CN115088260A - 视频编解码方法和装置 - Google Patents

视频编解码方法和装置 Download PDF

Info

Publication number
CN115088260A
CN115088260A CN202180014507.0A CN202180014507A CN115088260A CN 115088260 A CN115088260 A CN 115088260A CN 202180014507 A CN202180014507 A CN 202180014507A CN 115088260 A CN115088260 A CN 115088260A
Authority
CN
China
Prior art keywords
transform
index
context
block
prediction mode
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
CN202180014507.0A
Other languages
English (en)
Chinese (zh)
Inventor
马杜·柏林加色·克里什南
赵欣
刘杉
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.)
Tencent America LLC
Original Assignee
Tencent America LLC
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 Tencent America LLC filed Critical Tencent America LLC
Priority to CN202511128952.6A priority Critical patent/CN120935359A/zh
Publication of CN115088260A publication Critical patent/CN115088260A/zh
Pending legal-status Critical Current

Links

Images

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
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • 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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/11—Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
    • 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
    • H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
    • 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
    • H04N19/134—Methods 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
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • 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
    • H04N19/184—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 bits, e.g. of the compressed video stream
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/625—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using discrete cosine transform [DCT]
    • 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
    • H04N19/70—Methods 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
    • 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
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • 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
    • H04N19/90—Methods 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
    • H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding

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)
CN202180014507.0A 2020-11-11 2021-06-29 视频编解码方法和装置 Pending CN115088260A (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202511128952.6A CN120935359A (zh) 2020-11-11 2021-06-29 视频编解码方法、装置和存储介质

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US202063112529P 2020-11-11 2020-11-11
US63/112,529 2020-11-11
US17/360,431 2021-06-28
US17/360,431 US11930186B2 (en) 2020-11-11 2021-06-28 Method and apparatus for video coding
PCT/US2021/039633 WO2022103444A1 (en) 2020-11-11 2021-06-29 Method and apparatus for video coding

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CN202511128952.6A Division CN120935359A (zh) 2020-11-11 2021-06-29 视频编解码方法、装置和存储介质

Publications (1)

Publication Number Publication Date
CN115088260A true CN115088260A (zh) 2022-09-20

Family

ID=81453773

Family Applications (2)

Application Number Title Priority Date Filing Date
CN202180014507.0A Pending CN115088260A (zh) 2020-11-11 2021-06-29 视频编解码方法和装置
CN202511128952.6A Pending CN120935359A (zh) 2020-11-11 2021-06-29 视频编解码方法、装置和存储介质

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN202511128952.6A Pending CN120935359A (zh) 2020-11-11 2021-06-29 视频编解码方法、装置和存储介质

Country Status (6)

Country Link
US (3) US11930186B2 (https=)
EP (1) EP4055828A4 (https=)
JP (2) JP7520328B2 (https=)
KR (1) KR20220100726A (https=)
CN (2) CN115088260A (https=)
WO (1) WO2022103444A1 (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024020117A1 (en) * 2022-07-19 2024-01-25 Google Llc Dependent context model for transform types
WO2024049024A1 (ko) * 2022-08-29 2024-03-07 현대자동차주식회사 1차 변환 커널에 적응적인 분리 불가능한 2차 변환 기반 비디오 코딩을 위한 방법 및 장치
US20250047849A1 (en) * 2023-08-02 2025-02-06 Tencent America LLC Methods and systems for signaling and performing secondary transforms
US20250233992A1 (en) * 2024-01-12 2025-07-17 Tencent America LLC List construction and signaling of transform types and transform sets

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104471934A (zh) * 2012-07-02 2015-03-25 三星电子株式会社 对视频进行熵编码的方法和设备以及对视频进行熵解码的方法和设备
CN109479138A (zh) * 2016-07-13 2019-03-15 韩国电子通信研究院 图像编码/解码方法和装置
WO2019194503A1 (ko) * 2018-04-01 2019-10-10 엘지전자 주식회사 분할된 블록에 2차 변환을 적용하여 비디오 신호를 처리하는 방법 및 장치
CN110546952A (zh) * 2017-03-21 2019-12-06 Lg电子株式会社 图像编码系统中的变换方法和用于该变换方法的设备
WO2020000016A1 (en) * 2018-06-29 2020-01-02 Canon Kabushiki Kaisha Method, apparatus and system for encoding and decoding a transformed block of video samples
CN111699694A (zh) * 2019-01-15 2020-09-22 Lg电子株式会社 使用变换跳变标志的图像编码方法和装置
WO2020191272A1 (en) * 2019-03-21 2020-09-24 Tencent America LLC Method and apparatus for video coding

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10681379B2 (en) 2015-09-29 2020-06-09 Qualcomm Incorporated Non-separable secondary transform for video coding with reorganizing
EP3629581A1 (en) 2015-10-13 2020-04-01 Samsung Electronics Co., Ltd. Method and device for encoding or decoding image
HRP20230521T1 (hr) 2018-06-03 2023-08-04 Lg Electronics Inc. Postupak i uređaj za obradu video signala pomoću smanjene transformacije
KR20250029279A (ko) * 2018-07-02 2025-03-04 광동 오포 모바일 텔레커뮤니케이션즈 코포레이션 리미티드 이차 변환을 기반으로 비디오 신호를 처리하는 방법 및 장치
JP2020053924A (ja) * 2018-09-28 2020-04-02 シャープ株式会社 動画像符号化装置、動画像復号装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104471934A (zh) * 2012-07-02 2015-03-25 三星电子株式会社 对视频进行熵编码的方法和设备以及对视频进行熵解码的方法和设备
CN109479138A (zh) * 2016-07-13 2019-03-15 韩国电子通信研究院 图像编码/解码方法和装置
CN110546952A (zh) * 2017-03-21 2019-12-06 Lg电子株式会社 图像编码系统中的变换方法和用于该变换方法的设备
WO2019194503A1 (ko) * 2018-04-01 2019-10-10 엘지전자 주식회사 분할된 블록에 2차 변환을 적용하여 비디오 신호를 처리하는 방법 및 장치
WO2020000016A1 (en) * 2018-06-29 2020-01-02 Canon Kabushiki Kaisha Method, apparatus and system for encoding and decoding a transformed block of video samples
CN111699694A (zh) * 2019-01-15 2020-09-22 Lg电子株式会社 使用变换跳变标志的图像编码方法和装置
WO2020191272A1 (en) * 2019-03-21 2020-09-24 Tencent America LLC Method and apparatus for video coding

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
A. NALCI等: "Non-CE6: An Improved Context Modeling for LFNST", JOINT VIDEO EXPERTS TEAM (JVET) OF ITU-T SG 16 WP 3 AND ISO/IEC JTC 1/SC 29/WG 11-JVET-O0373-V2, 9 July 2019 (2019-07-09), pages 1 - 3 *
B. BROSS等: "Versatile Video Coding (Draft 5)", JOINT VIDEO EXPERTS TEAM (JVET) OF ITU-T SG 16 WP 3 AND ISO/IEC JTC 1/SC 29/WG 11-JVET-N1001-V10, 2 July 2019 (2019-07-02), pages 9 *
XIN ZHAO等: "UNIFIED SECONDARY TRANSFORM FOR INTRA CODING BEYOND AV1", 2020 IEEE INTERNATIONAL CONFERENCE ON IMAGE PROCESSING(ICIP), 30 September 2020 (2020-09-30), pages 3393 - 3397, XP093007669, DOI: 10.1109/ICIP40778.2020.9191190 *

Also Published As

Publication number Publication date
US20220150510A1 (en) 2022-05-12
US11930186B2 (en) 2024-03-12
JP7520328B2 (ja) 2024-07-23
JP2023513772A (ja) 2023-04-03
JP7817307B2 (ja) 2026-02-18
US12452433B2 (en) 2025-10-21
CN120935359A (zh) 2025-11-11
US20260032259A1 (en) 2026-01-29
US20240163455A1 (en) 2024-05-16
EP4055828A1 (en) 2022-09-14
KR20220100726A (ko) 2022-07-15
JP2024074928A (ja) 2024-05-31
EP4055828A4 (en) 2023-03-08
WO2022103444A1 (en) 2022-05-19

Similar Documents

Publication Publication Date Title
US11800126B2 (en) Video encoding using a directional mode and a non-separable transform
US12113990B2 (en) Method and apparatus for video coding
CN115104308B (zh) 视频编解码的方法、装置和存储介质
CN113597763A (zh) 视频编解码的方法及装置
JP7817307B2 (ja) ビデオコーディングのための方法および装置
KR20230106688A (ko) 적응적 다중 변환 세트 선택
CN115769577A (zh) 具有子空间约束的正交变换生成
CN115486077B (zh) 用于对视频数据进行解码的方法、设备及程序介质
CN115769575B (zh) 视频解码的方法、计算机装置、设备及存储介质
US12526452B2 (en) Quantizer for one-dimensional transform skip
HK40073788A (en) Video encoding and decoding method and apparatus
HK40083592A (en) Method, computer apparatus, device and storage medium for video decoding
CN117044203A (zh) 用于一维变换跳过的eob的信令
HK40083592B (zh) 视频解码的方法、计算机装置、设备及存储介质

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
REG Reference to a national code

Ref country code: HK

Ref legal event code: DE

Ref document number: 40073788

Country of ref document: HK