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CHI
2010
ACM
16 years 1 months ago
ViralVCD: tracing information-diffusion paths with low cost media in developing communities
We describe ViralVCD: a low cost method for tracing paths of information diffusion in developing communities using physical media. We instituted a participatory video framework fo...
Nithya Sambasivan, Ed Cutrell, Kentaro Toyama
IPCCC
2005
IEEE
16 years 13 days ago
Performance comparison of multiplexing techniques for MPEG-4 object-based content
A study of the performance of a number of different multiplexing schemes was conducted in the context of streaming of MPEG-4 object-based content, with particular emphasis on stre...
Seán Murphy, Stefan Goor, Liam Murphy
MIR
2004
ACM
110views Multimedia» more  MIR 2004»
16 years 8 days ago
Symbolic representation and retrieval of moving object trajectories
Searching moving object trajectories of video databases has been applied to many fields, such as video data analysis, content-based video retrieval, video scene classification. ...
Lei Chen 0002, M. Tamer Özsu, Vincent Oria
PAKDD
2009
ACM
171views Data Mining» more  PAKDD 2009»
15 years 11 months ago
Detecting Abnormal Events via Hierarchical Dirichlet Processes
Abstract. Detecting abnormal event from video sequences is an important problem in computer vision and pattern recognition and a large number of algorithms have been devised to tac...
Xian-Xing Zhang, Hua Liu, Yang Gao, Derek Hao Hu
MVA
2000
208views Computer Vision» more  MVA 2000»
15 years 6 months ago
Real-time multiple vehicle detection and tracking from a moving vehicle
A real-time vision system has been developed that analyzes color videos taken from a forward-looking video camera in a car driving on a highway. The system uses a combination of co...
Margrit Betke, Esin Haritaoglu, Larry S. Davis