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학술지 Simplified Triangular Partitioning Mode in Versatile Video Coding
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저자
박도현, 이진호, 강정원, 김재곤
발행일
202002
출처
IEICE Transactions on Electronics, v.E103-D no.2, pp.472-475
ISSN
1745-1353
출판사
일본, 전자정보통신학회 (IEICE)
DOI
https://dx.doi.org/10.1587/transinf.2019EDL8084
협약과제
19HR2300, 초고실감 미디어 서비스 실현을 위해 HEVC/3DA 대비 2배 압축을 제공하는 5세대 비디오/오디오 표준 핵심 기술 개발 및 표준화, 강정원
초록
The emerging Versatile Video Coding (VVC) standard currently adopts Triangular Partitioning Mode (TPM) to make more flexible inter prediction. Due to the motion search and motion storage for TPM, the complexity of the encoder and decoder is significantly increased. This letter proposes two simplifications of TPM for reducing the complexity of the current design. One simplification is to reduce the number of combinations of motion vectors for both partitions to be checked. The method gives 4% encoding time decrease with negligible BD-rate loss. Another one is to remove the reference picture remapping process in the motion vector storage of TPM. It reduces the complexity of the encoder and decoder without a BD-rate change for the random-access configuration.
KSP 제안 키워드
Encoder and Decoder, Encoding time, Inter prediction, Motion Vector(MV), Random-Access configuration, Video coding, motion search, rate loss