CN114641995A - 对编码树单元进行编码和解码的方法、设备和系统 - Google Patents

对编码树单元进行编码和解码的方法、设备和系统 Download PDF

Info

Publication number
CN114641995A
CN114641995A CN202080077013.2A CN202080077013A CN114641995A CN 114641995 A CN114641995 A CN 114641995A CN 202080077013 A CN202080077013 A CN 202080077013A CN 114641995 A CN114641995 A CN 114641995A
Authority
CN
China
Prior art keywords
transform
chroma
coding unit
luma
block
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.)
Pending
Application number
CN202080077013.2A
Other languages
English (en)
Chinese (zh)
Inventor
克里斯托弗·詹姆斯·罗斯沃恩
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.)
Canon Inc
Original Assignee
Canon Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to CN202410614551.0A priority Critical patent/CN118573879A/zh
Priority to CN202410614556.3A priority patent/CN118573880A/zh
Priority to CN202410614558.2A priority patent/CN118573881A/zh
Publication of CN114641995A publication Critical patent/CN114641995A/zh
Pending legal-status Critical Current

Links

Images

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/119Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/186Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/136Incoming video signal characteristics or properties
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/129Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/12Selection 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/12Selection 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
    • H04N19/122Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/1883Methods 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 relating to sub-band structure, e.g. hierarchical level, directional tree, e.g. low-high [LH], high-low [HL], high-high [HH]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46Embedding additional information in the video signal during the compression process
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/96Tree coding, e.g. quad-tree coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/18Methods 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 set of transform coefficients

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)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
CN202080077013.2A 2019-12-03 2020-11-04 对编码树单元进行编码和解码的方法、设备和系统 Pending CN114641995A (zh)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN202410614551.0A CN118573879A (zh) 2019-12-03 2020-11-04 对编码单元进行编码和解码的方法、设备和存储介质
CN202410614556.3A CN118573880A (zh) 2019-12-03 2020-11-04 对编码单元进行编码和解码的方法、设备和存储介质
CN202410614558.2A CN118573881A (zh) 2019-12-03 2020-11-04 对编码单元进行编码和解码的方法、设备和存储介质

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AU2019275553A AU2019275553B2 (en) 2019-12-03 2019-12-03 Method, apparatus and system for encoding and decoding a coding tree unit
AU2019275553 2019-12-03
PCT/AU2020/051201 WO2021108834A1 (en) 2019-12-03 2020-11-04 Method, apparatus and system for encoding and decoding a coding tree unit

Related Child Applications (3)

Application Number Title Priority Date Filing Date
CN202410614558.2A Division CN118573881A (zh) 2019-12-03 2020-11-04 对编码单元进行编码和解码的方法、设备和存储介质
CN202410614556.3A Division CN118573880A (zh) 2019-12-03 2020-11-04 对编码单元进行编码和解码的方法、设备和存储介质
CN202410614551.0A Division CN118573879A (zh) 2019-12-03 2020-11-04 对编码单元进行编码和解码的方法、设备和存储介质

Publications (1)

Publication Number Publication Date
CN114641995A true CN114641995A (zh) 2022-06-17

Family

ID=76220915

Family Applications (4)

Application Number Title Priority Date Filing Date
CN202080077013.2A Pending CN114641995A (zh) 2019-12-03 2020-11-04 对编码树单元进行编码和解码的方法、设备和系统
CN202410614551.0A Pending CN118573879A (zh) 2019-12-03 2020-11-04 对编码单元进行编码和解码的方法、设备和存储介质
CN202410614558.2A Pending CN118573881A (zh) 2019-12-03 2020-11-04 对编码单元进行编码和解码的方法、设备和存储介质
CN202410614556.3A Pending CN118573880A (zh) 2019-12-03 2020-11-04 对编码单元进行编码和解码的方法、设备和存储介质

Family Applications After (3)

Application Number Title Priority Date Filing Date
CN202410614551.0A Pending CN118573879A (zh) 2019-12-03 2020-11-04 对编码单元进行编码和解码的方法、设备和存储介质
CN202410614558.2A Pending CN118573881A (zh) 2019-12-03 2020-11-04 对编码单元进行编码和解码的方法、设备和存储介质
CN202410614556.3A Pending CN118573880A (zh) 2019-12-03 2020-11-04 对编码单元进行编码和解码的方法、设备和存储介质

Country Status (6)

Country Link
US (2) US12075058B2 (https=)
JP (3) JP2023504332A (https=)
CN (4) CN114641995A (https=)
AU (2) AU2019275553B2 (https=)
TW (1) TWI821610B (https=)
WO (1) WO2021108834A1 (https=)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115834910A (zh) * 2022-11-24 2023-03-21 北京奇艺世纪科技有限公司 一种视频编码和解码方法、装置、电子设备及存储介质
CN116915858A (zh) * 2023-08-10 2023-10-20 东南大学 雾无线接入网中基于差分拆分的协作编码缓存方法
CN118338006A (zh) * 2023-01-11 2024-07-12 维沃移动通信有限公司 变换系数编码方法、变换系数解码方法及终端
WO2024222411A1 (en) * 2023-04-28 2024-10-31 Mediatek Inc. Entropy coding transform blocks

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11949873B2 (en) * 2019-11-11 2024-04-02 Lg Electronics Inc. Image coding method based on transform, and device therefor
KR20220066350A (ko) * 2019-11-13 2022-05-24 엘지전자 주식회사 변환에 기반한 영상 코딩 방법 및 그 장치
KR20220113369A (ko) * 2019-12-12 2022-08-12 소니그룹주식회사 화상 처리 장치 및 방법
US12368854B2 (en) * 2019-12-29 2025-07-22 Lg Electronics Inc. Transform-based image coding method and device for same
KR20220097519A (ko) * 2020-01-10 2022-07-07 엘지전자 주식회사 변환에 기반한 영상 코딩 방법 및 그 장치
US20220150518A1 (en) * 2020-11-11 2022-05-12 Tencent America LLC Method and apparatus for video coding
US11991360B2 (en) * 2021-08-30 2024-05-21 Tencent America LLC Method and apparatus for secondary transform with adaptive kernel options
US11930177B2 (en) 2021-10-29 2024-03-12 Tencent America LLC Primary transforms for cross-component level reconstruction

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104685872A (zh) * 2012-09-28 2015-06-03 佳能株式会社 对编码单位的变换单位编码和解码的方法、设备和系统
WO2019112394A1 (ko) * 2017-12-07 2019-06-13 한국전자통신연구원 채널들 간의 선택적인 정보 공유를 사용하는 부호화 및 복호화를 위한 방법 및 장치
KR20190067732A (ko) * 2017-12-07 2019-06-17 한국전자통신연구원 채널들 간의 선택적인 정보 공유를 사용하는 부호화 및 복호화를 위한 방법 및 장치
US20190306521A1 (en) * 2018-03-29 2019-10-03 Tencent America LLC Transform information prediction

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MX392688B (es) * 2016-05-13 2025-03-24 Sony Corp Aparato y metodo de procesamiento de imagenes.
CA3288654A1 (en) 2017-01-03 2025-11-29 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Image processing method and apparatus therefor
JP2021523627A (ja) 2018-05-10 2021-09-02 サムスン エレクトロニクス カンパニー リミテッド 映像の符号化及び復号のための映像の分割方法及びその装置
TWI814889B (zh) 2018-08-16 2023-09-11 大陸商北京字節跳動網絡技術有限公司 變換矩陣選擇的係數相關的編解碼
US11039139B2 (en) 2018-09-14 2021-06-15 Tencent America LLC Method and apparatus for identity transform in multiple transform selection
KR20220066350A (ko) * 2019-11-13 2022-05-24 엘지전자 주식회사 변환에 기반한 영상 코딩 방법 및 그 장치
CA3220041C (en) 2019-11-13 2025-11-18 Lg Electronics Inc. IMAGE CODING METHOD BASED ON A TRANSFORM AND ASSOCIATED DEVICE
BR112022009295A2 (pt) * 2019-11-13 2022-08-09 Lg Electronics Inc Método de codificação de imagem baseado em transformada e dispositivo para o mesmo
AU2019275552B2 (en) * 2019-12-03 2022-10-13 Canon Kabushiki Kaisha Method, apparatus and system for encoding and decoding a coding tree unit

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104685872A (zh) * 2012-09-28 2015-06-03 佳能株式会社 对编码单位的变换单位编码和解码的方法、设备和系统
CN108683914A (zh) * 2012-09-28 2018-10-19 佳能株式会社 对编码单位的变换单位编码和解码的方法
WO2019112394A1 (ko) * 2017-12-07 2019-06-13 한국전자통신연구원 채널들 간의 선택적인 정보 공유를 사용하는 부호화 및 복호화를 위한 방법 및 장치
KR20190067732A (ko) * 2017-12-07 2019-06-17 한국전자통신연구원 채널들 간의 선택적인 정보 공유를 사용하는 부호화 및 복호화를 위한 방법 및 장치
US20190306521A1 (en) * 2018-03-29 2019-10-03 Tencent America LLC Transform information prediction

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
BENJAMIN BROSS: "Versatile Video Coding (Draft 7)", 《JVET-P2001-VE》 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115834910A (zh) * 2022-11-24 2023-03-21 北京奇艺世纪科技有限公司 一种视频编码和解码方法、装置、电子设备及存储介质
CN118338006A (zh) * 2023-01-11 2024-07-12 维沃移动通信有限公司 变换系数编码方法、变换系数解码方法及终端
WO2024222411A1 (en) * 2023-04-28 2024-10-31 Mediatek Inc. Entropy coding transform blocks
CN116915858A (zh) * 2023-08-10 2023-10-20 东南大学 雾无线接入网中基于差分拆分的协作编码缓存方法

Also Published As

Publication number Publication date
CN118573880A (zh) 2024-08-30
CN118573879A (zh) 2024-08-30
AU2019275553B2 (en) 2022-10-06
JP2025157333A (ja) 2025-10-15
JP7712997B2 (ja) 2025-07-24
AU2019275553A1 (en) 2021-06-17
TWI821610B (zh) 2023-11-11
US20240373028A1 (en) 2024-11-07
JP2024026317A (ja) 2024-02-28
WO2021108834A1 (en) 2021-06-10
CN118573881A (zh) 2024-08-30
AU2022228209B2 (en) 2024-08-15
JP2023504332A (ja) 2023-02-03
US20230037302A1 (en) 2023-02-09
TW202139695A (zh) 2021-10-16
US12075058B2 (en) 2024-08-27
AU2022228209A1 (en) 2022-10-06

Similar Documents

Publication Publication Date Title
JP7712997B2 (ja) 符号化ユニットを復号および符号化する方法、装置およびプログラム
JP7695422B2 (ja) 画像を復号する方法、ビットストリームに画像を符号化する方法、復号装置、符号化装置、コンピュータプログラム
TWI784345B (zh) 用於將編碼樹單元編碼與解碼的方法、設備及系統
JP7780575B2 (ja) ビデオサンプルのブロックを符号化および復号する方法、装置、およびシステム
CN114365491A (zh) 用于编码和解码视频样本的块的方法、设备和系统
JP7615281B2 (ja) ビデオサンプルのブロックを符号化並びに復号するための方法、装置、及びシステム
JP7780618B2 (ja) ビデオサンプルのブロックを符号化並びに復号するための方法、装置、及びシステム
HK40115849A (zh) 对编码单元进行编码和解码的方法、设备和存储介质
HK40115583A (zh) 对编码单元进行编码和解码的方法、设备和存储介质
HK40115853A (zh) 对编码单元进行编码和解码的方法、设备和存储介质
HK40115584A (zh) 对编码单元进行编码和解码的方法、设备和存储介质
HK40116390A (zh) 对编码单元进行编码和解码的方法、设备和存储介质
HK40115587A (zh) 对编码单元进行编码和解码的方法、设备和存储介质
HK40123141A (zh) 从位流解码图像的方法和设备以及将图像编码在位流中的方法和设备
HK40120587A (zh) 从位流中解码变换块的解码设备和方法、将变换块编码在位流中的编码设备和方法、以及存储介质
HK40123731A (zh) 从位流中解码变换块的解码设备和方法、将变换块编码在位流中的编码设备和方法、以及存储介质
HK40123733A (zh) 从位流中解码变换块的解码设备和方法、将变换块编码在位流中的编码设备和方法、以及存储介质
HK40080942B (zh) 对视频样本块编码和解码的方法、设备和系统

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
AD01 Patent right deemed abandoned
AD01 Patent right deemed abandoned

Effective date of abandoning: 20241115