514 Dacheng Tao received the B.Eng. degree from the University of Science and Technology of China (USTC), the MPhil degree from the Chinese University of Hong Kong (CUHK), and the PhD degree from the University of London (Lon). Currently, he holds a Nanyang titled acadmic post with the School of Computer Engineering in the Nanyang Technological University and a visiting post in Lon. He is a Visiting Professor in Xi Dian University and a Guest Professor in Wu Han University. His research is mainly on applying statistics and mathematics for data analysis problems in computer vision, data mining, machine learning, multimedia, and video surveillance. He has published around 100 scientific papers including IEEE TPAMI, TKDE, TIP, CVPR, ECCV, ICDM; ACM TKDD, Multimedia, KDD etc., with best paper runner up awards and finalists. Previously he gained several Meritorious Awards from the International Interdisciplinary Contest in Modeling, which is the highest level mathematical modeling contest in the world, organized by COMAP. He is an associate editor of IEEE Transactions on Knowledge and Data Engineering, Neurocomputing (Elsevier) and the Official Journal of the International Association for Statistical Computing -- Computational Statistics & Data Analysis (Elsevier). He has authored/edited six books and eight special issues, including CVIU, PR, PRL, SP, and Neurocomputing. He has (co-)chaired for special sessions, invited sessions, workshops, and conferences. He has served with more than 50 major international conferences including CVPR, ICCV, ECCV, ICDM, KDD, and Multimedia, and more than 15 top international journals including TPAMI, TKDE, TOIS, TIP, TCSVT, TMM, TIFS, TSMC-B, Computer Vision and Image Understanding (CVIU), and Information Science. Dong Xu is currently an assistant professor at Nanyang Technological University at Singapore. He received the B.Eng. and PhD degrees from the Electronic Engineering and Information Science Department, University of Science and Technology of China, in 2001 and 2005, respectively. During his PhD study, he worked at Microsoft Research Asia and The Chinese University of Hong Kong for more than two years. He also worked at Columbia University for one year as a postdoctoral research scientist. His research interests include computer vision, pattern recognition, statistical learning and multimedia content analysis. He has published more than 20 papers in top venues including T-PAMI, T-IP, T-CSVT, T-SMC-B and CVPR. He is an associate editor of Neurocomputing (Elsevier). He is the guest editors of three special issues on video and event analysis in IEEE Transactions on Circuits Systems for Video Technology (T-CSVT), Computer Vision and Image Understanding (CVIU) and Pattern Recognition Letters (PRL), and a coauthor of a forthcoming book entitled Semantic Mining Technologies for Multimedia Databases. He was awarded a Microsoft Fellowship in 2004 Copyright 2009, IGI Global, distributing in print or electronic forms without written permission of IGI Global is prohibited.
Xuelong Li is the Reader in Cognitive Computing at Birkbeck College, University of London, a Visiting Professor at the Tianjin University, and a Guest Professor at the University of Science and Technology of China. *** Amr Ahmed (BEng 93, MSc 98, PhD 04, MBCS 05) is a Senior Lecturer (equivalent to Assistant Professor in the American system), and the Leader of the DCAPI (Digital Contents Analysis, Production, and Interaction: dcapi.lincoln.ac.uk) research group at the Department of Computing and Informatics, University of Lincoln, UK. His research focuses on the analysis, production, and interaction with digital contents. His research interests include video processing, segmentation, scene understanding, and the integration between computer vision and graphics. Amr worked in the industry for several years, including Sharp Labs of Europe, Oxford, as a Research Scientist. He was working as a Research Fellow at the University of Surrey before joining the University of Lincoln in 2005. Dr. Ahmed is a Member of the British Computer Society (MBCS). He received his Bachelor s degree in electrical engineering from Ain Shams Univerity, Egypt, in 1993, his M.Sc. degree, by research, in Computer and Systems Engineering from Ain Shams Univerity, Egypt, in 1998, and his Ph.D. degree in Computer Graphics and Animation from the University of Surrey, U.K., in 2004. E-mail address: Amr.Ahmed@BCS.org. Web site: webpages.lincoln.ac.uk/aahmed. Leonard Brown is an Assistant Professor in the Computer Science Department at The University of Texas at Tyler. He received his M.S. and Ph.D. degrees in Computer Science from The University of Oklahoma in 1997 and 2003, respectively. Prior to that, he was a Member of Technical Staff-I at AT&T in Oklahoma City. His current research interests include multimedia database management systems and image retrieval. He has published over a dozen refereed technical articles in journals and conference proceedings, and he was awarded a NASA Summer Faculty Fellowship in 2004 at the Jet Propulsion Laboratory. He is a member of ACM and IEEE. Jian Cheng, associate professor of Institute of Automation, Chinese Academy of Sciences. He received the B.S. and M.S. degrees in Mathematics from Wuhan University in 1998 and in 2001, respectively. In 2004, he got his Ph.D degree in pattern recognition and intelligent systems from Institute of Automation, Chinese Academy of Sciences. From 2004 to 2006, he has been working as postdoctoral in Nokia Research Center. Then he joined National Laboratory of Pattern Recognition, Institute of Automation. His current research interests include image and video retrieval, machine learning, etc. Xiaochun Cheng Dr Xiaochun Cheng had his BEng on Computer Software in 1992 and his PhD on Artificial Intelligence in 1996. He has been a senior member of IEEE since 2004. He is the secretary for IEEE SMC UK&RI. He is a member of following technical committee of IEEE SMC: Technical Committee on Systems Safety and Security, Technical Committee on Computational Intelligence. Yun Fu received the B.Eng. in information and communication engineering and M. Eng. in pattern recognition and intelligence systems from Xian Jiao Tong University (XJTU) in 2001 and 2004, the M.S. degree in statistics and the Ph.D degree in Electrical and Computer Engineering (ECE) from University of Illinois at Urbana-Champaign (UIUC) in 2007 and 2008, respectively. From 2001 to 2004, he was a 515
research assistant at the AI&R at XJTU. From 2004 to now, he is a graduate fellow and research assistant at the Beckman Institute for Advanced Science and Technology, ECE department and Coordinated Science Laboratory at UIUC. He was a research intern with Mitsubishi Electric Research Laboratories, Cambridge, MA, in summer 2005; with Multimedia Research Lab of Motorola Labs, Schaumburg, IL, in summer 2006. He jointed BBN Technologies, Cambridge, MA, as a Scientist in 2008. Hossam A. Gabbar is an Associate Professor in the Faculty of Energy Systems and Nuclear Science, UOIT, Canada. Dr. Gabbar obtained his Ph.D. in Process Systems Engineering from Okayama University (Japan). He joined Tokyo Institute of Technology and Japan Chemical Innovative Institute (JCII) between 2001-2004. In 2004, he joined Okayama University as an associate professor in the division of Industrial Innovation Sciences. From 2007 till 2008, he was a visiting scholar in University of Toronto, in the Mechanical and Industrial Engineering Department. He has contributed significantly to the areas of intelligent green production systems and process systems engineering. He published in reputable international journals, books, book chapters, patent, and industrial technical reports. He is regularly invited to conferences, tutorial, industrial and scientific events as keynote a speaker. He is the Editor-in-Chief of Int. J of Process Systems Engineering (PSE), editorial board member of the international journal of Resources, Energy and Development (READ), senior member of IEEE, chair of technical committee on Intelligent Green Production Systems, and board member of a numerous conferences and scientific committees. His solutions are widely implemented in industry in the areas of energy systems, safety instrumented systems, and process safety management. Wen Gao (M 92-SM 05) received the BSc and MSc degrees in computer science from the Harbin University of Science and Technology and the Harbin Institute of Technology, China, in 1982 and 1985, respectively, and the PhD degree in electronics engineering from the University of Tokyo, Japan, in 1991. He is currently a professor in the School of Electronics Engineering and Computer Science, Peking University, China. He is the editor-in-chief of the Journal of Computer (in Chinese), associate editor of the IEEE Transactions on Circuit System for Video Technology and IEEE Transaction on Multimedia, and editor of the Journal of Visual Communication and Image Representation. He published four books and more than 300 technical articles in refereed journals and proceedings in the areas of multimedia, video compression, face recognition, sign language recognition and synthesis, image retrieval, multimodal interface, and bioinformatics. He is a senior member of the IEEE. Xin He Mr Xin He received his BSc in Computer Science with First Class Honours from Beijing Union University, P.R. China and BSc in Computer Technology with Second Class (Upper Division) Honours from The University of East London, UK in 2003. He received his MSc in Network Centred Computing with Merit from the University of Reading in 2004. He is currently continuing his study as a PhD student in School of Systems Engineering at the University of Reading. His study is supported by the Research Endowment Trust Fund (RETF). His research includes artificial intelligence, multi-agent system and software engineering. Xian-Sheng Hua received the B.S. and Ph.D. degrees from Peking University, Beijing, China, in 1996 and 2001, respectively, both in applied mathematics. Since 2001, he has been with Microsoft Research Asia, Beijing, where he is currently a Lead Researcher with the internet media group. His current research interests include video content analysis, multimedia search, management, authoring, 516
sharing and advertising. He has authored more than 130 publications in these areas and has more than 30 filed patents or pending applications. HUA is a member of the Association for Computing Machinery and IEEE. He is an adjunct professor of University of Science and Technology of China, and serves as an Associate Editor of IEEE Transactions on Multimedia and Editorial Board Member of Multimedia Tools and Applications. Hua won the Best Paper Award and Best Demonstration Award in ACM Multimedia 2007. Qingming Huang (M 04-SM 08) He was born on Dec 23, 1965 in Harbin, China. He obtained his B.S. in computer science in 1988 and Ph.D. in computer engineering in 1994, both from Harbin Institute of Technology, China. He was a postdotoral fellow in the National University of Singapore from 1995 to 1996, and a member of research staff in Institute for Infocomm Research, Singapore from 1996 to 2002. He joined the Chinese Academy of Sciences (CAS) in 2003 under the Science100 Plan, and is now a professor in the Graduate Universwity of CAS. His research interests include multimedia computing, digital video analysis, video coding, image processing, pattern recognition and computer vision. He has published over 100 academic papers in various journals and conference proceedings, and holds/files more than 10 patents in US, Singapore and China Thomas S. Huang received his Sc.D. from MIT in 1963. He is William L. Everitt Distinguished Professor in the University of Illinois Department of Electrical and Computer Engineering and the Coordinated Science Lab (CSL); and a full-time faculty member in the Beckman Institute Image Formation and Processing and Artificial Intelligence groups. His professional interests are computer vision, image compression and enhancement, pattern recognition, and multimodal signal processing. He is a Member of the National Academy of Engineering, a Foreign Member of the Chinese Academies of Engineering and Sciences, and a Fellow of IAPR and OSA, and has received a Guggenheim Fellowship, an A.V. Humboldt Foundation Senior U.S. Scientist Award, and a Fellowship from the Japan Association for the Promotion of Science. He received the IEEE Signal Processing Society s Technical Achievement Award in 1987 and the Society Award in 1991. He was awarded the IEEE Third Millennium Medal in 2000. Tiejun Huang (M 01) received the BSc and MSc degrees from the Department of Automation, Wuhan University of Technology in 1992, and the PhD degree from the School of Information Technology & Engineering, Huazhong University of Science and Technology, China, in 1999. He was a postdoctorial researcher from 1999 to 2001 and a research faculty member at the Institute of Computing Technology, Chinese Academy of Sciences. He was also the associated director (from 2001 to 2003) and the director (from 2003 to 2006) of the Research Center for Digital Media in Graduate School at the Chinese Academy of Sciences. He is currently an associate professor in the School of Electronics Engineering and Computer Science, Peking University. His research interests include digital media technology, digital library, and digital rights management. He is a member of the IEEE. David W. Jacobs received the B.A. degree from Yale University in 1982. From 1982 to 1985 he worked for Control Data Corporation on the development of data base management systems, and attended graduate school in computer science at New York University. From 1985 to 1992 he attended M.I.T., where he received M.S. and Ph.D. degrees in computer science. From 1992 to 2002 he was a Research Scientist and then a Senior Research Scientist at the NEC Research Institute in Princeton, New Jersey. In 1998 he spent a sabbatical at the Royal Institute of Technology (KTH) in Stockholm. Since 2002, he has been an Associate Professor of computer science at the University of Maryland, College Park. 517
Shuqiang Jiang (M 07) received the MSc degree from College of Information Science and Engineering, Shandong University of Science and Technology in 2000, and the PhD degree from the Institute of Computing Technology, Chinese Academy of Sciences in 2005. He is currently a faculty member at Digital Media Research Center, Institute of Computing Technology, Chinese Academy of Sciences. His research interests include multimedia processing and semantic understanding, pattern recognition, and computer vision. He has published over 50 technical papers in the area of multimedia. Aggelos K. Katsaggelos received the Diploma degree in electrical and mechanical engineering from the Aristotelian University of Thessaloniki, Greece, in 1979 and the M.S. and Ph.D. degrees both in electrical engineering from the Georgia Institute of Technology, in 1981 and 1985, respectively. He is currently Professor of EECS at Northwestern University, and the director of the Motorola Center for Seamless Communications. He is the editor of Digital Image Restoration (Springer-Verlag 1991), coauthor of Rate-Distortion Based Video Compression (Kluwer 1997), co-editor of Recovery Techniques for Image and Video Compression and Transmission, (Kluwer 1998), co-author of the books Super-Resolution of Images and Video and Joint Source-Channel Video Transmission (both Morgan & Claypool Publishers 2007). He is a Fellow of the IEEE (1998), and the recipient of the IEEE Third Millennium Medal (2000), the IEEE Signal Processing Society Meritorious Service Award (2001), an IEEE Signal Processing Society Best Paper Award (2001), and an IEEE ICME Best Poster Paper Award (2006). Arun Kulkarni, Professor of Computer Science, has been with The University of Texas at Tyler since 1986. His areas of interest include soft computing, database systems, data mining, artificial intelligence, computer vision, image processing, and pattern recognition. He has more than sixty refereed papers to his credit, and he has authored two books. His awards include the 2005-2006 President s Scholarly Achievement Award, 2001-2002 Chancellor s Council Outstanding Teaching award, 1999-2000 Alpha Chi Outstanding Faculty Member, 1997 NASA/ASEE Summer Faculty Fellowship award, 1997 Piper award nominee for The University of Texas at Tyler, and the 1984 Fulbright Fellowship award. He has been listed in who s who in America. He has been a software developer for twenty years, and has developed a variety of software packages. He has successfully completed eight research grants during the past ten years. Dr. Kulkarni obtained his Ph.D. from the Indian Institute of Technology, Bombay, and was a post-doctoral fellow at Virginia Tech. Juliusz L. Kulikowski received MSc degree in electronic engineering from the Warsaw Technical University in 1955, CandSc degree from the Moscow Higher School of Technology in 1959, DSc degree from the Warsaw Technical University in 1966. Since 1966 he was a scientific worker in several Institutes of the Polish Academy of Sciences, since 1981 in the Institute of Biocybernetics and Biomedical Engineering PAS in Warsaw. Nominated professor in 1973. He published more than 200 papers in information sciences, signals detection in noise, image processing methods, artificial intelligence, application of computers in medicine and 8 books and monographs in these domains. He is the Editor in Chief of a scientific quarterly Computer Graphics & Vision, a member of IFIP TC13 on Human-Computer Interaction, of IFAC TC on Stochastic Systems, a Chairman of Polish National Committee for cooperation with the Committee of Data for Science and Technology CODATA. Sébastien Lefevre received in 1999 the M.Sc. and Eng. degrees in Computer Engineering from the University of Technology of Compiègne, France, and in 2002 the Ph.D. degree in Computer Sci- 518
ence from the University of Tours, France. He is currently an Assistant Professor in the Department of Computer Science and the Image Sciences, Computer Sciences and Remote Sensing Laboratory - LSIIT, University Louis Pasteur, Strasbourg, France. From 1999 to 2002 he was with AtosOrigin as a Research and Development Engineer. In 2003, he was with the Polytechnical School of the University of Tours as an Assistant Professor. His research interests are related to mathematical morphology and its applications to content-based image and video indexing, color image and video analysis, multispectral and multitemporal image processing. Xirong Li received his B.S. and M.S. both in Computer Science from Tsinghua University, in 2005 and 2007. He was an intern in Microsoft Research Asia from Oct. 2005 to Jun. 2007. He is currently a PhD. student in the Intelligent Systems Lab Amsterdam (ISLA) at University of Amsterdam. Zhu Li received the PhD degree in Electrical & Computer Engineering from Northwestern University, Evanston, USA, in 2004. He is an Assistant Professor with the Dept of Computing, Hong Kong Polytechnic University since 2008. He was with the Multimedia Research Lab (MRL), Motorola Labs, 2000~2008, where he was a Principal Staff Engineer. He is an IEEE Senior Member, and the elected Vice Chair (2008-2010) of the IEEE Multimedia Communication Technical Committee (MMTC). His research interests include subspace modeling and machine learning in biometrics, multimedia analysis and search, video coding and adaptation, optimization and distributed computing in multimedia networks and systems. He has 12 issued or pending US patents, 30+ publications in these areas. He received the Best Poster Paper Award at IEEE Int l Conf on Multimedia & Expo, 2006, and the DoCoMo Labs Innovative Paper Award (Best Paper) at IEEE Int l Conf on Image Processing, 2007. Haibin Ling received the B.S. degree in mathematics and the MS degree in computer science from Peking University, China, in 1997 and 2000, respectively, and the PhD degree from the University of Maryland, College Park, in computer science in 2006. From 2000 to 2001, he was an assistant researcher in the Multi-Model User Interface Group at Microsoft Research Asia. From 2006 to 2007, he worked as a postdoctoral scientist at the University of California Los Angeles. After that, he joined Siemens Corporate Research as a research scientist. Since fall 2008, he has been an Assistant Professor at Temple University. Dr. Ling s research interests include computer vision, medical image analysis, human computer interaction, and machine learning. He received the Best Student Paper Award at the ACM Symposium on User Interface Software and Technology (UIST) in 2003. Hanqing Lu, professor of Institute of Automation, Chinese Academy of Sciences. He got his B.S. and M.S. from department of computer science and department of electric engineering in Harbin institute of technology in 1982 and 1985. He received his Ph.D. from department of electronic and information science in Huazhong University of sciences and technology. His current research interests include Image similarity measure, Video Analysis, Multimedia Technology and System and so on. He has published over peer-reviewed 200 papers in related journals and conferences. He was award by Second Award of National Nature Sciences, Second Award of CAS Nature Sciences and Third Award of Cultural Department of China. Wei-Ying Ma received the B.S. degree from the National Tsinghua University in Taiwan in 1990, and the M.S. and Ph.D. degrees from the University of California at Santa Barbara in 1994 and 1997, 519
respectively. He is a senior researcher and research manager in Microsoft Research Asia, where he has been leading a research group to conduct research in the areas of information retrieval, web search, data mining, mobile browsing, and multimedia management. He has published 5 book chapters and over 100 international journal and conference papers. Guo-Jun Qi received the B.S. degree from University of Science and Technology of China in Automation, Hefei, Anhui, China, in 2005. His research interests include computer vision, multimedia, and machine learning, especially content-based image/video retrieval, analysis, management and sharing. He has been the winner of the best paper award in the 15th ACM International Conference on Multimedia, Augsburg, Germany, 2007. He is now working in Internet Media Group at Microsoft Research Asia as a research intern. Mr. Qi is the student member of Association for Computing Machinery. Simon Ruszala was awarded a Distinction in MSc Industrial Computing from the Nottingham Trent University in 2005, after gaining a BSC (Hons) 1st in Computing Visualisation from the same university. A career change to telecommunications after graduation has led to him managing a team of engineers aiding the build of Vodafone UK s new core network. Interests in image retrieval and colour image analysis have led to a number of publications during and after university. Gerald Schaefer gained his PhD in Computer Vision from the University of East Anglia. He worked at the Colour & Imaging Institute, University of Derby as a Research Associate (1997-1999), as Senior Research Fellow at the School of Information Systems, University of East Anglia (2000-2001), and as Senior Lecturer in Computing at the School of Computing and Informaticcs at Nottingham Trent University (2001-2006). In 2006 he joined the School of Engineering and Applied Science at Aston University. His research interests include colour image analysis, physics-based vision, image retrieval, and image coding. He has published more than 150 papers in these areas. Chunmei Shi is currently working as a dentist in the People s Hospital of Guangxi, Nanning, China. Manuraj Singh Mr Manuraj Singh received his BEng in Engineering with First Class Distinction from Bangalore University, India in 1999. He is currently working as a System Analyst and Lecturer. He is also pursuing his study as MPhil student in School of Computer Science at Middlesex University. He is member of British Computer Society since 2004. His research includes mobile agents systems, data mining and semantic web. Yonghong Tian (S 02-M 05) received the MSc degree from the School of Computer Science, University of Electronic Science & Technology of China in 2000, and the PhD degree from the Institute of Computing Technology, Chinese Academy of Sciences in 2005. He is currently an associate professor in the School of Electronics Engineering and Computer Science, Peking University, China. His research interests include machine learning, data mining, semantic-based multimedia analysis, and retrieval. He has published over 40 technical papers in the area of multimedia and machine learning. He is a member of the IEEE. 520
Jinhui Tang is currently a postdoctoral research fellow in School of Computing, National University of Singapore. He received his B.E. and PhD degrees in July 2003 and July 2008 respectively, both from the University of Science and Technology of China. From Jun. 2006 to Feb. 2007, he worked as a research intern in Internet Media group at Microsoft Research Asia. And from Feb. 2008 to May 2008, he worked as a research intern in School of Computing at National University of Singapore. His current research interests include content-based image retrieval, video content analysis and pattern recognition. Dr. Tang is a member of ACM and a student member of IEEE. Kongqiao Wang received his Ph.D. in 1999 in signal and information processing from University of Science and Technology of China (USTC). Currently, he is the Visual Systems team leader at Nokia Research Center Beijing and a part-time professor at USTC. Kongqiao has received over 40 granted/ pending patents, published four book chapters, and authored or co-authored more than 40 conference and journal papers. His research interests include visual computing technologies, data mining and machine learning. Meng Wang is currently an Associate Researcher in Microsoft Research Asia. He received the B.E. degree in the Special Class for the Gifted Young and Ph.D. degree in the Department of Electronic Engineering and Information Science from the University of Science and Technology of China (USTC), Hefei, China, in 2003 and 2008, respectively. His current research interests include multimedia content analysis, computer vision and pattern recognition. Dr. Wang is a member of ACM. Xin-Jing Wang received her PhD degree from Tsinghua University in 2005. She is now an associate researcher in Microsoft Research Asia. Her primary research interests include image retrieval, image understanding, and pattern recognition. Ying Wu received the B.S. from Huazhong University of Science and Technology, Wuhan, China, in 1994, the M.S. from Tsinghua University, Beijing, China, in 1997, and the Ph.D. in electrical and computer engineering from the University f Illinois at Urbana-Champaign (UIUC), Urbana, Illinois, in 2001. In 2001, he joined the Department of ECE at Northwestern University, Evanston, Illinois, as an assistant professor where he is currently an associate professor of Electrical Engineering and Computer Science. His research interests include computer vision, image and video analysis, pattern recognition, machine learning, multimedia data mining, and human-computer interaction. He is an associate editor of SPIE Journal of Electronic Imaging and an associate editor of IAPR Journal of Machine Vision and Applications. He received the Robert T. Chien Award at UIUC in 2001, and the NSF CAREER award in 2003. He is a senior member of the IEEE. Rong Yan, Apostol Natsev, and Murray Campbell are with IBM Research. Junsong Yuan is currently a Ph.D candidate in Electrical Engineering and Computer Science department of the Northwestern University. His research interests include computer vision, multimedia data mining, and machine learning. During the summer of 2008, 2007 and 2006, he was a research intern with the Communication and Collaboration Systems group, Microsoft Research, Redmond, WA, Kodak Research Labs, Rochester, NY, and Motorola Labs, Schaumburg, IL, respectively. He received his M.Eng. from the National University of Singapore in 2005. From 2003 to 2004, he was a research 521
assistant in the Institute for Infocomm Research (I2R) in Singapore. He was enrolled in the Special Program for the Gifted Young of Huazhong University of Science and Technology and received his B.S. in Communication Engineering in 2002. He was awarded the national outstanding student and the Hu-Chunan fellowship in 2001, by the Ministry of Education in P.R.China. Yuan Yuan is currently a Lecturer at the Aston University, United Kingdom. She received her BEng degree from the University of Science and Technology of China and PhD degree from the University of Bath, United Kingdom. She published more than forty papers in journals and conferences on visual information processing, compression, retrieval etc. She is an associate editor of the International Journal of Image and Graphics (World Scientific). She was on program committees of several IEEE/ACM conferences. She is a reviewer for several IEEE transactions, other international journals and conferences. She is a member of the IEEE. Lei Zhang received his PhD degree from Tsinghua University in 2001. He is a researcher and a project lead in Microsoft Research Asia. His current research interests include search relevance ranking, web-scale image retrieval, social search, and photo management and sharing. He is a member of IEEE and a member of ACM. Huiyu Zhou received his BEng degree in radio technology from Huangzhong University of Science and Technology, P. R. China. He was awarded an MSc degree in biomedical engineering from the University of Dundee and recently the PhD degree in computer vision from Heriot-Watt University, Edinburgh, Scotland. Currently, he is a research fellow in Brunel University, UK. His research interests include computer vision, human motion analysis, intelligent systems and human-computer interface. Since 2002 he has more than 50 papers published in international and national journals and conferences. Shaohua Kevin Zhou received his Ph.D. degree in Electrical Engineering from University of Maryland at College Park in 2004. He then joined Siemens Corporate Research, Princeton, New Jersey, as a research scientist and currently he is a project manager. He has general research interests in signal/image/video processing, computer vision, pattern recognition, machine learning, and statistical inference and computing, with applications to biomedical image analysis (especially biomedical image context learning), biometrics and surveillance (especially face and gait recognition), etc. He has written two monographes: the lead author of the book entitled Unconstrained Face Recognition and a coauthor of the book entitled Recognition of Humans and Their Activities Using Video, edited a book on Analysis and Modeling of Faces and Gestures, published over 60 book chapters and peer-reviewed journal and conference papers, and possessed over 30 provisional and issued patents. He was identified as Siemens Junior Top Talent in 2006. 522