CN116684642A - 图像编解码方法、存储介质和数据发送方法 - Google Patents

图像编解码方法、存储介质和数据发送方法 Download PDF

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Publication number
CN116684642A
CN116684642A CN202310768314.5A CN202310768314A CN116684642A CN 116684642 A CN116684642 A CN 116684642A CN 202310768314 A CN202310768314 A CN 202310768314A CN 116684642 A CN116684642 A CN 116684642A
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transform
transformation
target block
transform coefficients
inverse
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具文模
林宰显
金昇焕
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LG Electronics Inc
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LG Electronics Inc
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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
    • H04N19/102—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
    • H04N19/60—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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform 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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/11—Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
    • 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
    • H04N19/124—Quantisation
    • 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
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • 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
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • H04N19/10—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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • 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)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
CN202310768314.5A 2018-12-06 2019-12-05 图像编解码方法、存储介质和数据发送方法 Pending CN116684642A (zh)

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US201862775914P 2018-12-06 2018-12-06
US62/775,914 2018-12-06
CN201980075783.0A CN113170197B (zh) 2018-12-06 2019-12-05 基于二次变换的图像编码方法及其装置
PCT/KR2019/017104 WO2020116961A1 (ko) 2018-12-06 2019-12-05 이차 변환에 기반한 영상 코딩 방법 및 그 장치

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CN202310768306.0A Pending CN116684641A (zh) 2018-12-06 2019-12-05 图像编解码方法、存储介质和数据发送方法
CN202310770648.6A Pending CN116684643A (zh) 2018-12-06 2019-12-05 解码设备、编码设备和数据发送设备
CN202310772002.1A Pending CN116684644A (zh) 2018-12-06 2019-12-05 解码设备、编码设备和数据发送设备
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CN202310770648.6A Pending CN116684643A (zh) 2018-12-06 2019-12-05 解码设备、编码设备和数据发送设备
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JP (5) JP7200379B2 (https=)
KR (2) KR20250069985A (https=)
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AU (4) AU2019394546B2 (https=)
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Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20250069985A (ko) * 2018-12-06 2025-05-20 엘지전자 주식회사 이차 변환에 기반한 영상 코딩 방법 및 그 장치
KR20210114386A (ko) * 2019-02-08 2021-09-23 주식회사 윌러스표준기술연구소 이차 변환을 이용하는 비디오 신호 처리 방법 및 장치
CN118694972A (zh) 2019-02-28 2024-09-24 数码士有限公司 基于帧内预测的视频信号处理方法和装置
US11218728B2 (en) * 2019-06-04 2022-01-04 Tencent America LLC Method and apparatus for video coding
US11871010B2 (en) * 2020-10-02 2024-01-09 Qualcomm Incorporated Extended low-frequency non-separable transform (LFNST) designs with worst-case complexity handling
US11612812B1 (en) 2021-06-29 2023-03-28 Amazon Technologies, Inc. Video game streaming with dynamic range conversion
US11666823B1 (en) * 2021-06-29 2023-06-06 Amazon Technologies, Inc. Video game streaming with dynamic range conversion
US11617946B1 (en) 2021-06-29 2023-04-04 Amazon Technologies, Inc. Video game streaming with dynamic range conversion
US11991360B2 (en) * 2021-08-30 2024-05-21 Tencent America LLC Method and apparatus for secondary transform with adaptive kernel options
WO2023038447A1 (ko) * 2021-09-08 2023-03-16 현대자동차주식회사 비디오 부호화/복호화 방법 및 장치
US12114014B2 (en) * 2021-10-01 2024-10-08 Tencent America LLC Secondary transforms for compound inter-intra prediction modes

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105376583A (zh) * 2015-04-07 2016-03-02 佛山世寰智能科技有限公司 一种按行交错划分任务和数据的多核并行视频解码方法
US20160088310A1 (en) * 2014-09-24 2016-03-24 Mstar Semiconductor, Inc. Video encoding apparatus and video decoding apparatus and encoding method and decoding method thereof
CN105791867A (zh) * 2016-03-23 2016-07-20 北京大学 基于边界自适应变换的优化视频数据编码方法
US20170324643A1 (en) * 2016-05-03 2017-11-09 Qualcomm Incorporated Binarizing secondary transform index
WO2018135885A1 (ko) * 2017-01-19 2018-07-26 가온미디어 주식회사 변환 처리를 제공하는 영상 복호화 및 부호화 방법
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

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20120070479A (ko) * 2010-12-21 2012-06-29 한국전자통신연구원 화면 내 예측 방향 정보 부호화/복호화 방법 및 그 장치
KR102232417B1 (ko) * 2013-11-20 2021-03-26 엘지전자 주식회사 비디오 신호 처리 방법 및 장치
CN110691244B (zh) * 2014-06-20 2022-07-08 寰发股份有限公司 视频编码中的语法的二进制化和上下文自适应编码的方法和装置
US10306229B2 (en) * 2015-01-26 2019-05-28 Qualcomm Incorporated Enhanced multiple transforms for prediction residual
CN104702962B (zh) * 2015-03-03 2019-04-16 华为技术有限公司 帧内编解码方法、编码器和解码器
US10681379B2 (en) * 2015-09-29 2020-06-09 Qualcomm Incorporated Non-separable secondary transform for video coding with reorganizing
KR102644185B1 (ko) * 2015-09-30 2024-03-06 엘지전자 주식회사 비디오 코딩 시스템에서 레지듀얼 신호 코딩 방법 및 장치
WO2017061671A1 (ko) * 2015-10-08 2017-04-13 엘지전자 주식회사 영상 코딩 시스템에서 적응적 변환에 기반한 영상 코딩 방법 및 장치
CN105376585B (zh) * 2015-11-04 2018-11-06 四川大学华西医院 一种帧图像组合提高视频传输速度的方法
KR102776450B1 (ko) * 2016-02-12 2025-03-06 삼성전자주식회사 영상 부호화 방법 및 장치, 영상 복호화 방법 및 장치
ES2817100B1 (es) * 2016-03-28 2022-04-13 Kt Corp Metodo y aparato para procesar senales de video
US11095893B2 (en) * 2016-10-12 2021-08-17 Qualcomm Incorporated Primary transform and secondary transform in video coding
CN109891882B (zh) * 2016-12-26 2021-05-11 华为技术有限公司 一种基于模板匹配的编解码方法及装置
WO2018174402A1 (ko) * 2017-03-21 2018-09-27 엘지전자 주식회사 영상 코딩 시스템에서 변환 방법 및 그 장치
US10855997B2 (en) * 2017-04-14 2020-12-01 Mediatek Inc. Secondary transform kernel size selection
GB2564151A (en) * 2017-07-05 2019-01-09 Sony Corp Image data encoding and decoding
CN118214854A (zh) * 2017-10-26 2024-06-18 英迪股份有限公司 用于基于非对称子块的图像编码/解码的方法及装置
CN118301336A (zh) * 2017-11-16 2024-07-05 英迪股份有限公司 图像编码/解码方法以及存储比特流的记录介质
WO2019112394A1 (ko) * 2017-12-07 2019-06-13 한국전자통신연구원 채널들 간의 선택적인 정보 공유를 사용하는 부호화 및 복호화를 위한 방법 및 장치
US10567801B2 (en) * 2018-03-07 2020-02-18 Tencent America LLC Method and apparatus for video coding with primary and secondary transforms
KR102631802B1 (ko) * 2018-09-05 2024-01-31 엘지전자 주식회사 비디오 신호의 부호화/복호화 방법 및 이를 위한 장치
KR20250069985A (ko) * 2018-12-06 2025-05-20 엘지전자 주식회사 이차 변환에 기반한 영상 코딩 방법 및 그 장치
WO2020130680A1 (ko) * 2018-12-19 2020-06-25 엘지전자 주식회사 인트라 예측을 사용하여 비디오 신호를 처리하기 위한 방법 및 장치

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160088310A1 (en) * 2014-09-24 2016-03-24 Mstar Semiconductor, Inc. Video encoding apparatus and video decoding apparatus and encoding method and decoding method thereof
CN105376583A (zh) * 2015-04-07 2016-03-02 佛山世寰智能科技有限公司 一种按行交错划分任务和数据的多核并行视频解码方法
CN105791867A (zh) * 2016-03-23 2016-07-20 北京大学 基于边界自适应变换的优化视频数据编码方法
US20170324643A1 (en) * 2016-05-03 2017-11-09 Qualcomm Incorporated Binarizing secondary transform index
WO2018135885A1 (ko) * 2017-01-19 2018-07-26 가온미디어 주식회사 변환 처리를 제공하는 영상 복호화 및 부호화 방법
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

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
KOO等: "Description of SDR video coding technology proposal by LG Electronics", JOINT VIDEO EXPERTS TEAM (JVET) OF ITU-T SG 16 WP 3 AND ISO/IEC JTC 1/SC 29/WG 11 10TH MEETING: SAN DIEGO, CA, 10–20 APRIL 2018, 12 April 2018 (2018-04-12) *
SALEHIFAR等: "CE 6.2.6: Reduced Secondary Transform (RST)", JOINT VIDEO EXPERTS TEAM (JVET) OF ITU-T SG 16 WP 3 AND ISO/IEC JTC 1/SC 29/WG 11 11TH MEETING: LJUBLJANA, SI, 10–18 JULY 2018, 13 July 2018 (2018-07-13), pages 1 - 12 *

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US11290747B2 (en) 2022-03-29
US20240171776A1 (en) 2024-05-23
US11936911B2 (en) 2024-03-19
JP2023024623A (ja) 2023-02-16
WO2020116961A1 (ko) 2020-06-11
BR112021010422A2 (pt) 2021-09-28
US20250203112A1 (en) 2025-06-19
US12273563B2 (en) 2025-04-08
JP7787346B2 (ja) 2025-12-16
JP2022511860A (ja) 2022-02-01
JP7490037B2 (ja) 2024-05-24
CN113170197A (zh) 2021-07-23
JP2024102326A (ja) 2024-07-30
JP7200379B2 (ja) 2023-01-06
AU2024203118A1 (en) 2024-05-30
US20220191546A1 (en) 2022-06-16
JP2025090835A (ja) 2025-06-17
JP7654870B2 (ja) 2025-04-01
AU2019394546B2 (en) 2022-03-31
AU2024203118B2 (en) 2025-08-07
AU2025260011A1 (en) 2025-11-20
AU2022204531A1 (en) 2022-07-21
CN116684644A (zh) 2023-09-01
KR20250069985A (ko) 2025-05-20
AU2019394546A1 (en) 2021-06-10
KR102807906B1 (ko) 2025-05-14
JP2026026330A (ja) 2026-02-16
KR20210089171A (ko) 2021-07-15
CN116684643A (zh) 2023-09-01
AU2022204531B2 (en) 2024-02-15
CN116684641A (zh) 2023-09-01
US20210281881A1 (en) 2021-09-09
CN113170197B (zh) 2023-07-18

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