827 search results - page 149 / 166 » On Compression of Encrypted Video |
ICIP
2002
IEEE
14 years 10 months ago
2002
IEEE
The spatial resolution of the human visual system (HVS) decreases rapidly away from the point of fixation (foveation point). By exploiting this fact, we propose a watermarking app...
ICPR
2006
IEEE
14 years 9 months ago
2006
IEEE
The quantization parameter (QP) has a very important impact on the compression rate in H.264. In this paper we show that in order to achieve efficient rate-control coding a good e...
ICCSA
2007
Springer
14 years 2 months ago
2007
Springer
The H.264/AVC provides gains in compression efficiency of up to 50% over a wide range of bit rates and video resolutions compared to previous standards. However, these features inc...
DFT
2005
IEEE
14 years 2 months ago
2005
IEEE
We propose a novel system-level error tolerance approach specifically targeted for multimedia compression algorithms. In particular we focus on the motion estimation process perf...
ICIP
2003
IEEE
14 years 1 months ago
2003
IEEE
Automatic facial feature extraction is one of the most important and attempted problems in computer vision. It is a necessary step in face recognition, facial image compression an...