KR20250053214A - 최대 변환 크기 제어 - Google Patents

최대 변환 크기 제어 Download PDF

Info

Publication number
KR20250053214A
KR20250053214A KR1020257011471A KR20257011471A KR20250053214A KR 20250053214 A KR20250053214 A KR 20250053214A KR 1020257011471 A KR1020257011471 A KR 1020257011471A KR 20257011471 A KR20257011471 A KR 20257011471A KR 20250053214 A KR20250053214 A KR 20250053214A
Authority
KR
South Korea
Prior art keywords
maximum
size
video sequence
transform size
maximum transform
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
KR1020257011471A
Other languages
English (en)
Korean (ko)
Inventor
신 자오
샹 리
산 류
Original Assignee
텐센트 아메리카 엘엘씨
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 텐센트 아메리카 엘엘씨 filed Critical 텐센트 아메리카 엘엘씨
Publication of KR20250053214A publication Critical patent/KR20250053214A/ko
Pending legal-status Critical Current

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
    • H04N19/12—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
    • H04N19/10—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
    • H04N19/169—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
    • H04N19/10—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
    • H04N19/188—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 video data packet, e.g. a network abstraction layer [NAL] unit
    • 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
    • H04N19/70—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

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)
KR1020257011471A 2019-03-04 2020-03-02 최대 변환 크기 제어 Pending KR20250053214A (ko)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US201962813665P 2019-03-04 2019-03-04
US62/813,665 2019-03-04
US16/804,547 2020-02-28
US16/804,547 US11159795B2 (en) 2019-03-04 2020-02-28 Max transform size control
PCT/US2020/020607 WO2020180769A1 (en) 2019-03-04 2020-03-02 Maximum transform size control
KR1020217017551A KR102795040B1 (ko) 2019-03-04 2020-03-02 최대 변환 크기 제어

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
KR1020217017551A Division KR102795040B1 (ko) 2019-03-04 2020-03-02 최대 변환 크기 제어

Publications (1)

Publication Number Publication Date
KR20250053214A true KR20250053214A (ko) 2025-04-21

Family

ID=72335564

Family Applications (2)

Application Number Title Priority Date Filing Date
KR1020257011471A Pending KR20250053214A (ko) 2019-03-04 2020-03-02 최대 변환 크기 제어
KR1020217017551A Active KR102795040B1 (ko) 2019-03-04 2020-03-02 최대 변환 크기 제어

Family Applications After (1)

Application Number Title Priority Date Filing Date
KR1020217017551A Active KR102795040B1 (ko) 2019-03-04 2020-03-02 최대 변환 크기 제어

Country Status (9)

Country Link
US (4) US11159795B2 (enExample)
EP (1) EP3935858A4 (enExample)
JP (2) JP7436482B2 (enExample)
KR (2) KR20250053214A (enExample)
CN (3) CN117499652A (enExample)
AU (5) AU2020233293B2 (enExample)
CA (1) CA3132312A1 (enExample)
SG (1) SG11202109477YA (enExample)
WO (1) WO2020180769A1 (enExample)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3918797A4 (en) * 2019-03-10 2023-01-25 HFI Innovation Inc. METHOD AND DEVICE FOR CALCULATION AND REPRESENTATION OF QUANTIZATION MATRICES FOR VIDEO CODING
WO2020189980A1 (ko) * 2019-03-15 2020-09-24 삼성전자주식회사 영상 부호화 방법 및 장치, 영상 복호화 방법 및 장치
WO2020197038A1 (ko) * 2019-03-22 2020-10-01 엘지전자 주식회사 영상 코딩 시스템에서 인트라 서브 파티션 기반의 인트라 예측 방법 및 장치
EP3989559B1 (en) * 2019-06-24 2025-04-16 Lg Electronics Inc. Image encoding/decoding method and apparatus using maximum transform size setting for chroma block, and method for transmitting bitstream
WO2020262992A1 (ko) * 2019-06-25 2020-12-30 한국전자통신연구원 영상 부호화/복호화 방법 및 장치
CN114145014B (zh) * 2019-07-19 2025-09-19 韦勒斯标准与技术协会公司 处理视频信号的方法和设备
JP7369273B2 (ja) 2019-07-26 2023-10-25 北京字節跳動網絡技術有限公司 ブロックサイズに基づくピクチャ分割モードの決定
CN119996692B (zh) * 2019-09-12 2026-06-12 阿里巴巴（中国）有限公司 视频编解码的计算机实现的方法及计算机可读存储介质
KR20220057630A (ko) * 2019-09-13 2022-05-09 인터디지털 브이씨 홀딩스 프랑스 에스에이에스 코딩 툴들과의 변환 크기 상호작용들
AU2020203330B2 (en) 2020-05-21 2022-12-01 Canon Kabushiki Kaisha Method, apparatus and system for encoding and decoding a block of video samples
EP4254949A1 (en) * 2022-03-31 2023-10-04 Beijing Xiaomi Mobile Software Co., Ltd. Encoding/decoding video picture partitionned in ctu grids

Family Cites Families (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007115293A (ja) * 2005-10-17 2007-05-10 Toshiba Corp 情報記憶媒体、プログラム、情報再生方法、情報再生装置、データ転送方法、及びデータ処理方法
KR101456498B1 (ko) * 2009-08-14 2014-10-31 삼성전자주식회사 계층적 부호화 단위의 스캔 순서를 고려한 비디오 부호화 방법 및 장치, 비디오 복호화 방법 및 장치
US9788019B2 (en) * 2011-03-09 2017-10-10 Hfi Innovation Inc. Method and apparatus of transform unit partition with reduced complexity
MX336707B (es) 2011-03-10 2016-01-28 Sharp Kk Metodo de decodificacion de video.
US20120243614A1 (en) * 2011-03-22 2012-09-27 Danny Hong Alternative block coding order in video coding
US9807426B2 (en) * 2011-07-01 2017-10-31 Qualcomm Incorporated Applying non-square transforms to video data
US20130016769A1 (en) * 2011-07-17 2013-01-17 Qualcomm Incorporated Signaling picture size in video coding
KR101857107B1 (ko) * 2011-10-19 2018-05-11 주식회사 케이티 영상 부호화/복호화 방법 및 그 장치
US9807401B2 (en) * 2011-11-01 2017-10-31 Qualcomm Incorporated Transform unit partitioning for chroma components in video coding
US9185405B2 (en) * 2012-03-23 2015-11-10 Qualcomm Incorporated Coded block flag inference in video coding
US9912944B2 (en) * 2012-04-16 2018-03-06 Qualcomm Incorporated Simplified non-square quadtree transforms for video coding
US9426466B2 (en) * 2012-06-22 2016-08-23 Qualcomm Incorporated Transform skip mode
US10021394B2 (en) * 2012-09-24 2018-07-10 Qualcomm Incorporated Hypothetical reference decoder parameters in video coding
US9615086B2 (en) 2013-02-06 2017-04-04 Research & Business Foundation Sungkyunkwan University Method and apparatus for intra prediction
KR101468078B1 (ko) * 2013-02-06 2014-12-08 성균관대학교산학협력단 화면 내 예측 방법 및 장치
EP3090541A4 (en) * 2013-12-30 2017-08-23 Qualcomm Incorporated Simplification of segment-wise dc coding of large prediction blocks in 3d video coding
EP3117616A4 (en) * 2014-03-13 2017-11-08 Qualcomm Incorporated Constrained depth intra mode coding for 3d video coding
US20160173906A1 (en) * 2014-12-11 2016-06-16 Intel Corporation Partition mode and transform size determination based on flatness of video
US10306229B2 (en) * 2015-01-26 2019-05-28 Qualcomm Incorporated Enhanced multiple transforms for prediction residual
US10440399B2 (en) * 2015-11-13 2019-10-08 Qualcomm Incorporated Coding sign information of video data
US20170150176A1 (en) * 2015-11-25 2017-05-25 Qualcomm Incorporated Linear-model prediction with non-square prediction units in video coding
CN109076222B9 (zh) * 2016-05-13 2021-10-15 索尼公司 图像处理装置和方法
US10779007B2 (en) * 2017-03-23 2020-09-15 Mediatek Inc. Transform coding of video data
KR101926017B1 (ko) * 2017-12-18 2018-12-06 삼성전자주식회사 계층적 부호화 단위의 크기에 따른 비디오 부호화 방법과 그 장치, 및 비디오 복호화 방법과 그 장치
US10812810B2 (en) * 2018-02-06 2020-10-20 Tencent America LLC Method and apparatus for video coding in merge mode
US10798382B2 (en) * 2018-04-26 2020-10-06 Tencent America LLC Sub-block transform
US10805624B2 (en) * 2018-07-16 2020-10-13 Tencent America LLC Determination of parameters of an affine model
US10798376B2 (en) * 2018-07-17 2020-10-06 Tencent America LLC Method and apparatus for video coding
US11128866B2 (en) * 2018-10-18 2021-09-21 Qualcomm Incorporated Scans and last coefficient position coding for zero-out transforms
US11356699B2 (en) * 2019-01-11 2022-06-07 Hfi Innovation Inc. Method and apparatus of sub-block deblocking in video coding
US11539952B2 (en) * 2019-03-12 2022-12-27 Qualcomm Incorporated Implicit transform selection in video coding
US11025937B2 (en) * 2019-03-16 2021-06-01 Tencent America LLC Method and apparatus for video coding
US11032543B2 (en) * 2019-03-22 2021-06-08 Tencent America LLC Method and apparatus for video coding
US11317116B2 (en) * 2019-03-26 2022-04-26 Tencent America LLC Method and apparatus for video coding

Also Published As

Publication number Publication date
CN113545091A (zh) 2021-10-22
JP2024050853A (ja) 2024-04-10
WO2020180769A1 (en) 2020-09-10
EP3935858A1 (en) 2022-01-12
AU2023203796A1 (en) 2023-07-13
AU2020233293B2 (en) 2023-03-16
KR102795040B1 (ko) 2025-04-15
KR20210088671A (ko) 2021-07-14
SG11202109477YA (en) 2021-09-29
AU2024204959A1 (en) 2024-08-08
JP7436482B2 (ja) 2024-02-21
AU2023203796B2 (en) 2024-05-02
AU2024204958A1 (en) 2024-08-08
EP3935858A4 (en) 2022-08-03
US12184854B2 (en) 2024-12-31
US11647192B2 (en) 2023-05-09
US20250106398A1 (en) 2025-03-27
CN117499653B (zh) 2026-05-29
AU2024204951B2 (en) 2026-04-02
CA3132312A1 (en) 2020-09-10
AU2024204951A1 (en) 2024-08-08
AU2020233293A1 (en) 2021-09-23
US20210409710A1 (en) 2021-12-30
CN117499653A (zh) 2024-02-02
US20230224462A1 (en) 2023-07-13
US20200288131A1 (en) 2020-09-10
CN117499652A (zh) 2024-02-02
JP2022511851A (ja) 2022-02-01
US11159795B2 (en) 2021-10-26
JP7790810B2 (ja) 2025-12-23
CN113545091B (zh) 2023-09-22

Similar Documents

Publication Publication Date Title
KR102934503B1 (ko) 개선된 암시적 변환 선택을 위한 방법 및 장치
KR102591265B1 (ko) 변환 스킵 모드와 다중 변환 선택 사이의 조화를 위한 방법 및 장치
KR102795040B1 (ko) 최대 변환 크기 제어
KR102775507B1 (ko) 비디오 인코딩 또는 디코딩을 위한 방법 및 장치
KR102410293B1 (ko) 비디오 시퀀스의 디코딩을 위한 방법 및 장치
KR102718217B1 (ko) 다중 라인 인트라 예측을 위한 인트라 보간 필터
KR102691332B1 (ko) 비디오 디코딩 또는 인코딩을 위한 방법 및 장치
KR102637503B1 (ko) 비디오 시퀀스의 디코딩 또는 인코딩을 위한 인트라-인터 예측 모드를 제어하기 위한 방법 및 장치
KR102680053B1 (ko) 유연한 트리 구조
KR20210068101A (ko) 단일-레벨 변환 분할 및 적응형 서브-블록 변환
KR102720029B1 (ko) 개선된 최고 확률 모드 리스트 생성 스킴
JP2026001106A (ja) デコーダが実行するビデオデコーディングのための方法及び装置、並びにエンコーダが実行するビデオエンコーディングのための方法
JP7271675B2 (ja) ビデオ復号の方法および装置、並びにプログラム
KR20200128142A (ko) 8-비트 변환 코어를 이용한 1차 변환을 위한 방법 및 장치
JP2025530337A (ja) ブロックをコーディングするためのイントラ予測モード導出
KR102496419B1 (ko) 비디오 코딩에서의 감소된 상위 라인 버퍼에 의한 인터 예측을 위한 방법 및 장치
RU2778250C1 (ru) Управление максимальным размером преобразования

Legal Events

Date Code Title Description
A107 Divisional application of patent
PA0104 Divisional application for international application

St.27 status event code: A-0-1-A10-A18-div-PA0104

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

PA0201 Request for examination

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

PG1501 Laying open of application

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