Title :
Bandwidth-constrained motion estimation for real-time mobile video application
Author :
Hsieh, Jui-Hung ; Chang, Tian-Sheuan
Author_Institution :
Dept. of Electron. Eng., Nat. Chiao-Tung Univ., Hsinchu, Taiwan
Abstract :
This paper addresses the memory bandwidth problem of motion estimation in resource limited mobile video applications by an integrated bandwidth rate distortion optimization framework. The simulation result shows up to 86% bandwidth saving while keeps equivalent rate-distortion (R-D) performance and meets real time target compared with H.264 reference software for low motion CIF size video. For high motion sequence, the result shows our algorithm could better allocate the available bandwidth for high motion macroblock without violating the real time constraint when search range is set to ±16.
Keywords :
bandwidth allocation; image sequences; mobile radio; motion estimation; optimisation; rate distortion theory; video coding; CIF size video; H.264; bandwidth constraint; memory bandwidth problem; motion estimation; motion macroblock; motion sequence; optimization; rate distortion; real-time mobile video; Algorithm design and analysis; Bandwidth; Encoding; Memory management; Mobile communication; Motion estimation; Strontium; H.264/AVC; Memory bandwidth; Motion estimation; Video coding;
Conference_Titel :
Digital Signal Processing (DSP), 2011 17th International Conference on
Conference_Location :
Corfu
Print_ISBN :
978-1-4577-0273-0
DOI :
10.1109/ICDSP.2011.6004921
