TRECVID 2011 Runs and Detailed Results 

 Surveillance Event Detection - Participating Groups 
       BJTU-SED  Institute of Information Science, Beijing Jiaotong University
     BUPT-MCPRL  Multimedia Communication and Pattern Recognition Labs, Beijing U.of Posts and Telecom.
            CMU  Informedia Laboratory at Carnegie Mellon University
           CRIM  Centre de recherche informatique de Montreal
     IRDS-CASIA  National Laboratory of Pattern Recognition (NLPR), Chinese Academy of Sciences(CASIA)
        NHKSTRL  NHK Science and Technical Research Laboratories
         PKUNEC  Insititute of Digital Media, Peking University and NEC labs, China
       TJUT-TJU  School of Computer and Communication Engineering, Tianjin University of Technology
TokyoTech-Canon  Tokyo Institute of Technology + Canon