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H.264의 FMO Performance Evaluation and Comparison over Packet-Lossy Networks  

Kim Won-Jung (넥스원퓨처 시스템연구소)
Lim Hye-Sook (이화여자대학교 공과대학 정보통신학과)
Yim Chang-Hoon (건국대학교 정보통신대학 인터넷미디어공학부)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.31, no.5C, 2006 , pp. 490-496 More about this Journal
Abstract
H.264 is the most recent video coding standard, containing improved error resilience tools than previous video compression schemes. This paper shows an analysis of the dependency of error concealment (EC) performance on the expected number of correctly received neighboring macroblock(MB)s for a lost MB, applying error concealment schemes to the raster scan mode that is used in the previous video coding standard and the flexible macroblock ordering (FMO) which is one of error-resilience tools in H.264. We also present simulation results and performance evaluation with various packet loss rates. Simulation results show that the FMO mode provides better EC performances of $1{\sim}9dB$ PSNR improvements compared to the raster scan mode because of larger expected number of correctly received neighboring MBs. The PSNR improvement by FMO mode becomes higher as the intra-frame period is larger and the packet loss rate is higher.
Keywords
H.264; flexible macroblock ordering; raster scan; dispersed mode; interleaved mode; packet loss; error concealment;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
연도 인용수 순위
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