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A Novel Post-Processing Algorithm for Parallel-Decoded U-HDTV Video Sequences

Authors
Jung, Seung-WonYoon, Yeo-JinChoi, HaechulMorales, Aldo W.Ko, Sung-Jea
Issue Date
Feb-2009
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Keywords
blocking artifact; post processing; sub-sequence boundary; ultra-high definition television (U-HDTV)
Citation
IEEE TRANSACTIONS ON CONSUMER ELECTRONICS, v.55, no.1, pp.185 - 190
Indexed
SCIE
SCOPUS
Journal Title
IEEE TRANSACTIONS ON CONSUMER ELECTRONICS
Volume
55
Number
1
Start Page
185
End Page
190
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/120666
DOI
10.1109/TCE.2009.4814433
ISSN
0098-3063
Abstract
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.(1)
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