhammad Asim, Juana Nunez, Gonzalo Alvarez and Guanrong Chen, "On the security defects of an image encryption scheme," Image and Vision Computing, vol. 27, no. 9, pp. 1371-1381, 2009 © Elsevier Science B. V.
- 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
- 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.
- 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
- 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
- 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
- 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 Publishing Co.
- 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 Publishing Co.
- Shujun Li, Gonzalo Álvarez, Guanrong Chen and Xuanqin Mou, "Breaking a chaos-noise-based secure communication scheme," Chaos, vol. 15, no. 1, article 013703 (10 pages), March 2005
- 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
- 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
- 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 on 30 June 2003 © Xi'an Jiaotong University
- Shujun Li, Xuanqin Mou, Yuanlong Cai, Zhen Ji and Jihong Zhang, "On the security of a chaotic encryption scheme: problems with computerized chaos in finite computing precision," Computer Physics Communications, vol. 153, no.1, pp. 52-58, 2003 © Elsevier Science B. V.
- Shujun Li, Xuanqin Mou and Yuanlong Cai, "Pseudo-Random Bit Generator Based on Couple Chaotic Systems and Its Applications in Stream-Cipher Cryptography," in: Progress in Cryptology - INDOCRYPT 2001 : Second International Conference on Cryptology in India, Chennai, India, December 16-20, 2001. Proceedings, Lecture Notes in Computer Science, vol. 2247, pp. 316-329, 2001 © Springer-Verlag GmbH
Collaborators
(Co-)Supervisors: Prof. Yuanlong Cai (蔡元龙) @ XJTU Prof. Xuanqin Mou (牟轩沁) @ XJTUHost Professors and Mentors: Prof. Dr. Dietmar Saupe @ Uni-Konstanz Prof. Dr. Dr. Wolfgang A. Halang @ FernUni-Hagen.de Dr. Kwok-Tung Lo (卢国栋) @ HK-PolyU
Current/Recent Collaborators: Prof. Ehab Al-Shaer @ UNCC.us (CyberDNA Research Center, CCAA - NSF I/UCRC Center for Configuration Analytics and Automation) Dr. Hassan Jameel Asghar @ MQU.au Mr. Philip Bateman @ Uni-Surrey.uk Mr. Roman Byshko @ Uni-Konstanz Dr. Mario Čagalj @ FESB.hr Bill Cheswick @ AT&T Prof. Christos Grecos @ UWS.uk Prof. Anthony TS Ho @ Uni-Surrey.uk Dr. Andreas Karrenbauer @ Uni-Konstanz Prof. C.-C. Jay Kuo (郭宗杰) @ USC Ms. Fang Liu @ CityU-HK Prof. Marco Mattavelli @ EPFL (SCI-STI-MM Group) Mr. Toni Perković @ FESB.hr Prof. Josef Pieprzyk @ MQU.au Mr. Ghulam Qadir @ Uni-Surrey.uk Dr. Mickaël Raulet @ IETR/INSA-Rennes Dr. Keran Renaud @ Uni-Glasgow.uk Prof. Dr.-Ing. Ahmad-Reza Sadeghi @ TU-Darmstadt Prof. Dr. Roland Schmitz @ HdM Dr.-Ing. Thomas Schneider @ TU-DarmStadt Dr. Ron Steinfeld @ MQU.au Dr. Huaxiong Wang @ NTU.sg Ms. Hui Wang @ Uni-Surrey.uk Mr. Syamsul Yahaya @ Uni-Surrey.uk
(Co-)Supervised/Hosted PhD Students: Miss Nouf Aljaffan @ Uni-Surrey Mr. Ahmad al-Natour @ Uni-Surrey
(Co-)Supervised MSc Students: Ms. Yusra Javed @ NUST.pk Ms. Asma Mumtaz @ NUST.pk Ms. Maliha Nazir @ NUST.pk
(Co-)Supervised UG Students: Ms. Xiao Meng @ BUPT Mr. Jiaqing Tang @ BUPT
More Collaborators: Dr. Ihab Amer @ AMD.ca Dr. Gonzalo Álvarez Marañón @ IFA.CSIC.Spain Prof. José María Amigó @ UMH.Spain Mr. Muhammad Asim @ PhilipsResearch.nl Prof. Carmen Sánchez Ávila @ ETSIT.UPM.Spain Mr. Safya Belghitha @ ENIT.tn Prof. Bharat K. Bhargava @ PurdueU Prof. Nikolaos G. Bourbakis @ WSU Dr. Albert C.T. Cheung (张炽堂) @ CityU-HK Dr. Sabine Cornelsen @ Uni-Konstanz Dr. Johan Eker @ Ericsson Prof. Borko Furht @ FAU Prof. Gang Chen (陈刚) @ ZJU Dr. Veronica Fernández @ IFA.CSIC.Spain Dr. Luis Hernández @ IFA.CSIC.Spain Prof. Lei Hu (胡磊) @ ISCAS.CAS Dr. Jörn W. Janneck @ LudeUni.se Prof. Zhen Ji (纪震) @ SZU (TI DSPs LAB@SZU, PRIS Group@SZU) Prof. Mohan Kankanhalli @ NUS.sg Dr. Muhammad Murtaza Khan @ NUST.pk Dr. Syed Ali Khayam @ NUST.pk Prof. Dr. Kyandoghere Kyamakya @ Uni-Klagenfurt.au Mr. Qi Li @ U-Liverpool.UK Ms. Wenmin Li Dr. Xinxiao Li (李新肖) @ Toshiba.jp Jun.-Prof. Dr. Zhong Li (李忠) @ FernUni-Hagen.de Mr. Zhou Li @ IndianaU-Bloomington Prof. Xiaofeng Liao (廖晓峰) @ CQU Prof. Der-Chyuan Lou (娄德权) @ CGU.tw Prof. Jinhu Lü (吕金虎) @ RMIT Mr. Christophe Lucarz @ EPFL Prof. Spyros S. Magliveras @ FAU Mr. Kwan-Pok Man @ HK 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 Prof. Michael Reiter @ UNC Dr. Rhouma Rhouma @ ENIT.tn Dr. Miguel Romera @ IFA.CSIC.Spain Prof. Carmen Sánchez-Ávila @ UPM.es Dr. Daniel Socek @ FAU Dr. Ercan Solak @ IşıkUni.tr Mr. Peng Wang (王鹏) @ Intel.Shanghai Dr. XiaoFeng Wang @ IndianaU-Bloomington Dr. Kwok-Wo Wong (黄国和) @ CityU-HK Dr. Arthur Libo Yang (杨立波) @ NKU Dr. Dan Zhang (张亶) @ ZJU Dr. Xuan Zheng (郑煊) @ Ciena.US Prof. Jihong Zhang (张基宏) @ SZIIT Prof. Xinpeng Zhang (张新鹏) @ SHU
Colleagues, Schoolmates and Friends
Current/Former Colleagues: Dr. Hongwei Zheng (郑宏伟) @ Uni-HeidelbergSchoolmates, Friends and More Researchers I Personally Know: Dr. Zhongren Cao (曹重人) @ Calit2.US Dr. Dong Dai (戴栋) @ SCUT Dr. Xin Fan (樊鑫) @ DLMU Dr. Wei Feng (冯伟) @ CUHK Dr. Hua Huang (黄华) @ XJTU (Visual Media Computing Lab) Dr. Yifeng Jiang (蒋一峰) @ Yale.US Dr. Ying Li (李英) @ Samsung.US Dr. Pei Liu (刘沛) @ NYU-Poly.US Dr. Yue M. Lu (路悦) @ Harvard.US Dr. Fei Peng (彭飞) @ HunanU Prof. Pinyi Ren (任品毅) @ XJTU Dr. Bo Sun (孙博) @ ColumbiaU.US Dr. Jian Sun (孙剑) @ MSRA Dr. Ping Tan (谭平) @ NUS.sg Dr. Lei Wang (王磊) @ BChina.org Dr. Liang Wan (万亮) @ CUHK Prof. Hanli Wang (王瀚漓) @ TongjiU (Google Site) Dr. Shang Xue (薛尚) @ MarketingAnalyticsINC.US Dr. Bo Yan (颜波) @ FudanU Dr. Yu Zhang (张羽) @ Mindray
Love 
Shanshan: Our love goes forever (our photo album) ...
Universities
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