KR20210142642A - 비디오 코딩을 위한 확장된 다중 변환 선택 - Google Patents

비디오 코딩을 위한 확장된 다중 변환 선택 Download PDF

Info

Publication number
KR20210142642A
KR20210142642A KR1020217030566A KR20217030566A KR20210142642A KR 20210142642 A KR20210142642 A KR 20210142642A KR 1020217030566 A KR1020217030566 A KR 1020217030566A KR 20217030566 A KR20217030566 A KR 20217030566A KR 20210142642 A KR20210142642 A KR 20210142642A
Authority
KR
South Korea
Prior art keywords
transform
coding
codeword
transformation
current 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
KR1020217030566A
Other languages
English (en)
Korean (ko)
Inventor
힐미 에네스 에길메즈
바딤 세레긴
아미르 사이드
마르타 카르체비츠
Original Assignee
퀄컴 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 퀄컴 인코포레이티드 filed Critical 퀄컴 인코포레이티드
Publication of KR20210142642A publication Critical patent/KR20210142642A/ko
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
    • H04N19/60—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
    • H04N19/102—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
    • H04N19/60—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
    • H04N19/90—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)
KR1020217030566A 2019-04-05 2020-04-03 비디오 코딩을 위한 확장된 다중 변환 선택 Pending KR20210142642A (ko)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US201962830125P 2019-04-05 2019-04-05
US62/830,125 2019-04-05
US201962855398P 2019-05-31 2019-05-31
US62/855,398 2019-05-31
US16/838,553 2020-04-02
US16/838,553 US11240534B2 (en) 2019-04-05 2020-04-02 Extended multiple transform selection for video coding
PCT/US2020/026620 WO2020206286A1 (en) 2019-04-05 2020-04-03 Extended multiple transform selection for video coding

Publications (1)

Publication Number Publication Date
KR20210142642A true KR20210142642A (ko) 2021-11-25

Family

ID=72663297

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020217030566A Pending KR20210142642A (ko) 2019-04-05 2020-04-03 비디오 코딩을 위한 확장된 다중 변환 선택

Country Status (8)

Country Link
US (2) US11240534B2 (https=)
EP (1) EP3949399A1 (https=)
JP (1) JP7545410B2 (https=)
KR (1) KR20210142642A (https=)
CN (2) CN119865607A (https=)
BR (1) BR112021018855A2 (https=)
SG (1) SG11202109470VA (https=)
WO (1) WO2020206286A1 (https=)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024005614A1 (ko) * 2022-07-01 2024-01-04 엘지전자 주식회사 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체
WO2024080795A1 (ko) * 2022-10-12 2024-04-18 엘지전자 주식회사 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체
WO2024080797A1 (ko) * 2022-10-12 2024-04-18 엘지전자 주식회사 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체
WO2025116668A1 (ko) * 2023-11-30 2025-06-05 엘지전자 주식회사 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019004749A1 (ko) * 2017-06-28 2019-01-03 엘지전자 주식회사 비디오 압축을 위한 변환 커널의 저복잡도 연산을 수행하는 방법 및 장치
US11240534B2 (en) 2019-04-05 2022-02-01 Qualcomm Incorporated Extended multiple transform selection for video coding
AU2019232801A1 (en) 2019-09-17 2021-04-01 Canon Kabushiki Kaisha Method, apparatus and system for encoding and decoding a block of video samples
US11252410B2 (en) * 2019-06-11 2022-02-15 Tencent America LLC Method and apparatus for video coding
US11695960B2 (en) 2019-06-14 2023-07-04 Qualcomm Incorporated Transform and last significant coefficient position signaling for low-frequency non-separable transform in video coding
CN119484834A (zh) * 2019-06-19 2025-02-18 Lg 电子株式会社 图像编译中指示变换核集的信息的信令
US11949870B2 (en) 2019-06-21 2024-04-02 Qualcomm Incorporated Context modeling for low-frequency non-separable transformation signaling for video coding
US12126835B2 (en) * 2019-06-21 2024-10-22 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for non-separable transform selection in an encoder and decoder
US12316874B2 (en) * 2019-08-06 2025-05-27 Interdigital Ce Patent Holdings, Sas Secondary transform for video encoding and decoding
WO2021048077A1 (en) * 2019-09-13 2021-03-18 Interdigital Vc Holdings France, Sas Transform size interactions with coding tools
CN120281921A (zh) * 2019-09-16 2025-07-08 交互数字Ce专利控股有限公司 用于快速视频编码器的二次变换
WO2021054799A1 (ko) * 2019-09-21 2021-03-25 엘지전자 주식회사 변환에 기반한 영상 코딩 방법 및 그 장치
KR20220050202A (ko) * 2019-10-04 2022-04-22 엘지전자 주식회사 변환에 기반한 영상 코딩 방법 및 그 장치
EP4074036A4 (en) * 2019-12-12 2023-12-20 HFI Innovation Inc. METHODS AND APPARATUS FOR RESTRICTED SECONDARY TRANSFORMATION AND ASSOCIATED SIGNALING IN IMAGE CODING
US12095997B2 (en) * 2020-01-10 2024-09-17 Lg Electronics Inc. Transform-based image coding method and device for same
CN115668923A (zh) * 2020-05-27 2023-01-31 抖音视界有限公司 编解码视频中多重变换矩阵的指示
US11683490B2 (en) * 2020-09-10 2023-06-20 Tencent America LLC Context adaptive transform set
US11924471B2 (en) * 2020-11-12 2024-03-05 Qualcomm Incorporated Context-based transform index signaling in video coding
CN116325750A (zh) * 2021-08-30 2023-06-23 腾讯美国有限责任公司 用于具有自适应内核选项的二次变换的方法和装置
US12003731B2 (en) 2021-09-29 2024-06-04 Qualcomm Incorporated Adaptive determination of multiple transform candidates for video coding
US12452423B2 (en) * 2021-12-03 2025-10-21 Intel Corporation Low frequency non-separable transform and multiple transform selection deadlock prevention
CN114422782B (zh) * 2021-12-23 2023-09-19 北京达佳互联信息技术有限公司 视频编码方法、装置、存储介质及电子设备
CN118511519A (zh) * 2022-01-07 2024-08-16 联发科技股份有限公司 变换编解码的信号
WO2024158549A1 (en) * 2023-01-24 2024-08-02 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Determination of intra prediction mode for indexation into non-separable transform kernels
WO2024208638A1 (en) * 2023-04-06 2024-10-10 Interdigital Ce Patent Holdings, Sas Non-separable transforms for low delay applications
CN120391052A (zh) * 2023-11-28 2025-07-29 腾讯美国有限责任公司 将不可分离变换应用于帧间预测残差的系统和方法
US20250233992A1 (en) * 2024-01-12 2025-07-17 Tencent America LLC List construction and signaling of transform types and transform sets
WO2025209169A1 (en) * 2024-04-03 2025-10-09 Mediatek Inc. Methods and apparatus for low-frequency non-separable transform with multiple transform sets in a video coding system

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011016247A1 (ja) * 2009-08-06 2011-02-10 パナソニック株式会社 符号化方法、復号方法、符号化装置及び復号装置
US8063801B2 (en) * 2010-02-26 2011-11-22 Research In Motion Limited Encoding and decoding methods and devices using a secondary codeword indicator
US9215470B2 (en) * 2010-07-09 2015-12-15 Qualcomm Incorporated Signaling selected directional transform for video coding
KR102588425B1 (ko) * 2011-11-11 2023-10-12 지이 비디오 컴프레션, 엘엘씨 적응적 분할 코딩
US9667994B2 (en) * 2012-10-01 2017-05-30 Qualcomm Incorporated Intra-coding for 4:2:2 sample format in video coding
CN105580361A (zh) * 2013-09-27 2016-05-11 高通股份有限公司 用于深度帧内预测模式的残余译码
US10306229B2 (en) * 2015-01-26 2019-05-28 Qualcomm Incorporated Enhanced multiple transforms for prediction residual
US10491922B2 (en) 2015-09-29 2019-11-26 Qualcomm Incorporated Non-separable secondary transform for video coding
US10349085B2 (en) 2016-02-15 2019-07-09 Qualcomm Incorporated Efficient parameter storage for compact multi-pass transforms
US10448053B2 (en) * 2016-02-15 2019-10-15 Qualcomm Incorporated Multi-pass non-separable transforms for video coding
US10972733B2 (en) 2016-07-15 2021-04-06 Qualcomm Incorporated Look-up table for enhanced multiple transform
ES2988737T3 (es) * 2016-10-04 2024-11-21 B1 Institute Image Technology Inc Procedimiento y aparato de codificación/decodificación de datos de imagen
US11095893B2 (en) 2016-10-12 2021-08-17 Qualcomm Incorporated Primary transform and secondary transform in video coding
WO2019009129A1 (ja) * 2017-07-03 2019-01-10 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ 符号化装置、復号装置、符号化方法及び復号方法
CA3175176C (en) * 2017-08-04 2024-07-02 Guangdong Oppo Mobile Telecommunications Corp., Ltd. METHOD AND APPARATUS FOR CONFIGURING A TRANSFORMER FOR VIDEO COMPRESSION
US10863199B2 (en) 2018-03-26 2020-12-08 Qualcomm Incorporated Minimization of transform memory and latency via parallel factorizations
US10986340B2 (en) * 2018-06-01 2021-04-20 Qualcomm Incorporated Coding adaptive multiple transform information for video coding
US10986334B2 (en) * 2019-03-09 2021-04-20 Tencent America LLC Method and apparatus for video coding
US11616966B2 (en) * 2019-04-03 2023-03-28 Mediatek Inc. Interaction between core transform and secondary transform
US11240534B2 (en) 2019-04-05 2022-02-01 Qualcomm Incorporated Extended multiple transform selection for video coding

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024005614A1 (ko) * 2022-07-01 2024-01-04 엘지전자 주식회사 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체
WO2024080795A1 (ko) * 2022-10-12 2024-04-18 엘지전자 주식회사 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체
WO2024080797A1 (ko) * 2022-10-12 2024-04-18 엘지전자 주식회사 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체
WO2025116668A1 (ko) * 2023-11-30 2025-06-05 엘지전자 주식회사 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체

Also Published As

Publication number Publication date
WO2020206286A1 (en) 2020-10-08
US11683527B2 (en) 2023-06-20
JP7545410B2 (ja) 2024-09-04
US11240534B2 (en) 2022-02-01
JP2022526375A (ja) 2022-05-24
US20220030278A1 (en) 2022-01-27
EP3949399A1 (en) 2022-02-09
SG11202109470VA (en) 2021-10-28
CN119865607A (zh) 2025-04-22
US20200322636A1 (en) 2020-10-08
BR112021018855A2 (pt) 2021-11-30
CN113632472A (zh) 2021-11-09

Similar Documents

Publication Publication Date Title
US11683527B2 (en) Extended multiple transform selection for video coding
US10986340B2 (en) Coding adaptive multiple transform information for video coding
KR102455655B1 (ko) 비디오 코딩에서의 계수 도메인 블록 차동 펄스-코드 변조
KR20220020266A (ko) 비디오 코딩에서 저주파수 분리불가능한 변환을 위한 변환 및 마지막 유의 계수 위치 시그널링
KR20220162701A (ko) 비디오 코딩에서의 일반 제약 정보 신택스
KR20220008265A (ko) 비디오 코딩을 위한 제로-아웃 패턴들에 기초한 저 주파수 비 분리가능 변환 시그널링
WO2019135930A1 (en) Sign prediction in video coding
WO2018132710A1 (en) Coding video data using derived chroma mode
WO2020264325A1 (en) Combined inter and intra prediction mode for video coding
KR20210135245A (ko) 비디오 코딩에서의 암시적 변환 선택
KR20210129092A (ko) 비디오 코딩에서 팔레트 신택스를 위한 그룹화된 코딩
EP3824628A1 (en) Transform variations of multiple separable transform selection
KR20210103481A (ko) 비디오 코딩을 위한 트리-기반 변환 유닛 (tu) 파티션
KR20210055043A (ko) 비디오 코딩을 위한 메모리 소비가 감소된 적응적 루프 필터 파라미터들의 시간 예측
WO2020072928A1 (en) Intra block copy prediction restrictions in video coding
IL293448B1 (en) History-based motion vector contract constraint for a merger evaluation area
KR20220110757A (ko) 비디오 코딩에서의 다중 변환 선택 시그널링에 대한 계수 그룹 기반 제한
KR20240087720A (ko) 비디오 코딩을 위한 다수의 변환 후보들의 적응적 결정
KR20230080407A (ko) 최악의 경우의 복잡성 핸들링을 갖는 확장된 저-주파수 비-분리가능한 변환 (lfnst) 설계들
KR20220114548A (ko) 비디오 코딩에서 제로-아웃이 감소된 저주파수 비-분리형 변환 (lfnst)

Legal Events

Date Code Title Description
PA0105 International application

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

PG1501 Laying open of application

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

A201 Request for examination
D18-X000 Deferred examination requested

St.27 status event code: A-1-2-D10-D18-exm-X000

D19-X000 Deferred examination accepted

St.27 status event code: A-1-2-D10-D19-exm-X000

PA0201 Request for examination

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

D20-X000 Deferred examination resumed

St.27 status event code: A-1-2-D10-D20-exm-X000

D21 Rejection of application intended

Free format text: ST27 STATUS EVENT CODE: A-1-2-D10-D21-EXM-PE0902 (AS PROVIDED BY THE NATIONAL OFFICE)

PE0902 Notice of grounds for rejection

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

E13 Pre-grant limitation requested

Free format text: ST27 STATUS EVENT CODE: A-2-3-E10-E13-LIM-X000 (AS PROVIDED BY THE NATIONAL OFFICE)

E13-X000 Pre-grant limitation requested

St.27 status event code: A-2-3-E10-E13-lim-X000

P11 Amendment of application requested

Free format text: ST27 STATUS EVENT CODE: A-2-2-P10-P11-NAP-X000 (AS PROVIDED BY THE NATIONAL OFFICE)

P11-X000 Amendment of application requested

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

P13 Application amended

Free format text: ST27 STATUS EVENT CODE: A-2-2-P10-P13-NAP-X000 (AS PROVIDED BY THE NATIONAL OFFICE)

P13-X000 Application amended

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