Block-matching-based implementation of affine motion estimation for HEVC

Material type: 文書・図像類

Author: Chihiro, TSUTAKEほか

Publisher: The Institute of Electronics, Information and Communication Engineers

Publication date: 2018-04

Material Format: Digital

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Note (General)：: Many of affine motion compensation techniques proposed thus far employ least-square-based techniques in estimating affine parameters, which requires a...

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Material Type: 文書・図像類
Title: Block-matching-based implementation of affine motion estimation for HEVC
Author/Editor: Chihiro, TSUTAKE
Toshiyuki, YOSHIDA
Author Heading: Chihiro, TSUTAKE
Toshiyuki, YOSHIDA
Publication, Distribution, etc.: The Institute of Electronics, Information and Communication Engineers
Publication Date: 2018-04
Publication Date (W3CDTF): 2018-04
Periodical title: IEICE Transactions on Information and Systems
No. or year of volume/issue: E101.D 4
Volume: E101.D
Issue: 4
Pages: 1151-1158
ISSN (Periodical Title): ISSN : 1745-1361
Text Language Code: eng
Subject Heading: H.265/HEVC
affine motion estimation/compensation
block matching
coding efficiency
computation cost
Target Audience: 一般
Note (General): Many of affine motion compensation techniques proposed thus far employ least-square-based techniques in estimating affine parameters, which requires a hardware structure different from conventional block-matching-based one. This paper proposes a new affine motion estimation/compensation framework friendly to block-matching-based parameter estimation, and applies it to an HEVC encoder to demonstrate its coding efficiency and computation cost. To avoid a nest of search loops, a new affine motion model is first introduced by decomposing the conventional 4-parameter affine model into two 3-parameter ones. Then, a block-matching-based fast parameter estimation technique is proposed for the models. The experimental results given in this paper show that our approach is advantageous over conventional techniques.
Access Restrictions: 限定公開
Rights (production): 〓 2018 The Institute of Electronics, Information and Communication Engineers
Related Material (DOI): 10.1587/transinf.2017EDP7201
Data Provider (Database): 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）
https://irdb.nii.ac.jp
Original Data Provider (Database): 福井大学 : 福井大学学術機関リポジトリ