CN113557732B - 用于视频编解码的方法和装置 - Google Patents

用于视频编解码的方法和装置 Download PDF

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CN113557732B
CN113557732B CN202080019613.3A CN202080019613A CN113557732B CN 113557732 B CN113557732 B CN 113557732B CN 202080019613 A CN202080019613 A CN 202080019613A CN 113557732 B CN113557732 B CN 113557732B
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block
secondary transform
transform
signaled
video
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CN113557732A (zh
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赵欣
李翔
刘杉
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Tencent America LLC
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Tencent America LLC
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    • 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
    • H04N19/186—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 colour or a chrominance component
    • 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
    • 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
    • H04N19/12—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
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
    • 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
    • H04N19/184—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 bits, e.g. of the compressed video stream
    • 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
    • H04N19/463—Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
    • 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

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  • 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)
  • Color Television Systems (AREA)
CN202080019613.3A 2019-04-04 2020-04-03 用于视频编解码的方法和装置 Active CN113557732B (zh)

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Application Number Priority Date Filing Date Title
CN202410140301.8A CN117857792A (zh) 2019-04-04 2020-04-03 视频比特流的处理、生成视频比特流的方法、装置及介质
CN202311726860.9A CN117528083A (zh) 2019-04-04 2020-04-03 生成编码视频流的方法、装置、计算机设备及存储介质

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US201962829435P 2019-04-04 2019-04-04
US62/829,435 2019-04-04
US16/838,755 US11172211B2 (en) 2019-04-04 2020-04-02 Method and apparatus for video coding
US16/838,755 2020-04-02
PCT/US2020/026578 WO2020206254A1 (en) 2019-04-04 2020-04-03 Method and apparatus for video coding

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CN202311726860.9A Division CN117528083A (zh) 2019-04-04 2020-04-03 生成编码视频流的方法、装置、计算机设备及存储介质

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Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230269372A1 (en) * 2020-03-18 2023-08-24 Electronics And Telecommunications Research Institute Method and device for encoding/decoding image, and recording medium having stored bitstream
KR102650865B1 (ko) * 2018-04-01 2024-03-22 엘지전자 주식회사 분할된 블록에 2차 변환을 적용하여 비디오 신호를 처리하는 방법 및 장치
FR3086485A1 (fr) * 2018-09-21 2020-03-27 Orange Procedes et dispositifs de codage et de decodage d'un flux de donnees representatif d'au moins une image.
US11172211B2 (en) * 2019-04-04 2021-11-09 Tencent America LLC Method and apparatus for video coding
CN113767627B (zh) * 2019-04-23 2022-11-25 北京字节跳动网络技术有限公司 基于二次变换的视频处理中的裁剪操作
CN117499641A (zh) 2019-05-10 2024-02-02 北京字节跳动网络技术有限公司 用于视频处理的简化二次变换的有条件使用
JP7277616B2 (ja) * 2019-06-07 2023-05-19 北京字節跳動網絡技術有限公司 ビデオ・データを処理する方法、装置及び記憶媒体
CN114097223B (zh) * 2019-06-25 2025-06-10 弗劳恩霍夫应用研究促进协会 解码器、编码器和包括对帧内子分区进行编码的方法
KR102544252B1 (ko) * 2019-06-25 2023-06-16 삼성전자주식회사 2차 변환을 이용하는 비디오 신호 처리 방법 및 장치
WO2021023152A1 (en) 2019-08-03 2021-02-11 Beijing Bytedance Network Technology Co., Ltd. Selection of matrices for reduced secondary transform in video coding
CN118632034A (zh) 2019-08-17 2024-09-10 北京字节跳动网络技术有限公司 为视频中的缩减二次变换的边信息的上下文建模
CN115606182B (zh) 2020-03-25 2026-02-06 抖音视界有限公司 使用增强二次变换的编解码视频处理

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108141597A (zh) * 2015-09-29 2018-06-08 高通股份有限公司 用于具有重组的视频译码的非可分离二次变换
WO2018166429A1 (en) * 2017-03-16 2018-09-20 Mediatek Inc. Method and apparatus of enhanced multiple transforms and non-separable secondary transform for video coding
WO2018188648A1 (en) * 2017-04-14 2018-10-18 Mediatek Inc. Secondary transform kernel size selection
CN109076243A (zh) * 2016-05-04 2018-12-21 夏普株式会社 用于对变换数据进行编码的系统和方法
CN109076222A (zh) * 2016-05-13 2018-12-21 索尼公司 图像处理装置和方法
CN109076230A (zh) * 2016-05-03 2018-12-21 高通股份有限公司 二值化二次变换指数

Family Cites Families (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8526495B2 (en) * 2010-11-22 2013-09-03 Mediatek Singapore Pte. Ltd. Apparatus and method of constrained partition size for high efficiency video coding
US9049452B2 (en) * 2011-01-25 2015-06-02 Mediatek Singapore Pte. Ltd. Method and apparatus for compressing coding unit in high efficiency video coding
CA2832086C (en) * 2011-04-15 2018-10-23 Blackberry Limited Methods and devices for coding and decoding the position of the last significant coefficient
EP2745519B1 (en) * 2011-08-17 2017-09-27 MediaTek Singapore Pte Ltd. Method and apparatus for intra prediction using non-square blocks
KR102257379B1 (ko) * 2014-07-22 2021-06-01 삼성전자주식회사 비디오 인코딩 회로 및 그것을 이용하는 비디오 인코딩 방법
US10306229B2 (en) * 2015-01-26 2019-05-28 Qualcomm Incorporated Enhanced multiple transforms for prediction residual
KR20180040515A (ko) * 2015-09-10 2018-04-20 삼성전자주식회사 부호화 장치, 복호화 장치, 그 부호화 및 복호화 방법
US10972733B2 (en) * 2016-07-15 2021-04-06 Qualcomm Incorporated Look-up table for enhanced multiple transform
US11095893B2 (en) 2016-10-12 2021-08-17 Qualcomm Incorporated Primary transform and secondary transform in video coding
US20190356915A1 (en) * 2017-01-03 2019-11-21 Lg Electronics Inc. Method and apparatus for encoding/decoding video signal using secondary transform
US10750181B2 (en) * 2017-05-11 2020-08-18 Mediatek Inc. Method and apparatus of adaptive multiple transforms for video coding
US10630974B2 (en) * 2017-05-30 2020-04-21 Google Llc Coding of intra-prediction modes
US10567801B2 (en) * 2018-03-07 2020-02-18 Tencent America LLC Method and apparatus for video coding with primary and secondary transforms
US10491914B2 (en) * 2018-03-29 2019-11-26 Tencent America LLC Transform information prediction
FI3764649T3 (fi) * 2018-04-01 2023-10-19 Lg Electronics Inc Videosignaalin prosessointi käyttämällä redusoitua sekundääristä muunnosta
EP4216554B1 (en) * 2018-06-03 2025-03-26 LG Electronics Inc. Method and device for processing video signal by using reduced transform
CA3100976A1 (en) * 2018-06-08 2019-12-12 Kt Corporation Method and apparatus for processing video signal
CN116546197B (zh) * 2018-08-12 2026-05-22 Lg电子株式会社 解码方法、编码方法、存储介质和图像的数据的发送方法
KR102858206B1 (ko) * 2018-09-07 2025-09-11 삼성전자주식회사 다중 변환 커널을 사용하는 비디오 신호 처리 방법 및 장치
RU2770650C1 (ru) * 2018-11-14 2022-04-20 Шарп Кабусики Кайся Системы и способы применения фильтров деблокирования к восстановленным видеоданным
US11323748B2 (en) * 2018-12-19 2022-05-03 Qualcomm Incorporated Tree-based transform unit (TU) partition for video coding
WO2020141909A1 (ko) * 2019-01-01 2020-07-09 엘지전자 주식회사 변환을 사용하여 비디오 신호를 처리하기 위한 방법 및 이를 위한 장치
US10986339B2 (en) * 2019-02-08 2021-04-20 Tencent America LLC Method and apparatus for harmonization between transform skip mode and multiple transform selection
US11025909B2 (en) * 2019-03-21 2021-06-01 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
US11172211B2 (en) * 2019-04-04 2021-11-09 Tencent America LLC Method and apparatus for video coding
US11943476B2 (en) * 2019-04-16 2024-03-26 Hfi Innovation Inc. Methods and apparatuses for coding video data with adaptive secondary transform signaling
US11991393B2 (en) * 2019-04-16 2024-05-21 Hfi Innovation Inc. Methods and apparatuses for coding video data with secondary transform
US11290731B2 (en) * 2019-05-22 2022-03-29 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
US11949870B2 (en) * 2019-06-21 2024-04-02 Qualcomm Incorporated Context modeling for low-frequency non-separable transformation signaling for video coding
KR102544252B1 (ko) * 2019-06-25 2023-06-16 삼성전자주식회사 2차 변환을 이용하는 비디오 신호 처리 방법 및 장치
WO2021023552A1 (en) * 2019-08-06 2021-02-11 Interdigital Vc Holdings France, Sas Secondary transform for video encoding and decoding

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108141597A (zh) * 2015-09-29 2018-06-08 高通股份有限公司 用于具有重组的视频译码的非可分离二次变换
CN108141596A (zh) * 2015-09-29 2018-06-08 高通股份有限公司 用于视频译码的非可分离二次变换
CN109076230A (zh) * 2016-05-03 2018-12-21 高通股份有限公司 二值化二次变换指数
CN109076243A (zh) * 2016-05-04 2018-12-21 夏普株式会社 用于对变换数据进行编码的系统和方法
CN109076222A (zh) * 2016-05-13 2018-12-21 索尼公司 图像处理装置和方法
WO2018166429A1 (en) * 2017-03-16 2018-09-20 Mediatek Inc. Method and apparatus of enhanced multiple transforms and non-separable secondary transform for video coding
WO2018188648A1 (en) * 2017-04-14 2018-10-18 Mediatek Inc. Secondary transform kernel size selection

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
CE6 – related: Simplification of the Reduced Secondary Transform;Mischa Siekmann等;《Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11 》;正文第1-2节 *
Mischa Siekmann等.CE6 – related: Simplification of the Reduced Secondary Transform.《Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11 》.2019,正文第1-2节. *

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US20260238802A1 (en) 2026-08-13
EP3949410A1 (en) 2022-02-09
EP3949410A4 (en) 2023-03-29
US12689750B2 (en) 2026-07-21
JP2023010887A (ja) 2023-01-20
JP7684451B2 (ja) 2025-05-27
WO2020206254A1 (en) 2020-10-08
US20240430458A1 (en) 2024-12-26
JP7185049B2 (ja) 2022-12-06
US20210392345A1 (en) 2021-12-16
US20200322617A1 (en) 2020-10-08
AU2023203638A1 (en) 2023-07-06
KR102550425B1 (ko) 2023-07-04
KR20230104757A (ko) 2023-07-10
SG11202110364XA (en) 2021-10-28
CN117857792A (zh) 2024-04-09
JP2024028602A (ja) 2024-03-04
US11172211B2 (en) 2021-11-09
US12113990B2 (en) 2024-10-08
KR20250016488A (ko) 2025-02-03
KR20210068511A (ko) 2021-06-09
JP7427756B2 (ja) 2024-02-05
KR102758652B1 (ko) 2025-01-22
CN117528083A (zh) 2024-02-06
AU2020253601B2 (en) 2023-03-09
AU2023203638B2 (en) 2025-02-27
CN113557732A (zh) 2021-10-26
JP2022515813A (ja) 2022-02-22
CA3133111A1 (en) 2020-10-08
JP2025118891A (ja) 2025-08-13
AU2020253601A1 (en) 2021-10-07

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