JP7621975B2 - 符号化装置、復号装置、及びプログラム - Google Patents

符号化装置、復号装置、及びプログラム Download PDF

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Publication number
JP7621975B2
JP7621975B2 JP2021567581A JP2021567581A JP7621975B2 JP 7621975 B2 JP7621975 B2 JP 7621975B2 JP 2021567581 A JP2021567581 A JP 2021567581A JP 2021567581 A JP2021567581 A JP 2021567581A JP 7621975 B2 JP7621975 B2 JP 7621975B2
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type
transform
conversion
unit
block
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Japanese (ja)
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JPWO2021132404A1 (https=
JPWO2021132404A5 (https=
Inventor
俊輔 岩村
慎平 根本
敦郎 市ヶ谷
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Japan Broadcasting Corp
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Japan Broadcasting Corp
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/186—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a colour or a chrominance component
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46—Embedding additional information in the video signal during the compression process

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2021567581A 2019-12-26 2020-12-23 符号化装置、復号装置、及びプログラム Active JP7621975B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2019235621 2019-12-26
JP2019235621 2019-12-26
PCT/JP2020/048304 WO2021132404A1 (ja) 2019-12-26 2020-12-23 符号化装置、復号装置、及びプログラム

Publications (3)

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JPWO2021132404A1 JPWO2021132404A1 (https=) 2021-07-01
JPWO2021132404A5 JPWO2021132404A5 (https=) 2022-08-25
JP7621975B2 true JP7621975B2 (ja) 2025-01-27

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JP2021567581A Active JP7621975B2 (ja) 2019-12-26 2020-12-23 符号化装置、復号装置、及びプログラム

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US (1) US12081799B2 (https=)
JP (1) JP7621975B2 (https=)
CN (1) CN114982232B (https=)
WO (1) WO2021132404A1 (https=)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018123644A1 (ja) 2016-12-28 2018-07-05 ソニー株式会社 画像処理装置および方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4617644B2 (ja) * 2003-07-18 2011-01-26 ソニー株式会社 符号化装置及び方法
KR101791078B1 (ko) * 2010-04-16 2017-10-30 에스케이텔레콤 주식회사 영상 부호화/복호화 장치 및 방법
CN105791835A (zh) * 2011-06-23 2016-07-20 Jvc建伍株式会社 图像编码装置和图像编码方法
WO2014163200A1 (ja) * 2013-04-05 2014-10-09 三菱電機株式会社 カラー画像符号化装置、カラー画像復号装置、カラー画像符号化方法及びカラー画像復号方法
WO2017135759A1 (ko) * 2016-02-04 2017-08-10 삼성전자 주식회사 크로마 다중 변환에 의한 비디오 복호화 방법 및 장치, 크로마 다중 변환에 의한 비디오 부호화 방법 및 장치
KR20180001485A (ko) * 2016-06-24 2018-01-04 한국전자통신연구원 변환 기반의 영상 부호화/복호화 방법 및 장치
US10893286B2 (en) * 2018-10-09 2021-01-12 Tencent America LLC Methods and apparatus for low-complexity MTS

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018123644A1 (ja) 2016-12-28 2018-07-05 ソニー株式会社 画像処理装置および方法

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
Ling Li et al.，Non-CE6: Maximum TU size for chroma format 4:2:2 and 4:4:4，Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11，JVET-O0357-v3，15th Meeting: Gothenburg, SE，2019年07月，pp.1-4
Takeshi Tsukuba et al.，On Adaptive Multiple Core Transform for Chroma，Joint Video Exploration Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11，JVET-E0036，5th Meeting: Geneva, CH，2017年01月，pp.1-4
Takeshi Tsukuba, Masaru Ikeda and Teruhiko Suzuki，CE6: Chroma AMT (CE6.1.7.1)，Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11，JVET-K00121-v1，11th Meeting: Ljubljana, SI，2018年07月，pp.1-9

Also Published As

Publication number Publication date
CN114982232B (zh) 2025-09-16
CN114982232A (zh) 2022-08-30
WO2021132404A1 (ja) 2021-07-01
JPWO2021132404A1 (https=) 2021-07-01
US20220329863A1 (en) 2022-10-13
US12081799B2 (en) 2024-09-03

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