JP7436482B2 - 最大変換サイズの制御 - Google Patents

最大変換サイズの制御 Download PDF

Info

Publication number
JP7436482B2
JP7436482B2 JP2021531981A JP2021531981A JP7436482B2 JP 7436482 B2 JP7436482 B2 JP 7436482B2 JP 2021531981 A JP2021531981 A JP 2021531981A JP 2021531981 A JP2021531981 A JP 2021531981A JP 7436482 B2 JP7436482 B2 JP 7436482B2
Authority
JP
Japan
Prior art keywords
maximum
size
maximum transform
sbt
video sequence
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
JP2021531981A
Other languages
English (en)
Japanese (ja)
Other versions
JP2022511851A (ja
Inventor
ジャオ，シン
リ，シアン
リィウ，シャン
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
Publication of JP2022511851A publication Critical patent/JP2022511851A/ja
Priority to JP2024017544A priority Critical patent/JP7790810B2/ja
Application granted granted Critical
Publication of JP7436482B2 publication Critical patent/JP7436482B2/ja
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
    • H04N19/12—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
    • H04N19/70—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
    • H04N19/10—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
    • H04N19/169—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

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)
JP2021531981A 2019-03-04 2020-03-02 最大変換サイズの制御 Active JP7436482B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2024017544A JP7790810B2 (ja) 2019-03-04 2024-02-08 最大変換サイズの制御

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
JP2024017544A Division JP7790810B2 (ja) 2019-03-04 2024-02-08 最大変換サイズの制御

Publications (2)

Publication Number Publication Date
JP2022511851A JP2022511851A (ja) 2022-02-01
JP7436482B2 true JP7436482B2 (ja) 2024-02-21

Family

ID=72335564

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2021531981A Active JP7436482B2 (ja) 2019-03-04 2020-03-02 最大変換サイズの制御
JP2024017544A Active JP7790810B2 (ja) 2019-03-04 2024-02-08 最大変換サイズの制御

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2024017544A Active JP7790810B2 (ja) 2019-03-04 2024-02-08 最大変換サイズの制御

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 (2)

* Cited by examiner, † Cited by third party
Title
BROSS, Benjamin et al.，Versatile Video Coding (Draft 4)，JVET-M1001 (version 5)，ITU，2019年02月27日，pp.28-30, 43-46, 61-65，JVET-M1001-v5.docx
ZHAO, Xin et al.，Non-CE6: Configurable Max Transform Size in VVC，JVET-O0545 (version 2)，ITU，2019年07月04日，pp.1-6，[online]，[retrieved on 2023-07-05]，Retrieved from the Internet: <URL: https://jvet-experts.org/doc_end_user/documents/15_Gothenburg/wg11/JVET-O0545-v2.zip>，JVET-O0545-v2.docx

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
KR102795040B1 (ko) 2025-04-15
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
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
JP7436482B2 (ja) 最大変換サイズの制御
JP7343669B2 (ja) Ｖｖｃにおける色変換のための方法及び機器
JP7132352B2 (ja) 予測モードおよび符号化ブロックフラグ（ｃｂｆ）のコンテキスト設計を更に向上する方法および機器
JP7744396B2 (ja) 簡略化された最確モードリスト生成スキーム
EP3881537A1 (en) Constrained intra prediction and unified most probable mode list generation
JP2022509994A (ja) 残差符号化を制御する方法、装置およびコンピュータ・プログラム
JP7119232B2 (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
JP7318087B2 (ja) マルチラインイントラ予測のためのモードリストを生成する方法、並びにその装置及びコンピュータプログラム
JP2022551001A (ja) ビデオコード化のための方法及び装置
JP7378485B2 (ja) Ｑｔ／ｂｔ／ｔｔサイズの改善されたヘッダシンタックス
RU2778250C1 (ru) Управление максимальным размером преобразования
HK40055938A (en) Decoding method and apparatus for performing maximum transform size control on video sequence

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20210604

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20220531

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20220824

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20221220

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20230711

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20231006

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20240109

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20240208

R150 Certificate of patent or registration of utility model

Ref document number: 7436482

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150