CN114982232B - 编码装置、解码装置和程序产品 - Google Patents

编码装置、解码装置和程序产品

Info

Publication number
CN114982232B
CN114982232B CN202080093165.1A CN202080093165A CN114982232B CN 114982232 B CN114982232 B CN 114982232B CN 202080093165 A CN202080093165 A CN 202080093165A CN 114982232 B CN114982232 B CN 114982232B
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CN
China
Prior art keywords
transform
transformation
color difference
block
class
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202080093165.1A
Other languages
English (en)
Chinese (zh)
Other versions
CN114982232A (zh
Inventor
岩村俊辅
根本慎平
市谷敦郎
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Japan Broadcasting Corp
Original Assignee
Nippon Hoso Kyokai NHK
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Publication date
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Publication of CN114982232A publication Critical patent/CN114982232A/zh
Application granted granted Critical
Publication of CN114982232B publication Critical patent/CN114982232B/zh
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Classifications

    • 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

Landscapes

  • 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)
CN202080093165.1A 2019-12-26 2020-12-23 编码装置、解码装置和程序产品 Active CN114982232B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2019-235621 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 (2)

Publication Number Publication Date
CN114982232A CN114982232A (zh) 2022-08-30
CN114982232B true CN114982232B (zh) 2025-09-16

Family

ID=76574305

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202080093165.1A Active CN114982232B (zh) 2019-12-26 2020-12-23 编码装置、解码装置和程序产品

Country Status (4)

Country Link
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
CN105103547A (zh) * 2013-04-05 2015-11-25 三菱电机株式会社 彩色图像编码装置、彩色图像解码装置、彩色图像编码方法以及彩色图像解码方法

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
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
CN110100438B (zh) 2016-12-28 2022-04-15 索尼公司 图像处理装置和方法
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
CN105103547A (zh) * 2013-04-05 2015-11-25 三菱电机株式会社 彩色图像编码装置、彩色图像解码装置、彩色图像编码方法以及彩色图像解码方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
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 5th Meeting: Geneva, CH, 12–20 January 2017 Document: JVET-E0036》.2017,第1、2节. *

Also Published As

Publication number Publication date
JP7621975B2 (ja) 2025-01-27
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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