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» On Compression of Encrypted Video
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ICIP
2004
IEEE
14 years 10 months ago
A hidden markov model framework for traffic event detection using video features
We present a novel approach for highway traffic event detection. Our algorithm extracts features directly from the compressed video and automatically detects traffic events using ...
Xiaokun Li, Fatih Murat Porikli
ICIP
2003
IEEE
14 years 10 months ago
Variance-aware distortion estimation for wireless video communications
Tie problem of encoding and transmitting a video sequence over a wireless channel is considered. Our objective is to minimize the end-to-end didortimi while using a limited amount...
Yiftach Eisenberg, Fan Zhai, Carlos E. Luna, Thras...
CISS
2007
IEEE
14 years 3 months ago
Video Sensor Node for Low-Power Ad-hoc Wireless Networks
A video sensor platform consisting of a smart image sensor with focal plane motion processing is presented. The camera node is intended for ultra-low bandwidth ad-hoc wireless netw...
Yu M. Chi, Ralph Etienne-Cummings, Gert Cauwenberg...
ICC
2007
IEEE
156views Communications» more  ICC 2007»
14 years 3 months ago
Adaptive Error-Resilience Transcoding and Fairness Grouping for Video Multicast Over Wireless Networks
—In this paper, we present a two-pass intra-refresh transcoder for on-the-fly enhancing error resilience of a compressed video in a three-tier streaming system. Furthermore, we c...
Chih-Ming Chen, Chia-Wen Lin, Yung-Chang Chen
MIR
2004
ACM
242views Multimedia» more  MIR 2004»
14 years 2 months ago
Content based access for a massive database of human observation video
We present in this paper a CBIR system for use in a psychological study of the relationship between human movement and Dyslexia. The system allows access to up to 500 hours of vid...
Laurent Joyeux, Erika Doyle, Hugh Denman, Andrew C...