KR102795040B1 - 최대 변환 크기 제어 - Google Patents

최대 변환 크기 제어 Download PDF

Info

Publication number
KR102795040B1
KR102795040B1 KR1020217017551A KR20217017551A KR102795040B1 KR 102795040 B1 KR102795040 B1 KR 102795040B1 KR 1020217017551 A KR1020217017551 A KR 1020217017551A KR 20217017551 A KR20217017551 A KR 20217017551A KR 102795040 B1 KR102795040 B1 KR 102795040B1
Authority
KR
South Korea
Prior art keywords
maximum
video sequence
size
sbt
transform size
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
KR1020217017551A
Other languages
English (en)
Korean (ko)
Other versions
KR20210088671A (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
Priority to KR1020257011471A priority Critical patent/KR20250053214A/ko
Publication of KR20210088671A publication Critical patent/KR20210088671A/ko
Application granted granted Critical
Publication of KR102795040B1 publication Critical patent/KR102795040B1/ko
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H04N19/12—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)
KR1020217017551A 2019-03-04 2020-03-02 최대 변환 크기 제어 Active KR102795040B1 (ko)

Priority Applications (1)

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

Applications Claiming Priority (5)

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

Related Child Applications (1)

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

Publications (2)

Publication Number Publication Date
KR20210088671A KR20210088671A (ko) 2021-07-14
KR102795040B1 true KR102795040B1 (ko) 2025-04-15

Family

ID=72335564

Family Applications (2)

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

Family Applications After (1)

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

Country Status (9)

Country Link
US (4) US11159795B2 (https=)
EP (1) EP3935858A4 (https=)
JP (2) JP7436482B2 (https=)
KR (2) KR102795040B1 (https=)
CN (3) CN117499653A (https=)
AU (5) AU2020233293B2 (https=)
CA (1) CA3132312A1 (https=)
SG (1) SG11202109477YA (https=)
WO (1) WO2020180769A1 (https=)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113302925B (zh) * 2019-03-10 2024-05-10 寰发股份有限公司 视频编码的量化矩阵计算以及表示方法和装置
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
MX2022000028A (es) * 2019-06-24 2022-03-11 Lg Electronics Inc Método y aparato de codificación/decodificación de imágenes usando ajuste de tamaño de transformación máximo para bloque de croma, y método para transmitir flujo de bits.
CN120676155A (zh) * 2019-06-25 2025-09-19 韩国电子通信研究院 图像编码/解码方法和设备
JP7379656B2 (ja) * 2019-07-19 2023-11-14 ウィルス インスティテュート オブ スタンダーズ アンド テクノロジー インコーポレイティド ビデオ信号処理方法及び装置
CN114175632B (zh) 2019-07-26 2024-07-05 北京字节跳动网络技术有限公司 对视频编解码模式的块尺寸相关使用
CN119996693A (zh) * 2019-09-12 2025-05-13 阿里巴巴集团控股有限公司 视频编解码的计算机实现的方法及计算机可读存储介质
JP7655899B2 (ja) * 2019-09-13 2025-04-02 インターディジタル・シーイー・パテント・ホールディングス・ソシエテ・パ・アクシオンス・シンプリフィエ コード化ツールとの変換サイズの相互作用
AU2020203330B2 (en) 2020-05-21 2022-12-01 Canon Kabushiki Kaisha Method, apparatus and system for encoding and decoding a block of video samples

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140219336A1 (en) * 2013-02-06 2014-08-07 Research & Business Foundation Sungkyunkwan University Method and apparatus for intra prediction

Family Cites Families (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
MX382568B (es) 2011-03-10 2025-03-13 Velos Media Int Ltd Método de decodificación 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
KR101641863B1 (ko) * 2011-10-19 2016-07-22 주식회사 케이티 영상 부호화/복호화 방법 및 그 장치
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
US9351005B2 (en) * 2012-09-24 2016-05-24 Qualcomm Incorporated Bitstream conformance test in video coding
WO2015100515A1 (en) * 2013-12-30 2015-07-09 Qualcomm Incorporated Simplification of segment-wise dc coding of large prediction blocks in 3d video coding
US10687079B2 (en) * 2014-03-13 2020-06-16 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
US20170150156A1 (en) * 2015-11-25 2017-05-25 Qualcomm Incorporated Illumination compensation with non-square predictive blocks in video coding
MX392688B (es) * 2016-05-13 2025-03-24 Sony Corp Aparato y metodo de procesamiento de imagenes.
US10779007B2 (en) 2017-03-23 2020-09-15 Mediatek Inc. Transform coding of video data
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

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140219336A1 (en) * 2013-02-06 2014-08-07 Research & Business Foundation Sungkyunkwan University Method and apparatus for intra prediction

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Yin Zhao, et al. CE6: Sub-block transform for inter block(CE6.4.1), Joint Video exploration Team(JVET), JVET-M0140-v3, 2019-01-16, pp. 1-18*

Also Published As

Publication number Publication date
AU2020233293B2 (en) 2023-03-16
US20250106398A1 (en) 2025-03-27
US20230224462A1 (en) 2023-07-13
CN113545091A (zh) 2021-10-22
US11159795B2 (en) 2021-10-26
CN113545091B (zh) 2023-09-22
SG11202109477YA (en) 2021-09-29
CN117499653A (zh) 2024-02-02
AU2023203796A1 (en) 2023-07-13
AU2020233293A1 (en) 2021-09-23
AU2023203796B2 (en) 2024-05-02
JP2022511851A (ja) 2022-02-01
JP7436482B2 (ja) 2024-02-21
AU2024204959A1 (en) 2024-08-08
AU2024204951A1 (en) 2024-08-08
EP3935858A1 (en) 2022-01-12
US20200288131A1 (en) 2020-09-10
US20210409710A1 (en) 2021-12-30
AU2024204951B2 (en) 2026-04-02
CA3132312A1 (en) 2020-09-10
EP3935858A4 (en) 2022-08-03
US11647192B2 (en) 2023-05-09
WO2020180769A1 (en) 2020-09-10
KR20250053214A (ko) 2025-04-21
JP2024050853A (ja) 2024-04-10
AU2024204958A1 (en) 2024-08-08
JP7790810B2 (ja) 2025-12-23
KR20210088671A (ko) 2021-07-14
US12184854B2 (en) 2024-12-31
CN117499652A (zh) 2024-02-02

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
KR102775507B1 (ko) 비디오 인코딩 또는 디코딩을 위한 방법 및 장치
KR102795040B1 (ko) 최대 변환 크기 제어
KR102410293B1 (ko) 비디오 시퀀스의 디코딩을 위한 방법 및 장치
KR102718217B1 (ko) 다중 라인 인트라 예측을 위한 인트라 보간 필터
KR102637503B1 (ko) 비디오 시퀀스의 디코딩 또는 인코딩을 위한 인트라-인터 예측 모드를 제어하기 위한 방법 및 장치
KR102691332B1 (ko) 비디오 디코딩 또는 인코딩을 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
KR20200128142A (ko) 8-비트 변환 코어를 이용한 1차 변환을 위한 방법 및 장치
KR102504009B1 (ko) 비디오 코딩에서 적응적 그리드 크기를 갖는 확장된 병합 모드를 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
A201 Request for examination
PA0105 International application

Patent event date: 20210608

Patent event code: PA01051R01D

Comment text: International Patent Application

PA0201 Request for examination

Patent event code: PA02012R01D

Patent event date: 20210608

Comment text: Request for Examination of Application

PG1501 Laying open of application
E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 20230828

Patent event code: PE09021S01D

E90F Notification of reason for final refusal
PE0902 Notice of grounds for rejection

Comment text: Final Notice of Reason for Refusal

Patent event date: 20240513

Patent event code: PE09021S02D

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

Patent event code: PE07011S01D

Comment text: Decision to Grant Registration

Patent event date: 20250108

GRNT Written decision to grant
PR0701 Registration of establishment

Comment text: Registration of Establishment

Patent event date: 20250408

Patent event code: PR07011E01D

PR1002 Payment of registration fee

Payment date: 20250409

End annual number: 3

Start annual number: 1

PG1601 Publication of registration