Title :
Motion adaptive intra refresh for MPEG-4
Author :
Worrall, S.T. ; Sadka, A.H. ; Kondoz, A.M. ; Sweeney, P.
Author_Institution :
Centre for Commun. Syst. Res., Surrey Univ., Guildford, UK
fDate :
11/9/2000 12:00:00 AM
Abstract :
The sensitivity to error of a video bitstream often changes as the amount of motion within a scene changes. Taking this into account, a scheme that attempts to optimise error robustness by varying the amount of adaptive intra refresh blocks is presented. Simulation results demonstrate the benefits of the proposed technique
Keywords :
adaptive signal processing; code standards; coding errors; data compression; motion estimation; video coding; MPEG-4; adaptive intra refresh blocks; error robustness optimisation; error sensitivity; motion adaptive intra refresh; video bitstream;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:20001366
