KR102798865B1 - 비디오 코딩을 위한 비-분리가능한 2 차 변환 - Google Patents

비디오 코딩을 위한 비-분리가능한 2 차 변환 Download PDF

Info

Publication number
KR102798865B1
KR102798865B1 KR1020187012024A KR20187012024A KR102798865B1 KR 102798865 B1 KR102798865 B1 KR 102798865B1 KR 1020187012024 A KR1020187012024 A KR 1020187012024A KR 20187012024 A KR20187012024 A KR 20187012024A KR 102798865 B1 KR102798865 B1 KR 102798865B1
Authority
KR
South Korea
Prior art keywords
transform
block
video
video block
coefficient
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
KR1020187012024A
Other languages
English (en)
Korean (ko)
Other versions
KR20180063186A (ko
Inventor
신 자오
지안레 천
아미르 사이드
마르타 카르체비츠
바딤 세레긴
Original Assignee
퀄컴 인코포레이티드
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 퀄컴 인코포레이티드 filed Critical 퀄컴 인코포레이티드
Publication of KR20180063186A publication Critical patent/KR20180063186A/ko
Application granted granted Critical
Publication of KR102798865B1 publication Critical patent/KR102798865B1/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
    • H04N19/60—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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00—Arrangements for monitoring or testing data switching networks
    • H04L43/16—Threshold monitoring
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N1/32101—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
    • H04N1/32144—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title embedded in the image data, i.e. enclosed or integrated in the image, e.g. watermark, super-imposed logo or stamp
    • H04N1/32149—Methods relating to embedding, encoding, decoding, detection or retrieval operations
    • H04N1/32154—Transform domain methods
    • H04N1/32181—Transform domain methods using Karhunen-Loeve transforms
    • 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
    • H04N19/102—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
    • H04N19/134—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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/625—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using discrete cosine transform [DCT]
    • 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
    • H04N19/182—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 pixel

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
KR1020187012024A 2015-09-29 2016-09-21 비디오 코딩을 위한 비-분리가능한 2 차 변환 Active KR102798865B1 (ko)

Applications Claiming Priority (11)

Application Number Priority Date Filing Date Title
US201562234644P 2015-09-29 2015-09-29
US62/234,644 2015-09-29
US201662294897P 2016-02-12 2016-02-12
US62/294,897 2016-02-12
US201662323496P 2016-04-15 2016-04-15
US62/323,496 2016-04-15
US201662337736P 2016-05-17 2016-05-17
US62/337,736 2016-05-17
US15/270,455 US10491922B2 (en) 2015-09-29 2016-09-20 Non-separable secondary transform for video coding
US15/270,455 2016-09-20
PCT/US2016/052926 WO2017058614A1 (en) 2015-09-29 2016-09-21 Non-separable secondary transform for video coding

Publications (2)

Publication Number Publication Date
KR20180063186A KR20180063186A (ko) 2018-06-11
KR102798865B1 true KR102798865B1 (ko) 2025-04-21

Family

ID=58406050

Family Applications (2)

Application Number Title Priority Date Filing Date
KR1020187012025A Active KR102798866B1 (ko) 2015-09-29 2016-09-21 재편성에 의한 비디오 코딩을 위한 비-분리가능한 2 차 변환
KR1020187012024A Active KR102798865B1 (ko) 2015-09-29 2016-09-21 비디오 코딩을 위한 비-분리가능한 2 차 변환

Family Applications Before (1)

Application Number Title Priority Date Filing Date
KR1020187012025A Active KR102798866B1 (ko) 2015-09-29 2016-09-21 재편성에 의한 비디오 코딩을 위한 비-분리가능한 2 차 변환

Country Status (9)

Country Link
US (3) US10681379B2 (enExample)
EP (2) EP3357242B1 (enExample)
JP (2) JP6884770B2 (enExample)
KR (2) KR102798866B1 (enExample)
CN (2) CN108141596B (enExample)
AU (2) AU2016332318A1 (enExample)
BR (2) BR112018006398A2 (enExample)
TW (2) TW201722152A (enExample)
WO (2) WO2017058614A1 (enExample)

Families Citing this family (247)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3222044A1 (en) * 2014-11-21 2017-09-27 VID SCALE, Inc. One-dimensional transform modes and coefficient scan order
CN106358042B (zh) * 2015-07-17 2020-10-09 恩智浦美国有限公司 使用视频图像的帧间预测的并行解码器
US10681379B2 (en) * 2015-09-29 2020-06-09 Qualcomm Incorporated Non-separable secondary transform for video coding with reorganizing
CN111899746B (zh) * 2016-03-21 2022-10-18 华为技术有限公司 加权矩阵系数的自适应量化
US10623774B2 (en) 2016-03-22 2020-04-14 Qualcomm Incorporated Constrained block-level optimization and signaling for video coding tools
US12256066B2 (en) * 2016-04-29 2025-03-18 Intellectual Discovery Co., Ltd. Method and apparatus for encoding/decoding video signal
WO2017192011A2 (ko) * 2016-05-02 2017-11-09 한양대학교 산학협력단 화면 내 예측을 이용한 영상 부호화/복호화 방법 및 장치
US11350127B2 (en) * 2016-05-13 2022-05-31 Sony Corporation Apparatus and method for image processing
CN113411580B (zh) * 2016-05-13 2024-01-30 夏普株式会社 图像解码装置及其方法、图像编码装置及其方法
MY203127A (en) * 2016-05-13 2024-06-10 Sony Corp Image processing apparatus and method
US10547854B2 (en) 2016-05-13 2020-01-28 Qualcomm Incorporated Neighbor based signaling of intra prediction modes
CA3025340C (en) * 2016-05-25 2025-10-07 Arris Enterprises Llc GENERAL PROCESS FOR BLOCK PARTITIONING
MX394492B (es) 2016-05-25 2025-03-21 Arris Entpr Llc Codificacion de prediccion angular ponderada mejorada para intra codificacion.
MX393147B (es) 2016-05-25 2025-03-24 Arris Entpr Llc Prediccion angular ponderada para intra codificacion.
US20210343388A1 (en) * 2016-05-31 2021-11-04 Digital Hospital, Inc. Dosage Determination Apparatus
WO2017222237A1 (ko) * 2016-06-22 2017-12-28 한국전자통신연구원 화면 내 예측 방법 및 장치
CN117412042A (zh) * 2016-07-13 2024-01-16 韩国电子通信研究院 图像编码/解码方法和装置
EP3485637B1 (en) * 2016-07-14 2024-10-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Predictive picture coding using transform-based residual coding
HUE061549T2 (hu) * 2016-08-08 2023-07-28 Lg Electronics Inc Intra-predikciós üzemmódon alapuló video kódolási eljárás és video feldolgozó berendezés ehhez
US11095892B2 (en) * 2016-09-20 2021-08-17 Kt Corporation Method and apparatus for processing video signal
US10880564B2 (en) 2016-10-01 2020-12-29 Qualcomm Incorporated Transform selection for video coding
US10506228B2 (en) 2016-10-04 2019-12-10 Qualcomm Incorporated Variable number of intra modes for video coding
US20180103251A1 (en) * 2016-10-07 2018-04-12 Industrial Technology Research Institute Method for selecting prediction mode of intra prediction, video encoding device and image processing apparatus
US11095893B2 (en) 2016-10-12 2021-08-17 Qualcomm Incorporated Primary transform and secondary transform in video coding
KR102420867B1 (ko) 2016-12-23 2022-07-15 후아웨이 테크놀러지 컴퍼니 리미티드 미리 결정된 방향성 인트라 예측 모드들의 세트를 확장하기 위한 인트라 예측 장치
US10277895B2 (en) * 2016-12-28 2019-04-30 Arris Enterprises Llc Adaptive unequal weight planar prediction
EP3349451A1 (en) * 2017-01-11 2018-07-18 Thomson Licensing Method and apparatus for selecting a coding mode used for encoding/decoding a residual block
US11146795B2 (en) 2017-03-10 2021-10-12 Qualcomm Incorporated Intra filtering flag in video coding
BR112019019702A2 (pt) * 2017-03-21 2020-04-14 Lg Electronics Inc método de transformada em sistema de codificação de imagem e aparelho para o mesmo
US20180288439A1 (en) * 2017-03-31 2018-10-04 Mediatek Inc. Multiple Transform Prediction
AU2018252853A1 (en) * 2017-04-13 2019-12-05 Lg Electronics Inc. Image encoding/decoding method and device therefor
US10855997B2 (en) 2017-04-14 2020-12-01 Mediatek Inc. Secondary transform kernel size selection
JP2020109884A (ja) * 2017-04-28 2020-07-16 シャープ株式会社 動画像符号化装置及び動画像復号装置
JP6767579B2 (ja) * 2017-06-01 2020-10-14 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカＰａｎａｓｏｎｉｃ Ｉｎｔｅｌｌｅｃｔｕａｌ Ｐｒｏｐｅｒｔｙ Ｃｏｒｐｏｒａｔｉｏｎ ｏｆ Ａｍｅｒｉｃａ 符号化装置、符号化方法、復号装置及び復号方法
WO2018221554A1 (ja) * 2017-06-01 2018-12-06 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ 符号化装置、符号化方法、復号装置及び復号方法
CN117097885A (zh) * 2017-06-21 2023-11-21 Lg 电子株式会社 在图像编译系统中根据帧内预测用于解码图像的方法和设备
US11134272B2 (en) 2017-06-29 2021-09-28 Qualcomm Incorporated Memory reduction for non-separable transforms
WO2019009129A1 (ja) 2017-07-03 2019-01-10 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ 符号化装置、復号装置、符号化方法及び復号方法
JP2019017066A (ja) * 2017-07-03 2019-01-31 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカＰａｎａｓｏｎｉｃ Ｉｎｔｅｌｌｅｃｔｕａｌ Ｐｒｏｐｅｒｔｙ Ｃｏｒｐｏｒａｔｉｏｎ ｏｆ Ａｍｅｒｉｃａ 符号化装置、復号装置、符号化方法及び復号方法
EP3609184B1 (en) * 2017-07-04 2024-06-12 Samsung Electronics Co., Ltd. Image encoding method and apparatus, and image decoding method and apparatus
TWI761551B (zh) * 2017-07-13 2022-04-21 美商松下電器（美國）知識產權公司 編碼裝置、編碼方法、解碼裝置及解碼方法
TW202505902A (zh) 2017-07-13 2025-02-01 美商松下電器（美國）知識產權公司 編碼裝置、解碼裝置、編碼方法及解碼方法
KR102779464B1 (ko) * 2017-07-28 2025-03-12 파나소닉 인텔렉츄얼 프로퍼티 코포레이션 오브 아메리카 부호화 장치, 복호 장치, 부호화 방법 및 복호 방법
EP4395317A3 (en) * 2017-07-28 2024-08-14 Panasonic Intellectual Property Corporation of America Encoding device and encoding method
CN115550651A (zh) * 2017-07-31 2022-12-30 韩国电子通信研究院 对图像编码和解码的方法及存储比特流的计算机可读介质
KR20240015154A (ko) * 2017-08-04 2024-02-02 엘지전자 주식회사 비디오 압축을 위한 변환을 구성하는 방법 및 장치
US11363267B2 (en) * 2017-09-28 2022-06-14 Samsung Electronics Co., Ltd. Encoding method and device, and decoding method and device
WO2019076138A1 (en) * 2017-10-16 2019-04-25 Huawei Technologies Co., Ltd. Encoding method and apparatus
KR102285739B1 (ko) * 2017-11-09 2021-08-04 삼성전자주식회사 움직임 벡터 해상도에 기초하여 영상을 부호화하는 장치 및 방법, 및 복호화 장치 및 방법
WO2019112071A1 (ko) * 2017-12-04 2019-06-13 엘지전자 주식회사 영상 코딩 시스템에서 크로마 성분의 효율적 변환에 기반한 영상 디코딩 방법 및 장치
EP3496401A1 (en) * 2017-12-05 2019-06-12 Thomson Licensing Method and apparatus for video encoding and decoding based on block shape
US11252420B2 (en) * 2017-12-15 2022-02-15 Lg Electronics Inc. Image coding method on basis of secondary transform and device therefor
EP4376412A3 (en) * 2017-12-15 2024-07-17 LG Electronics Inc. Image coding method on basis of transformation and device therefor
CN116866599A (zh) * 2017-12-15 2023-10-10 Lg电子株式会社 编解码设备和数据发送设备
GB2580268B (en) 2017-12-18 2023-03-08 Arris Entpr Llc System and method for constructing a plane for planar prediction
JP6980920B2 (ja) * 2017-12-21 2021-12-15 エルジー エレクトロニクス インコーポレイティドLg Electronics Inc. 選択的変換に基づいた映像コーディング方法およびその装置
US20200359025A1 (en) * 2017-12-22 2020-11-12 Interdigital Vc Holdings, Inc. Method and apparatus for video compression using efficient multiple transforms
CN115278239B (zh) * 2017-12-28 2025-05-02 松下电器（美国）知识产权公司 编码装置、解码装置和存储介质
CN118101967B (zh) 2018-02-23 2025-02-25 华为技术有限公司 用于视频编解码的位置相关空间变化变换的方法
CN108322745B (zh) * 2018-02-28 2019-12-03 中南大学 一种基于不可分二次变换模式的帧内快速选择方法
US10567801B2 (en) 2018-03-07 2020-02-18 Tencent America LLC Method and apparatus for video coding with primary and secondary transforms
EP3777165A1 (en) * 2018-03-29 2021-02-17 FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. Determination of set of candidate transforms for video encoding
US11647214B2 (en) 2018-03-30 2023-05-09 Qualcomm Incorporated Multiple transforms adjustment stages for video coding
KR102631119B1 (ko) * 2018-04-01 2024-01-29 엘지전자 주식회사 축소된 2차 변환을 이용하여 비디오 신호를 처리하는 방법 및 장치
JP2021517795A (ja) 2018-04-01 2021-07-26 エルジー エレクトロニクス インコーポレイティド 分割されたブロックに２次変換を適用して、ビデオ信号を処理する方法及び装置
CN110213576B (zh) * 2018-05-03 2023-02-28 腾讯科技（深圳）有限公司 视频编码方法、视频编码装置、电子设备及存储介质
WO2019228332A1 (en) 2018-05-31 2019-12-05 Huawei Technologies Co., Ltd. Spatially varying transform with adaptive transform type
US10645396B2 (en) * 2018-06-04 2020-05-05 Tencent America LLC Method and apparatus for implicit transform splitting
CN112335247B (zh) 2018-06-29 2024-09-27 交互数字Vc控股公司 用于基于仿射运动模型的视频译码的自适应控制点选择
US10666981B2 (en) 2018-06-29 2020-05-26 Tencent America LLC Method, apparatus and medium for decoding or encoding
US10687081B2 (en) 2018-06-29 2020-06-16 Tencent America LLC Method, apparatus and medium for decoding or encoding
AU2018204775A1 (en) * 2018-06-29 2020-01-16 Canon Kabushiki Kaisha Method, apparatus and system for encoding and decoding a transformed block of video samples
CN116347076B (zh) * 2018-07-02 2025-07-22 Oppo广东移动通信有限公司 对视频信号进行编解码的设备和发送图像的数据的设备
CN117097893A (zh) * 2018-07-06 2023-11-21 Lg电子株式会社 图像编码/解码设备和图像数据发送设备
KR20240075908A (ko) * 2018-07-12 2024-05-29 광동 오포 모바일 텔레커뮤니케이션즈 코포레이션 리미티드 비디오 신호를 처리하기 위한 방법 및 장치
CA3090207C (en) * 2018-07-13 2022-03-15 Telefonaktiebolaget Lm Ericsson (Publ) Transform selection in a video encoder and/or video decoder
US11166044B2 (en) * 2018-07-31 2021-11-02 Tencent America LLC Method and apparatus for improved compound orthonormal transform
CN112840648B (zh) * 2018-08-12 2023-06-16 Lg电子株式会社 用于处理图像信号的方法和装置
ES2950975T3 (es) 2018-09-02 2023-10-17 Lg Electronics Inc Método para decodificar una señal de imagen, método para codificar una señal de imagen y medio de almacenamiento
CN114885162B (zh) * 2018-09-02 2024-04-23 Lg电子株式会社 解码设备、编码设备和计算机可读记录介质
WO2020046085A1 (ko) * 2018-09-02 2020-03-05 엘지전자 주식회사 영상 신호를 처리하기 위한 방법 및 장치
KR102396112B1 (ko) * 2018-09-02 2022-05-10 엘지전자 주식회사 비디오 신호의 부호화/복호화 방법 및 이를 위한 장치
EP4664892A2 (en) * 2018-09-05 2025-12-17 LG Electronics Inc. Method for encoding/decoding video signal, and apparatus therefor
KR102557256B1 (ko) * 2018-09-05 2023-07-18 엘지전자 주식회사 영상 신호를 처리하기 위한 방법 및 장치
US10819979B2 (en) * 2018-09-06 2020-10-27 Tencent America LLC Coupled primary and secondary transform
WO2020060244A1 (ko) * 2018-09-19 2020-03-26 한국전자통신연구원 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
EP3854080A1 (en) * 2018-09-21 2021-07-28 InterDigital VC Holdings, Inc. Harmonization of intra transform coding and wide angle intra prediction
WO2020060364A1 (ko) * 2018-09-23 2020-03-26 엘지전자 주식회사 비디오 신호의 부호화/복호화 방법 및 이를 위한 장치
WO2020067694A1 (ko) * 2018-09-24 2020-04-02 엘지전자 주식회사 영상 신호를 처리하기 위한 방법 및 장치
US11218694B2 (en) * 2018-09-24 2022-01-04 Qualcomm Incorporated Adaptive multiple transform coding
WO2020071736A1 (ko) 2018-10-01 2020-04-09 엘지전자 주식회사 비디오 신호의 부호화/복호화 방법 및 이를 위한 장치
IL305173A (en) * 2018-10-12 2023-10-01 Guangdong Oppo Mobile Telecommunications Corp Ltd A method for encoding/decoding an image signal and a device for it
US11128866B2 (en) 2018-10-18 2021-09-21 Qualcomm Incorporated Scans and last coefficient position coding for zero-out transforms
US11412260B2 (en) 2018-10-29 2022-08-09 Google Llc Geometric transforms for image compression
CN114390281B (zh) * 2018-11-12 2023-09-08 Lg电子株式会社 图像解码方法、图像编码方法和数据发送方法
US20210400276A1 (en) * 2018-11-22 2021-12-23 Interdigital Vc Holdings, Inc. Quantization for video encoding and decoding
KR20250069985A (ko) * 2018-12-06 2025-05-20 엘지전자 주식회사 이차 변환에 기반한 영상 코딩 방법 및 그 장치
US11284112B2 (en) * 2018-12-06 2022-03-22 Tencent America LLC Method and apparatus for a primary transform using an 8-bit transform core
GB2579824B (en) 2018-12-14 2022-05-18 British Broadcasting Corp Video encoding and video decoding
KR102810173B1 (ko) 2018-12-18 2025-05-20 엘지전자 주식회사 이차 변환에 기반한 영상 코딩 방법 및 그 장치
ES2954232T3 (es) * 2018-12-19 2023-11-21 Lg Electronics Inc Método de codificación de video basado en transformada secundaria y dispositivo para el mismo
CN116744004A (zh) * 2018-12-19 2023-09-12 Lg电子株式会社 编码设备、解码设备和数据发送设备
GB2580326A (en) 2018-12-28 2020-07-22 British Broadcasting Corp Video encoding and video decoding
US11102490B2 (en) 2018-12-31 2021-08-24 Tencent America LLC Coefficient scanning methods on adaptive angle mode
WO2020141892A1 (ko) * 2019-01-01 2020-07-09 엘지전자 주식회사 이차 변환에 기반한 영상 코딩 방법 및 그 장치
CN119094748A (zh) * 2019-01-02 2024-12-06 弗劳恩霍夫应用研究促进协会 统一变换类型信令和变换类型相关的变换系数水平编码
KR20250024125A (ko) * 2019-01-07 2025-02-18 엘지전자 주식회사 이차 변환에 기반한 영상 코딩 방법 및 그 장치
CA3126304A1 (en) 2019-01-11 2020-07-16 Huawei Technologies Co., Ltd. Encoder, decoder and corresponding methods using dct2 enabled high level flag
KR20250022903A (ko) 2019-01-12 2025-02-17 엘지전자 주식회사 이차 변환에 기반한 영상 코딩 방법 및 그 장치
KR102772255B1 (ko) 2019-02-01 2025-02-25 엘지전자 주식회사 이차 변환에 기반한 영상 코딩 방법 및 그 장치
US11595663B2 (en) * 2019-02-01 2023-02-28 Qualcomm Incorporated Secondary transform designs for partitioned transform units in video coding
WO2020156549A1 (en) 2019-02-02 2020-08-06 Beijing Bytedance Network Technology Co., Ltd. Buffer access methods for intra block copy in video coding
KR20210123300A (ko) 2019-02-02 2021-10-13 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 비디오 코딩에서 인트라 블록 복사를 위한 버퍼 관리
US10986339B2 (en) * 2019-02-08 2021-04-20 Tencent America LLC Method and apparatus for harmonization between transform skip mode and multiple transform selection
KR20210114386A (ko) 2019-02-08 2021-09-23 주식회사 윌러스표준기술연구소 이차 변환을 이용하는 비디오 신호 처리 방법 및 장치
US11190794B2 (en) * 2019-02-12 2021-11-30 Tencent America LLC Method and apparatus for video coding
CN113491116B (zh) 2019-02-28 2024-07-26 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
CN117395439A (zh) 2019-03-01 2024-01-12 北京字节跳动网络技术有限公司 用于视频编解码中的帧内块复制的基于方向的预测
WO2020177661A1 (en) 2019-03-01 2020-09-10 Beijing Bytedance Network Technology Co., Ltd. Order-based updating for intra block copy in video coding
WO2020177664A1 (en) * 2019-03-02 2020-09-10 Beijing Bytedance Network Technology Co., Ltd. Restrictions on in-loop filtering
CN117640927A (zh) 2019-03-04 2024-03-01 北京字节跳动网络技术有限公司 视频编解码中的帧内块复制中的实施方式方面
KR20250121454A (ko) * 2019-03-12 2025-08-12 프라운호퍼-게젤샤프트 추르 푀르데룽 데어 안제반텐 포르슝 에 파우 이미지 및 비디오 코딩을 위한 선택적 인터-컴포넌트 변환
WO2020182207A1 (en) * 2019-03-13 2020-09-17 Beijing Bytedance Network Technology Co., Ltd. Partitions on sub-block transform mode
US11025937B2 (en) * 2019-03-16 2021-06-01 Tencent America LLC Method and apparatus for video coding
US12335508B2 (en) * 2019-03-20 2025-06-17 V-Nova International Limited Residual filtering in signal enhancement coding
BR112021016410A2 (pt) * 2019-03-21 2021-11-09 Samsung Electronics Co Ltd Método de decodificação de vídeo, aparelho de decodificação de vídeo, e método de codificação de vídeo
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
US11240534B2 (en) 2019-04-05 2022-02-01 Qualcomm Incorporated Extended multiple transform selection for video coding
JP7303325B2 (ja) 2019-04-12 2023-07-04 北京字節跳動網絡技術有限公司 ビデオ処理方法、装置、記憶媒体、及び記憶方法
CN116684614A (zh) 2019-04-16 2023-09-01 Lg电子株式会社 解码设备、编码设备和数据发送设备
WO2020213677A1 (ja) * 2019-04-16 2020-10-22 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ 符号化装置、復号装置、符号化方法及び復号方法
PL3952313T3 (pl) * 2019-04-16 2024-07-29 Lg Electronics Inc. Przekształcenie w kodowaniu obrazu opartym na predykcji wewnątrzramkowej
CN113748676B (zh) 2019-04-16 2024-05-10 北京字节跳动网络技术有限公司 帧内编解码模式下的矩阵推导
KR102436368B1 (ko) * 2019-04-16 2022-08-25 엘지전자 주식회사 변환 인덱스를 이용하는 영상 코딩
WO2020211775A1 (en) 2019-04-16 2020-10-22 Mediatek Inc. Methods and apparatuses for coding video data with adaptive secondary transform signaling depending on tb level syntax
US11991393B2 (en) 2019-04-16 2024-05-21 Hfi Innovation Inc. Methods and apparatuses for coding video data with secondary transform
ES3014205T3 (en) 2019-04-20 2025-04-21 Beijing Bytedance Network Tech Co Ltd Signaling of syntax elements for joint coding of chrominance residuals
CN113728636B (zh) 2019-04-23 2022-11-04 北京字节跳动网络技术有限公司 编解码视频中二次变换的选择性使用
CN117097912A (zh) 2019-05-01 2023-11-21 北京字节跳动网络技术有限公司 基于矩阵的帧内预测的上下文编码
CN117241018A (zh) 2019-05-01 2023-12-15 北京字节跳动网络技术有限公司 使用滤波的基于矩阵的帧内预测
CN113841409B (zh) 2019-05-10 2023-12-19 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
WO2020231229A1 (ko) 2019-05-15 2020-11-19 주식회사 엑스리스 영상 신호 부호화/복호화 방법 및 이를 위한 장치
JP7780618B2 (ja) * 2019-05-17 2025-12-04 キヤノン株式会社 ビデオサンプルのブロックを符号化並びに復号するための方法、装置、及びシステム
AU2019232801A1 (en) * 2019-09-17 2021-04-01 Canon Kabushiki Kaisha Method, apparatus and system for encoding and decoding a block of video samples
JP7577690B2 (ja) * 2019-05-17 2024-11-05 キヤノンバージニア， インコーポレイテッド 製造方法、射出成形システムおよび金型
US11032572B2 (en) 2019-05-17 2021-06-08 Qualcomm Incorporated Low-frequency non-separable transform signaling based on zero-out patterns for video coding
CN113875233B (zh) 2019-05-22 2023-12-15 北京字节跳动网络技术有限公司 使用上采样的基于矩阵的帧内预测
US11641471B2 (en) 2019-05-27 2023-05-02 Lg Electronics Inc. Image coding method and device on basis of wide-angle intra prediction and transform
CN113785574B (zh) 2019-05-30 2022-10-11 北京字节跳动网络技术有限公司 色度分量的自适应环路滤波
CN120881276A (zh) * 2019-05-30 2025-10-31 夏普株式会社 图像解码装置
CN113950834B (zh) 2019-05-31 2024-07-09 交互数字Vc控股公司 用于隐式多变换选择的变换选择
CN113924775B (zh) 2019-05-31 2023-11-14 北京字节跳动网络技术有限公司 基于矩阵的帧内预测中的限制的上采样
US11218728B2 (en) 2019-06-04 2022-01-04 Tencent America LLC Method and apparatus for video coding
US11134275B2 (en) * 2019-06-04 2021-09-28 Tencent America LLC Method and apparatus for performing primary transform based on filtering of blocks
CN117768652A (zh) 2019-06-05 2024-03-26 北京字节跳动网络技术有限公司 视频处理方法、装置、介质、以及存储比特流的方法
WO2020246849A1 (ko) * 2019-06-06 2020-12-10 엘지전자 주식회사 변환에 기반한 영상 코딩 방법 및 그 장치
CN117354521A (zh) 2019-06-07 2024-01-05 北京字节跳动网络技术有限公司 视频比特流中的简化二次变换的有条件信令
CN119277086A (zh) 2019-06-10 2025-01-07 株式会社 Xris 用于对图像信号进行编码/解码方法及其装置
US11252410B2 (en) * 2019-06-11 2022-02-15 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
CN113994696B (zh) * 2019-06-15 2025-07-08 北京字节跳动网络技术有限公司 编解码视频中的块尺寸相关的二次变换的使用
CN120075432A (zh) * 2019-06-18 2025-05-30 韩国电子通信研究院 视频编码/解码方法以及发送压缩视频数据的设备
LT3989581T (lt) * 2019-06-19 2025-09-25 Lg Electronics Inc. Perdavimas informacinių signalų, kuriais nurodomas transformacijos branduolių rinkinys koduojant vaizdą
KR102809767B1 (ko) * 2019-06-19 2025-05-16 엘지전자 주식회사 변환에 기반한 영상 코딩 방법 및 그 장치
EP3754981A1 (en) * 2019-06-20 2020-12-23 InterDigital VC Holdings, Inc. Explicit signaling of reduced secondary transform kernel
US11949870B2 (en) 2019-06-21 2024-04-02 Qualcomm Incorporated Context modeling for low-frequency non-separable transformation signaling for video coding
JP6912522B2 (ja) * 2019-06-24 2021-08-04 Kddi株式会社 画像復号装置、画像復号方法及びプログラム
CN115967811A (zh) 2019-06-25 2023-04-14 三星电子株式会社 使用二次变换的视频信号处理方法及装置
GB2585030A (en) * 2019-06-25 2020-12-30 British Broadcasting Corp Method of signalling in a video codec
CN112135148B (zh) * 2019-06-25 2022-05-10 华为技术有限公司 非可分离变换方法以及设备
CA3146016C (en) 2019-07-06 2024-05-07 Beijing Bytedance Network Technology Co., Ltd. Virtual prediction buffer for intra block copy in video coding
CN114175633B (zh) 2019-07-10 2023-12-29 北京字节跳动网络技术有限公司 用于视频编解码中的帧内块复制的样点标识
KR102695788B1 (ko) 2019-07-11 2024-08-14 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 비디오 코딩에서 인트라 블록 복사를 위한 비트스트림 적합 제약
CN119299685A (zh) 2019-07-12 2025-01-10 Lg 电子株式会社 基于变换的图像编译方法及其设备
CN114342409B (zh) * 2019-07-12 2025-01-07 Lg电子株式会社 基于变换的图像编译方法及其设备
WO2021008511A1 (en) 2019-07-14 2021-01-21 Beijing Bytedance Network Technology Co., Ltd. Geometric partition mode candidate list construction in video coding
KR102699362B1 (ko) 2019-08-03 2024-08-28 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 비디오 코딩에서 축소된 2차 변환을 위한 행렬들의 선택
CN119299679A (zh) * 2019-08-06 2025-01-10 交互数字Ce专利控股有限公司 用于视频编码和解码的二次变换
CN119629367A (zh) 2019-08-08 2025-03-14 Lg 电子株式会社 基于变换的图像编译方法及设备
WO2021032045A1 (en) 2019-08-17 2021-02-25 Beijing Bytedance Network Technology Co., Ltd. Context modeling of side information for reduced secondary transforms in video
US11677984B2 (en) 2019-08-20 2023-06-13 Qualcomm Incorporated Low-frequency non-separable transform (LFNST) signaling
US20210084303A1 (en) * 2019-09-12 2021-03-18 Alibaba Group Holding Limited Method and apparatus for coding video data in transform-skip mode
CN110636313B (zh) * 2019-09-18 2022-07-15 浙江大华技术股份有限公司 变换、二次变换矩阵训练方法、编码器及相关装置
CN114521326B (zh) 2019-09-19 2024-07-26 数码士有限公司 使用缩放处理的视频信号处理方法及装置
US11184617B2 (en) 2019-09-19 2021-11-23 Qualcomm Incorporated Transform unit design for video coding
KR102895206B1 (ko) * 2019-09-20 2025-12-03 노키아 테크놀로지스 오와이 비디오 코딩 및 디코딩 장치, 방법 및 컴퓨터 프로그램
US11153576B2 (en) 2019-09-20 2021-10-19 Qualcomm Incorporated Scaling matrices and signaling for video coding
CN114424538B (zh) * 2019-09-20 2025-06-13 Lg电子株式会社 基于变换的图像编码方法及其装置
HUE067103T2 (hu) * 2019-09-21 2024-09-28 Lg Electronics Inc Kép kódolási eljárás transzformáció alapján és eszköz az eljáráshoz
CN117579829A (zh) 2019-09-21 2024-02-20 Lg电子株式会社 图像编码/解码设备以及发送数据的设备
US12206856B2 (en) 2019-09-23 2025-01-21 Lg Electronics Inc. Image coding method based on transform, and device therefor
US11206400B2 (en) 2019-09-26 2021-12-21 Qualcomm Incorporated Low-frequency non-separable transform (LFNST) simplifications
CN114731436B (zh) * 2019-10-04 2023-06-16 Lg电子株式会社 基于变换的图像编码方法及其设备
CN114641997B (zh) 2019-10-28 2024-07-05 北京字节跳动网络技术有限公司 基于颜色分量的语法信令通知和解析
JP7402016B2 (ja) * 2019-11-06 2023-12-20 オッポ広東移動通信有限公司 画像復号装置及び画像符号化装置
CN118474393A (zh) * 2019-11-11 2024-08-09 Lg电子株式会社 图像编码/解码方法、存储介质和数据发送方法
CN119653108A (zh) 2019-11-11 2025-03-18 Lg电子株式会社 图像解码/编码方法和设备、发送方法和设备及存储介质
KR102863117B1 (ko) * 2019-11-11 2025-09-19 엘지전자 주식회사 변환에 기반한 영상 코딩 방법 및 그 장치
MX2022005517A (es) * 2019-11-13 2022-07-19 Lg Electronics Inc Metodo de codificacion de imagenes a base de transformacion y dispositivo para el mismo.
CN120075468A (zh) 2019-11-13 2025-05-30 Lg电子株式会社 解码方法、编码方法和数据发送方法
WO2021096293A1 (ko) 2019-11-13 2021-05-20 엘지전자 주식회사 변환에 기반한 영상 코딩 방법 및 그 장치
US12301854B2 (en) 2019-11-26 2025-05-13 Electronics And Telecommunications Research Institute Image encoding/decoding method using secondary transform based on a transform skip mode flag and a transform matrix index
US11375220B2 (en) * 2019-11-27 2022-06-28 Tencent America LLC Method and apparatus for video decoding using a nominal directional mode and an angular offset
WO2021115387A1 (en) * 2019-12-12 2021-06-17 Mediatek Inc. Methods and apparatus for restricted secondary transform and signaling thereof in image coding
US11470353B2 (en) 2019-12-20 2022-10-11 Qualcomm Incorporated Low-frequency non-separable transform (LFNST) with reduced zero-out in video coding
US11457229B2 (en) 2019-12-23 2022-09-27 Qualcomm Incorporated LFNST signaling for chroma based on chroma transform skip
WO2021134303A1 (zh) * 2019-12-30 2021-07-08 Oppo广东移动通信有限公司 变换方法、编码器、解码器以及存储介质
EP4087252A4 (en) * 2019-12-31 2023-01-25 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Transform method, encoder, decoder, and storage medium
EP4087246A4 (en) * 2019-12-31 2023-02-08 Guangdong Oppo Mobile Telecommunications Corp., Ltd. TRANSFORMATION METHOD, ENCODER, DECODER AND STORAGE MEDIUM
US12095997B2 (en) * 2020-01-10 2024-09-17 Lg Electronics Inc. Transform-based image coding method and device for same
GB2591806B (en) 2020-02-07 2023-07-19 British Broadcasting Corp Chroma intra prediction in video coding and decoding
CN115315944B (zh) 2020-03-07 2025-06-13 抖音视界有限公司 视频编解码中的隐式多变换集信令通知
CN115606182A (zh) * 2020-03-25 2023-01-13 抖音视界有限公司（Cn） 使用增强二次变换的编解码视频处理
US11582491B2 (en) 2020-03-27 2023-02-14 Qualcomm Incorporated Low-frequency non-separable transform processing in video coding
US20210321137A1 (en) 2020-03-30 2021-10-14 Qualcomm Incorporated Low-frequency non-separable transform index signaling in video coding
US11616983B2 (en) * 2020-05-05 2023-03-28 Tencent America LLC Joint component secondary transform
US11272212B2 (en) * 2020-05-12 2022-03-08 Tencent America LLC Tuned line graph transforms
US11310529B2 (en) * 2020-05-27 2022-04-19 Tencent America LLC Mode-dependent joint component transform
US11785254B2 (en) 2020-05-29 2023-10-10 Tencent America LLC Implicit mode dependent primary transforms
US11606577B2 (en) 2020-06-09 2023-03-14 Alibaba Group Holding Limited Method for processing adaptive color transform and low-frequency non-separable transform in video coding
US11206428B1 (en) 2020-07-14 2021-12-21 Tencent America LLC Method and apparatus for frequency-dependent joint component secondary transform
US11683490B2 (en) 2020-09-10 2023-06-20 Tencent America LLC Context adaptive transform set
US11871010B2 (en) 2020-10-02 2024-01-09 Qualcomm Incorporated Extended low-frequency non-separable transform (LFNST) designs with worst-case complexity handling
US11611770B2 (en) * 2020-10-14 2023-03-21 Tencent America LLC Method and apparatus for video coding
US11930186B2 (en) * 2020-11-11 2024-03-12 Tencent America LLC Method and apparatus for video coding
US20220150518A1 (en) * 2020-11-11 2022-05-12 Tencent America LLC Method and apparatus for video coding
US11924471B2 (en) 2020-11-12 2024-03-05 Qualcomm Incorporated Context-based transform index signaling in video coding
US12341956B2 (en) * 2020-11-23 2025-06-24 Hyundai Motor Company Image encoding and decoding method using adaptive alternative mode
CN114598871B (zh) * 2020-12-03 2024-08-23 杭州海康威视数字技术股份有限公司 一种编码、解码方法、装置及其设备
KR20230169985A (ko) * 2021-04-12 2023-12-18 엘지전자 주식회사 저주파 비분리 변환 설계 방법 및 장치
US12309405B2 (en) * 2021-04-16 2025-05-20 Tencent America LLC Interaction between transform partitioning and primary/secondary transform type selection
US11800110B2 (en) 2021-04-20 2023-10-24 Tencent America LLC Adaptive scanning with multiple transform selection
US12368890B2 (en) 2021-05-12 2025-07-22 Nokia Technologies Oy Method, an apparatus and a computer program product for video encoding and video decoding
EP4358517A4 (en) * 2021-06-16 2025-06-11 LG Electronics Inc. Method and apparatus for designing a non-separable low-frequency transformer
WO2023282625A1 (ko) * 2021-07-06 2023-01-12 엘지전자 주식회사 비분리 1차 변환에 기반한 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장하는 기록 매체
CN116325750A (zh) * 2021-08-30 2023-06-23 腾讯美国有限责任公司 用于具有自适应内核选项的二次变换的方法和装置
US12335478B2 (en) * 2021-08-30 2025-06-17 Tencent America LLC Scan order of secondary transform coefficients
CN116636205A (zh) * 2021-08-30 2023-08-22 腾讯美国有限责任公司 次级变换系数的扫描顺序
WO2023191332A1 (ko) * 2022-03-28 2023-10-05 현대자동차주식회사 적응적 다중변환선택을 이용하는 비디오 코딩을 위한 방법 및 장치
WO2024138083A1 (en) * 2022-12-22 2024-06-27 Beijing Dajia Internet Information Technology Co., Ltd. Methods and apparatus for transform training and coding
CN121128168A (zh) * 2023-04-18 2025-12-12 现代自动车株式会社 根据预测模式选择变换核和逆变换核的用于视频编码的方法和装置
TW202510574A (zh) * 2023-07-05 2025-03-01 聯發科技股份有限公司 使用多個模型改進影片編解碼的方法與裝置
US20250099849A1 (en) * 2023-09-26 2025-03-27 Sony Interactive Entertainment Inc. Adaptive encoding based on individual gamer sensitivity to visual artifacts
US12439089B2 (en) 2023-10-04 2025-10-07 Tencent America LLC Short distance predictions for residual blocks
US12368892B2 (en) 2023-10-04 2025-07-22 Tencent America LLC Flexible transform scheme for residual blocks

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8619853B2 (en) * 2007-06-15 2013-12-31 Qualcomm Incorporated Separable directional transforms
KR20120046725A (ko) 2009-08-06 2012-05-10 파나소닉 주식회사 부호화 방법, 복호 방법, 부호화 장치 및 복호 장치
US9661338B2 (en) * 2010-07-09 2017-05-23 Qualcomm Incorporated Coding syntax elements for adaptive scans of transform coefficients for video coding
WO2012014461A1 (ja) 2010-07-28 2012-02-02 パナソニック株式会社 符号化方法および復号化方法
US10992958B2 (en) * 2010-12-29 2021-04-27 Qualcomm Incorporated Video coding using mapped transforms and scanning modes
AU2012232992A1 (en) * 2012-09-28 2014-04-17 Canon Kabushiki Kaisha Method, apparatus and system for encoding and decoding the transform units of a coding unit
US10306229B2 (en) 2015-01-26 2019-05-28 Qualcomm Incorporated Enhanced multiple transforms for prediction residual
US9998742B2 (en) 2015-01-27 2018-06-12 Qualcomm Incorporated Adaptive cross component residual prediction
US10681379B2 (en) 2015-09-29 2020-06-09 Qualcomm Incorporated Non-separable secondary transform for video coding with reorganizing

Also Published As

Publication number Publication date
KR102798866B1 (ko) 2025-04-21
AU2016332317A1 (en) 2018-04-26
EP3357242B1 (en) 2023-12-06
TW201722152A (zh) 2017-06-16
TW201715888A (zh) 2017-05-01
BR112018006367A2 (pt) 2018-10-09
CN108141597B (zh) 2022-03-08
KR20180063187A (ko) 2018-06-11
CN108141596A (zh) 2018-06-08
US10491922B2 (en) 2019-11-26
EP3357242C0 (en) 2023-12-06
AU2016332318A1 (en) 2018-04-26
JP2018530245A (ja) 2018-10-11
US10873762B2 (en) 2020-12-22
BR112018006398A2 (pt) 2018-10-09
WO2017058615A1 (en) 2017-04-06
JP6995744B2 (ja) 2022-01-17
CN108141597A (zh) 2018-06-08
WO2017058614A1 (en) 2017-04-06
KR20180063186A (ko) 2018-06-11
US20170094314A1 (en) 2017-03-30
US20170094313A1 (en) 2017-03-30
US20200092583A1 (en) 2020-03-19
EP3357242A1 (en) 2018-08-08
EP3357243A1 (en) 2018-08-08
CN108141596B (zh) 2022-03-08
US10681379B2 (en) 2020-06-09
JP2018530247A (ja) 2018-10-11
JP6884770B2 (ja) 2021-06-09

Similar Documents

Publication Publication Date Title
US10873762B2 (en) Non-separable secondary transform for video coding
KR102435840B1 (ko) 비분리형 변환들을 위한 메모리 감소
US11095893B2 (en) Primary transform and secondary transform in video coding
KR102227898B1 (ko) 비디오 코딩에서 부호 데이터 은닉의 디스에이블링
CN103959785B (zh) 在视频译码中用于色度分量的变换单位分割
KR102334126B1 (ko) 인트라 블록 복사를 위한 레지듀얼 예측
KR20210142642A (ko) 비디오 코딩을 위한 확장된 다중 변환 선택
KR102031468B1 (ko) 팔레트 모드 코딩을 위한 이스케이프 픽셀들 코딩
KR20190052008A (ko) 비디오 코딩을 위한 변환 선택
WO2015038928A1 (en) Partial intra block copying for video coding
CN103621082A (zh) 视频译码中的量化
HK40015265A (en) Memory reduction for non-separable transforms

Legal Events

Date Code Title Description
PA0105 International application

Patent event date: 20180426

Patent event code: PA01051R01D

Comment text: International Patent Application

PG1501 Laying open of application
PA0201 Request for examination

Patent event code: PA02012R01D

Patent event date: 20210903

Comment text: Request for Examination of Application

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 20240607

Patent event code: PE09021S01D

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: 20250226

GRNT Written decision to grant
PR0701 Registration of establishment

Comment text: Registration of Establishment

Patent event date: 20250417

Patent event code: PR07011E01D

PR1002 Payment of registration fee

Payment date: 20250417

End annual number: 3

Start annual number: 1

PG1601 Publication of registration