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Journal Article
Simplified Triangular Partitioning Mode in Versatile Video Coding
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- Authors
- Dohyeon PARK, Jinho LEE, Jung-Won KANG, Jae-Gon KIM
- Issue Date
- 2020-02
- Citation
- IEICE Transactions on Electronics, v.E103-D, no.2, pp.472-475
- ISSN
- 1745-1353
- Publisher
- 일본, 전자정보통신학회 (IEICE)
- Language
- English
- Type
- Journal Article
- Abstract
- 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 Keywords
- Encoder and Decoder, Motion Vector(MV), Random-Access configuration, encoding time, inter prediction, motion search, rate loss, video coding