279 search results - page 9 / 56 » Watermarking of MPEG-4 Videos |
ISCAS
2005
IEEE
14 years 28 days ago
2005
IEEE
—In this paper, a new error concealment algorithm by recursive motion vector refinement is proposed. The proposed method utilizes the top/bottom motion vectors of lost MB in curr...
VCIP
2003
13 years 8 months ago
2003
The universal scalability, which integrates different types of scalabilities and consequently provides a large scaling range for each codec parameter, is of high interests to the ...
ICMCS
2005
IEEE
14 years 29 days ago
2005
IEEE
MPEG-4 Advanced Simple Profile video provides I, P, and B –type frames in each GOP (Group Of Pictures). To maximize the coding efficiency, it is important to determine the distr...
ICIP
2001
IEEE
14 years 9 months ago
2001
IEEE
Video coding is a complex process, comprising a combination of spatial, temporal and statistical data reduction techniques. Of these techniques, motion estimation taking advantage...
PCM
2004
Springer
14 years 21 days ago
2004
Springer
In MPEG-4 scalable video coding, only a small portion of input data is coded in the base layer, and most signal components remain in enhancement layers. In this paper, we propose a...