Sciweavers

827 search results - page 55 / 166
» On Compression of Encrypted Video
Sort
View
SAMT
2007
Springer
113views Multimedia» more  SAMT 2007»
14 years 2 months ago
Camera Motion Analysis Towards Semantic-Based Video Retrieval in Compressed Domain
To reduce the semantic gap between low-level visual features and the richness of human semantics, this paper proposes new algorithms, by virtue of the combined camera motion descri...
Ying Weng, Jianmin Jiang
TIP
1998
159views more  TIP 1998»
13 years 8 months ago
An optimal quadtree-based motion estimation and motion-compensated interpolation scheme for video compression
Abstract—In this paper, we propose an optimal quadtree (QT)based motion estimator for video compression. It is optimal in the sense that for a given bit budget for encoding the d...
Guido M. Schuster, Aggelos K. Katsaggelos
DICTA
2009
13 years 9 months ago
Video Surveillance: Legally Blind?
This paper shows that most surveillance cameras fall well short of providing sufficient image quality, in both spatial resolution and colour reproduction, for the reliable identifi...
Peter Kovesi
ICMCS
2006
IEEE
179views Multimedia» more  ICMCS 2006»
14 years 2 months ago
Optimizing Algorithms for Region-of-Interest Video Compression, with Application to Mobile Telehealth
Wireless communication of video poses constraints on information capacity. Region-of-Interest (ROI) video coding provides higher quality in the ROI, but poorer quality in the back...
Sira Rao, Nikil Jayant
ICIP
2003
IEEE
14 years 10 months ago
Towards a theory for video coding using distributed compression principles
Thispaper presents an information-theoreticstudy ofvideo codecs that are based on the principle of source coding with side information at the decoder In contrast to the classical ...
Prakash Ishwar, Vinod M. Prabhakaran, Kannan Ramch...