279 search results - page 28 / 56 » Watermarking of MPEG-4 Videos |
EMMCVPR
2007
Springer
14 years 1 months ago
2007
Springer
Video segmentation requires the partitioning of a series of images into groups that are both spatially coherent and smooth along the time axis. We formulate segmentation as a Bayes...
DDECS
2006
IEEE
14 years 1 months ago
2006
IEEE
—The impact of shared instruction memory on performance is measured and analyzed for an FPGAbased Multiprocessor System-on-Chip (MP-SoC) with an MPEG-4 video encoding application...
ICMCS
2006
IEEE
14 years 1 months ago
2006
IEEE
We examine the bit rate variability-distortion (VD) curve of I, P, and B frames of MPEG-4 VBR encoded video sequences. We show that the concave VD curve shape at high compression ...
ICMCS
2005
IEEE
14 years 1 months ago
2005
IEEE
Scalable shape encoding is an important requirement of highly scalable object-based video coding. In this paper, a new scalable vertex-based shape coding scheme is proposed that u...
ICIP
2004
IEEE
14 years 9 months ago
2004
IEEE
In this paper, we derive and evaluate theoretical ratedistortion performance bounds for scalable video compression algorithms which use a single motion-compensated prediction (MCP...