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IEICE TRANSACTIONS on Electronics

An Efficient Reference Image Sharing Method for the Image-Division Parallel Video Encoding Architecture

Ken NAKAMURA, Yuya OMORI, Daisuke KOBAYASHI, Koyo NITTA, Kimikazu SANO, Masayuki SATO, Hiroe IWASAKI, Hiroaki KOBAYASHI

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Summary :

This paper proposes an efficient reference image sharing method for the image-division parallel video encoding architecture. This method efficiently reduces the amount of data transfer by using pre-transfer with area prediction and on-demand transfer with a transfer management table. Experimental results show that the data transfer can be reduced to 19.8-35.3% of the conventional method on average without major degradation of coding performance. This makes it possible to reduce the required bandwidth of the inter-chip transfer interface by saving the amount of data transfer.

Publication
IEICE TRANSACTIONS on Electronics Vol.E106-C No.6 pp.312-320
Publication Date
2023/06/01
Publicized
2022/11/29
Online ISSN
1745-1353
DOI
10.1587/transele.2022LHP0002
Type of Manuscript
Special Section PAPER (Special Section on Low-Power and High-Speed Chips)
Category

Authors

Ken NAKAMURA
  NTT Corporation,Graduate School of Information Sciences Tohoku University
Yuya OMORI
  NTT Corporation
Daisuke KOBAYASHI
  NTT Corporation
Koyo NITTA
  University of Aizu
Kimikazu SANO
  NTT Corporation
Masayuki SATO
  Graduate School of Information Sciences Tohoku University
Hiroe IWASAKI
  Graduate School of Information Sciences Tohoku University
Hiroaki KOBAYASHI
  Graduate School of Information Sciences Tohoku University

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