KR102854715B1 - 인코딩 및 디코딩 방법들, 및 대응하는 디바이스들 - Google Patents

인코딩 및 디코딩 방법들, 및 대응하는 디바이스들

Info

Publication number
KR102854715B1
KR102854715B1 KR1020207014480A KR20207014480A KR102854715B1 KR 102854715 B1 KR102854715 B1 KR 102854715B1 KR 1020207014480 A KR1020207014480 A KR 1020207014480A KR 20207014480 A KR20207014480 A KR 20207014480A KR 102854715 B1 KR102854715 B1 KR 102854715B1
Authority
KR
South Korea
Prior art keywords
block
sub
transform coefficient
current
local template
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
KR1020207014480A
Other languages
English (en)
Korean (ko)
Other versions
KR20200090776A (ko
Inventor
파브리쓰 르레아넥
탕기 푸아리에
야 첸
Original Assignee
인터디지털 브이씨 홀딩스 인코포레이티드
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 인터디지털 브이씨 홀딩스 인코포레이티드 filed Critical 인터디지털 브이씨 홀딩스 인코포레이티드
Priority to KR1020257029059A priority Critical patent/KR20250135344A/ko
Publication of KR20200090776A publication Critical patent/KR20200090776A/ko
Application granted granted Critical
Publication of KR102854715B1 publication Critical patent/KR102854715B1/ko
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for 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
    • H04N19/102—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
    • H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • 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
    • H04N19/129—Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
    • 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
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • 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
    • H04N19/174—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 slice, e.g. a line of blocks or a group of blocks
    • 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
    • H04N19/18—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 set of transform coefficients
    • 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
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • 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
    • 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
    • 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
    • H04N19/70—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
    • H04N19/90—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
    • H04N19/96—Tree coding, e.g. quad-tree coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
KR1020207014480A 2017-11-23 2018-11-07 인코딩 및 디코딩 방법들, 및 대응하는 디바이스들 Active KR102854715B1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020257029059A KR20250135344A (ko) 2017-11-23 2018-11-07 인코딩 및 디코딩 방법들, 및 대응하는 디바이스들

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP17306628.3A EP3490253A1 (en) 2017-11-23 2017-11-23 Encoding and decoding methods and corresponding devices
EP17306628.3 2017-11-23
PCT/US2018/059579 WO2019103845A1 (en) 2017-11-23 2018-11-07 Encoding and decoding methods and corresponding devices

Related Child Applications (1)

Application Number Title Priority Date Filing Date
KR1020257029059A Division KR20250135344A (ko) 2017-11-23 2018-11-07 인코딩 및 디코딩 방법들, 및 대응하는 디바이스들

Publications (2)

Publication Number Publication Date
KR20200090776A KR20200090776A (ko) 2020-07-29
KR102854715B1 true KR102854715B1 (ko) 2025-09-04

Family

ID=60569848

Family Applications (2)

Application Number Title Priority Date Filing Date
KR1020257029059A Pending KR20250135344A (ko) 2017-11-23 2018-11-07 인코딩 및 디코딩 방법들, 및 대응하는 디바이스들
KR1020207014480A Active KR102854715B1 (ko) 2017-11-23 2018-11-07 인코딩 및 디코딩 방법들, 및 대응하는 디바이스들

Family Applications Before (1)

Application Number Title Priority Date Filing Date
KR1020257029059A Pending KR20250135344A (ko) 2017-11-23 2018-11-07 인코딩 및 디코딩 방법들, 및 대응하는 디바이스들

Country Status (7)

Country Link
US (1) US11695962B2 (enExample)
EP (2) EP3490253A1 (enExample)
JP (1) JP7398368B2 (enExample)
KR (2) KR20250135344A (enExample)
CN (2) CN118450119A (enExample)
IL (1) IL274657B2 (enExample)
WO (1) WO2019103845A1 (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11113846B2 (en) * 2018-08-31 2021-09-07 Hulu, LLC Coefficient context modeling in video coding
CN116389737B (zh) * 2019-03-11 2024-05-31 北京达佳互联信息技术有限公司 视频编解码中变换系数的编解码
US11202100B2 (en) * 2019-03-11 2021-12-14 Qualcomm Incorporated Coefficient coding for transform skip mode
CN118540483A (zh) * 2019-04-26 2024-08-23 松下电器（美国）知识产权公司 编码装置、解码装置和非暂时性计算机可读介质
KR102837564B1 (ko) * 2019-08-08 2025-07-22 엘지전자 주식회사 변환에 기반한 영상 코딩 방법 및 그 장치
CN110708552B (zh) * 2019-08-27 2021-12-31 杭州海康威视数字技术股份有限公司 解码方法、编码方法及装置
KR102887297B1 (ko) * 2019-08-31 2025-11-14 엘지전자 주식회사 영상 디코딩 방법 및 그 장치

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150172652A1 (en) * 2012-04-26 2015-06-18 Sony Corporation Mode-dependent coefficient scanning and directional transforms for different colour sampling formats
US20160353112A1 (en) * 2015-05-29 2016-12-01 Qualcomm Incorporated Coding data using an enhanced context-adaptive binary arithmetic coding (cabac) design

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002035854A1 (en) 2000-10-24 2002-05-02 Eyeball Networks Inc. Dct-based scalable video compression
JP4767992B2 (ja) 2002-06-06 2011-09-07 パナソニック株式会社 可変長符号化方法および可変長復号化方法
US7379608B2 (en) 2003-12-04 2008-05-27 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung, E.V. Arithmetic coding for transforming video and picture data units
KR101502495B1 (ko) * 2010-04-13 2015-03-13 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 유효성 맵 및 변환 계수 블록의 코딩
US8861599B2 (en) 2011-03-08 2014-10-14 Sony Corporation Context reduction for last transform position coding
JP5925884B2 (ja) * 2011-06-16 2016-05-25 ジーイー ビデオ コンプレッション エルエルシー エントロピー符号化におけるコンテキスト初期化
US9392301B2 (en) 2011-07-01 2016-07-12 Qualcomm Incorporated Context adaptive entropy coding for non-square blocks in video coding
KR101625548B1 (ko) * 2011-07-15 2016-05-30 구글 테크놀로지 홀딩스 엘엘씨 변환 계수 레벨 코딩을 위한 컨텍스트 모델링 기술들
CN104025600B (zh) 2012-01-03 2018-05-11 寰发股份有限公司 基于块的重要性图及重要性图群组旗标上下文选择的方法及装置
MY210111A (en) * 2012-01-20 2025-08-27 Ge Video Compression Llc Transform coefficient coding
JP2013192118A (ja) 2012-03-14 2013-09-26 Sharp Corp 算術復号装置、画像復号装置、算術符号化装置、および画像符号化装置
US9237344B2 (en) 2012-03-22 2016-01-12 Qualcomm Incorporated Deriving context for last position coding for video coding
US9124872B2 (en) 2012-04-16 2015-09-01 Qualcomm Incorporated Coefficient groups and coefficient coding for coefficient scans
CN105141966B (zh) * 2015-08-31 2018-04-24 哈尔滨工业大学 视频压缩中变换系数的上下文建模方法
US10616604B2 (en) * 2015-09-01 2020-04-07 Qualcomm Incorporated Coefficient level coding in video coding
WO2017041271A1 (en) * 2015-09-10 2017-03-16 Mediatek Singapore Pte. Ltd. Efficient context modeling for coding a block of data
US10440399B2 (en) * 2015-11-13 2019-10-08 Qualcomm Incorporated Coding sign information of video data
EP3306927A1 (en) 2016-10-05 2018-04-11 Thomson Licensing Encoding and decoding methods and corresponding devices

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150172652A1 (en) * 2012-04-26 2015-06-18 Sony Corporation Mode-dependent coefficient scanning and directional transforms for different colour sampling formats
US20160353112A1 (en) * 2015-05-29 2016-12-01 Qualcomm Incorporated Coding data using an enhanced context-adaptive binary arithmetic coding (cabac) design

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Yunfei Zheng et al., CE11 Mode Dependent Coefficient Scanning, JCT-VC of ITU-T and ISO/IEC. JCTVC-D393, 2011-01-20, pp. 1-4*

Also Published As

Publication number Publication date
KR20200090776A (ko) 2020-07-29
US20200382810A1 (en) 2020-12-03
WO2019103845A1 (en) 2019-05-31
US11695962B2 (en) 2023-07-04
JP7398368B2 (ja) 2023-12-14
CN111386702A (zh) 2020-07-07
IL274657A (en) 2020-06-30
EP3490253A1 (en) 2019-05-29
IL274657B2 (en) 2024-04-01
IL274657B1 (en) 2023-12-01
KR20250135344A (ko) 2025-09-12
EP3714599A1 (en) 2020-09-30
CN111386702B (zh) 2024-06-11
JP2021504996A (ja) 2021-02-15
CN118450119A (zh) 2024-08-06

Similar Documents

Publication Publication Date Title
JP7434422B2 (ja) 符号化方法、復号方法、および対応するデバイス
KR102854715B1 (ko) 인코딩 및 디코딩 방법들, 및 대응하는 디바이스들
EP3439305B1 (en) Decoding of position of last significant coefficient
DK2839645T3 (en) COEFFICIENT GROUPS AND COEFFICIENT CODING FOR COEFFICIENT SCANNING
KR102416958B1 (ko) 픽처 데이터와 관련된 신택스 요소를 나타내는 이진 심볼들의 시퀀스를 컨텍스트 적응 이진 산술 코딩하기 위한 방법 및 디바이스
EP3020194A1 (en) Intra motion compensation extensions
WO2013056097A1 (en) Coding non-symmetric distributions of data
JP7679532B2 (ja) ビデオコード化のための残差コード化における通常のビンの柔軟な割り当て
US12355996B2 (en) Encoding and decoding methods and corresponding devices
EP3484150A1 (en) Methods and devices for picture encoding and decoding
HK40003889B (en) Decoding of position of last significant coefficient
HK40003889A (en) Decoding of position of last significant coefficient
HK1197951B (en) Context optimization for last significant coefficient position coding
HK1197951A (en) Context optimization for last significant coefficient position coding

Legal Events

Date Code Title Description
PA0105 International application

St.27 status event code: A-0-1-A10-A15-nap-PA0105

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

PG1501 Laying open of application

St.27 status event code: A-1-1-Q10-Q12-nap-PG1501

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

PA0201 Request for examination

St.27 status event code: A-1-2-D10-D11-exm-PA0201

PE0902 Notice of grounds for rejection

St.27 status event code: A-1-2-D10-D21-exm-PE0902

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

St.27 status event code: A-1-2-D10-D22-exm-PE0701

A16 Divisional, continuation or continuation in part application filed

Free format text: ST27 STATUS EVENT CODE: A-0-1-A10-A16-DIV-PA0104 (AS PROVIDED BY THE NATIONAL OFFICE)

PA0104 Divisional application for international application

St.27 status event code: A-0-1-A10-A16-div-PA0104

PR1002 Payment of registration fee

St.27 status event code: A-2-2-U10-U12-oth-PR1002

Fee payment year number: 1

U12 Designation fee paid

Free format text: ST27 STATUS EVENT CODE: A-2-2-U10-U12-OTH-PR1002 (AS PROVIDED BY THE NATIONAL OFFICE)

Year of fee payment: 1

PG1601 Publication of registration

St.27 status event code: A-4-4-Q10-Q13-nap-PG1601

Q13 Ip right document published

Free format text: ST27 STATUS EVENT CODE: A-4-4-Q10-Q13-NAP-PG1601 (AS PROVIDED BY THE NATIONAL OFFICE)

G15 Pta requested

Free format text: ST27 STATUS EVENT CODE: A-4-4-G10-G15-TAD-PA0102 (AS PROVIDED BY THE NATIONAL OFFICE)

PA0102 Application to register extension of term of patent right following delayed registration

St.27 status event code: A-4-4-G10-G15-tad-PA0102

Protection beyond ip right term event data comment text: Claim Total Quantity : 0, Period Limitation Text : 146