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학술지 A Novel Post-Processing Algorithm for Parallel-Decoded U-HDTV Video Sequences
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저자
정승원, 윤여진, 최해철, Aldo W. Morales, 고성제
발행일
200912
출처
IEEE Transactions on Consumer Electronics, v.55 no.1, pp.185-190
ISSN
0098-3063
출판사
IEEE
DOI
https://dx.doi.org/10.1109/TCE.2009.4814433
협약과제
09MR4100, 차세대DTV핵심기술개발(표준화연계)-무안경개인형3D방송기술개발(계속), 김진웅
초록
Ultra-High Definition Television (U-HDTV) promises to offer a strong sense of reality to viewers by utilizing extremely high spatial and temporal resolution. In order to compress U-HDTV video sequences in a practical way, the video sequence is divided into sub-sequences and each sub-sequence is processed. However, the merged sequence of independently decoded sub-sequences inherently exhibits a distortion along the boundary of the sub-sequences, namely sub-sequence boundary distortion (SBD). In this paper, we first introduce a method to quantitatively measure the SBD. Then, we propose a post-processing algorithm that reduces the SBD. Experimental results indicate that the SBD is efficiently alleviated by the proposed post-processing algorithm. © 1975-2011 IEEE.
키워드
blocking artifact, post processing, subsequence boundary, ultra-high definition television (U-HDTV)
KSP 제안 키워드
Blocking artifacts, High definition television(HDTV), Merged sequence, Sense of reality, Sequence boundary, Spatial and temporal resolution, Sub-sequence, Ultra-high definition, post-processing algorithm, video sequences