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CVPR
2009
IEEE
17 years 2 months ago
Observe Locally, Infer Globally: a Space-Time MRF for Detecting Abnormal Activities with Incremental Updates
We propose a space-time Markov Random Field (MRF) model to detect abnormal activities in video. The nodes in the MRF graph correspond to a grid of local regions in the video fra...
Jaechul Kim (University of Texas at Austin), Krist...
CVPR
2003
IEEE
16 years 9 months ago
Subset Selection for Efficient SVM Tracking
We update the SVM score of an object through a video sequence with a small and variable subset of support vectors. In the first frame we use all the support vectors to compute the...
Shai Avidan
ICIP
2006
IEEE
16 years 8 months ago
Free-View Watermarking for Free-View Television
The recent advances in Image Based Rendering (IBR) has pioneered a new technology, free-view television, in which TVviewers select freely the viewing position and angle by the app...
Alper Koz, Cevahir Cigla, A. Aydin Alatan
CSCW
2000
ACM
15 years 11 months ago
Designing presentations for on-demand viewing
Increasingly often, presentations are given before a live audience, while simultaneously being viewed remotely and recorded for subsequent viewing on-demand over the Web. How shou...
Liwei He, Jonathan Grudin, Anoop Gupta
IAJIT
2010
150views more  IAJIT 2010»
15 years 5 months ago
Optimal DSP Based Integer Motion Estimation Implementation for H.264/AVC Baseline Encoder
: The coding gain of the H.264/AVC video encoder mainly comes from the new incorporated prediction tools. However, their enormous computation and ultrahigh memory bandwidth are the...
Imen Werda, Haithem Chaouch, Amine Samet, Mohamed ...