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학술지 Adaptive Pre-/Post-Filters for NRT-Based Stereoscopic Video Coding
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저자
이병탁, 이봉호, 최해철, 김진수, 윤국진, 정원식, 김재곤
발행일
201210
출처
ETRI Journal, v.34 no.5, pp.666-673
ISSN
1225-6463
출판사
한국전자통신연구원 (ETRI)
DOI
https://dx.doi.org/10.4218/etrij.12.0112.0182
협약과제
11PR3700, 지상파 양안식 3DTV 방송시스템 기술개발 및 표준화, 허남호
초록
Non-real-time delivery of stereoscopic video has been considered as a service scenario for 3DTV to overcome the limited bandwidth in the terrestrial digital television system. A hybrid codec combining MPEG-2 and H.264/AVC has been suggested for the compression of stereoscopic video for 3DTV. In this paper, we propose a stereoscopic video coding scheme using adaptive pre-/post-filters (APPF) to improve the quality of 3D video while retaining compatibility with legacy video coding standards. The APPF are applied adaptively to blocks of various sizes determined by the macroblock coding mode and reference frame index. Experiment results show that the proposed method achieves up to 24.86% bit rate savings relative to a hybrid codec of MPEG-2 and H.264/AVC including the inter-view prediction. © 2012 ETRI.
키워드
Adaptive loop filter (ALF), Non-real-time 3DTV, Stereoscopic video
KSP 제안 키워드
3D Video, Bit Rate, Experiment results, Limited bandwidth, MPEG-2, Real-time delivery, Reference frame, Stereoscopic Video, Television system, adaptive loop filter, coding scheme