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학술지 Loss-Aware Rate-Distortion Optimization for Redundant Picture Allocation in H.264/AVC
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저자
이진호, 차지훈, 최진수, 최해철
발행일
201002
출처
Optical Engineering, v.49 no.2, pp.1-7
ISSN
0091-3286
출판사
SPIE
DOI
https://dx.doi.org/10.1117/1.3319760
협약과제
09MR4100, 차세대DTV핵심기술개발(표준화연계)-무안경개인형3D방송기술개발(계속), 김진웅
초록
A redundant picture is one of the H.264/AVC tools for increasing error resiliency when video is delivered over error prone environments. We present a loss-aware redundant picture allocation method that determines whether the redundant picture is inserted for each primary coded picture or not. The determination is based on an error rate of transmission network and the distortion of decoded picture caused by the error. Simulation results showed that the proposed method alleviates the distortion and, thereby, it achieves higher quality of the decoded picture than the conventional methods, including the hierarchical redundant picture. In particular, the proposed method produces outstanding results at low bit rates; thus, the method is highly applicable to low bitrate wireless video transmission. © 2010 Society of Photo-Optical Instrumentation Engineers.
키워드
Error resiliency, H.264/AVC, Lossaware rate-distortion optimization, Redundant picture, Video coding
KSP 제안 키워드
Allocation method, Conventional methods, Optical instrumentation, Rate-Distortion Optimization(RDO), Video coding, error rate, error resiliency, low bit rate, simulation results, transmission network, wireless video transmission