CN108141596B - 用于视频译码的非可分离二次变换 - Google Patents

用于视频译码的非可分离二次变换 Download PDF

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CN108141596B
CN108141596B CN201680056021.2A CN201680056021A CN108141596B CN 108141596 B CN108141596 B CN 108141596B CN 201680056021 A CN201680056021 A CN 201680056021A CN 108141596 B CN108141596 B CN 108141596B
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transform
block
video
subset
coefficients
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CN108141596A (zh
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赵欣
陈建乐
阿米尔·赛义德
马尔塔·卡切维奇
瓦迪姆·谢廖金
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Qualcomm 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
    • H04N19/60—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
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    • 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
    • H04N19/18—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
    • H04N19/17—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
    • H04N19/182—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

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  • 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)
CN201680056021.2A 2015-09-29 2016-09-21 用于视频译码的非可分离二次变换 Active CN108141596B (zh)

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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

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Families Citing this family (249)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107211146A (zh) * 2014-11-21 2017-09-26 Vid拓展公司 一维变换模式和系数扫描顺序
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
EP3335215B1 (en) * 2016-03-21 2020-05-13 Huawei Technologies Co., Ltd. Adaptive quantization of weighted matrix coefficients
US10623774B2 (en) 2016-03-22 2020-04-14 Qualcomm Incorporated Constrained block-level optimization and signaling for video coding tools
CN117499646A (zh) * 2016-04-29 2024-02-02 英迪股份有限公司 图像解码方法、图像编码方法和用于发送比特流的方法
CN109155851A (zh) * 2016-05-02 2019-01-04 汉阳大学校产学协力团 利用画面内预测的影像编码、解码方法及装置
KR102397673B1 (ko) * 2016-05-13 2022-05-16 소니그룹주식회사 화상 처리 장치 및 방법
US10887626B2 (en) * 2016-05-13 2021-01-05 Sharp Kabushiki Kaisha Image decoding device and image encoding device
WO2017195667A1 (ja) * 2016-05-13 2017-11-16 ソニー株式会社 画像処理装置および方法
US10547854B2 (en) 2016-05-13 2020-01-28 Qualcomm Incorporated Neighbor based signaling of intra prediction modes
CA3025488A1 (en) 2016-05-25 2017-11-30 Arris Enterprises Llc Weighted angular prediction for intra coding
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.
US20210343388A1 (en) * 2016-05-31 2021-11-04 Digital Hospital, Inc. Dosage Determination Apparatus
CN117221600A (zh) 2016-06-22 2023-12-12 Lx 半导体科技有限公司 图像编码/解码设备以及传输图像数据的设备
KR20180007680A (ko) * 2016-07-13 2018-01-23 한국전자통신연구원 영상 부호화/복호화 방법 및 장치
CN109716767B (zh) * 2016-07-14 2021-09-21 弗劳恩霍夫应用研究促进协会 使用基于变换的残差编码的预测图像编码
WO2018030599A1 (ko) * 2016-08-08 2018-02-15 엘지전자(주) 인트라 예측 모드 기반 영상 처리 방법 및 이를 위한 장치
CN114501006B (zh) * 2016-09-20 2025-03-04 株式会社Kt 视频解码方法、视频编码方法和发送压缩视频数据的装置
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
BR122021000920B1 (pt) * 2016-12-23 2023-12-19 Huawei Technologies Co., Ltd Aparelho de codificação para codificar um bloco de codificação de vídeo retangular e aparelho de decodificação para decodificar um bloco de codificação de vídeo retangular codificado
CA3048426C (en) 2016-12-28 2024-01-02 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
KR102302797B1 (ko) 2017-04-13 2021-09-16 엘지전자 주식회사 영상의 부호화/복호화 방법 및 이를 위한 장치
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
KR102361010B1 (ko) * 2017-06-21 2022-02-09 엘지전자 주식회사 영상 코딩 시스템에서 인트라 예측에 따른 영상 디코딩 방법 및 장치
US11134272B2 (en) * 2017-06-29 2021-09-28 Qualcomm Incorporated Memory reduction for non-separable transforms
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
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
CN110832865A (zh) * 2017-07-04 2020-02-21 三星电子株式会社 图像编码方法和设备以及图像解码方法和设备
TWI812414B (zh) * 2017-07-13 2023-08-11 美商松下電器（美國）知識產權公司 編碼裝置、解碼裝置及記錄媒體
TWI777907B (zh) * 2017-07-13 2022-09-11 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、解碼方法及電腦可讀取之非暫時性媒體
KR20250039484A (ko) * 2017-07-28 2025-03-20 파나소닉 인텔렉츄얼 프로퍼티 코포레이션 오브 아메리카 부호화 장치, 복호 장치, 부호화 방법 및 복호 방법
CA3070678A1 (en) * 2017-07-28 2019-01-31 Panasonic Intellectual Property Corporation Of America Encoder, decoder, encoding method, and decoding method
KR102450506B1 (ko) * 2017-07-31 2022-10-05 한국전자통신연구원 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
RU2769944C1 (ru) * 2017-08-04 2022-04-11 ЭлДжи ЭЛЕКТРОНИКС ИНК. Способ и устройство для конфигурирования преобразования для сжатия видео
CN116996669A (zh) * 2017-09-28 2023-11-03 三星电子株式会社 编码方法和装置以及解码方法和装置
WO2019076138A1 (en) * 2017-10-16 2019-04-25 Huawei Technologies Co., Ltd. Encoding method and apparatus
CN111602392B (zh) 2017-11-09 2023-04-14 三星电子株式会社 用于基于运动矢量分辨率对图像进行编码的设备和方法以及解码设备和方法
US20200374516A1 (en) * 2017-12-04 2020-11-26 Lg Electronics Inc. Image decoding method and apparatus based on efficient transformation of chroma component in image coding system
EP3496401A1 (en) * 2017-12-05 2019-06-12 Thomson Licensing Method and apparatus for video encoding and decoding based on block shape
CN115278234B (zh) * 2017-12-15 2024-12-10 Lg电子株式会社 图像编解码方法和发送方法及非暂态计算机可读存储介质
US11252420B2 (en) * 2017-12-15 2022-02-15 Lg Electronics Inc. Image coding method on basis of secondary transform and device therefor
CN111543058B (zh) * 2017-12-15 2023-09-01 Lg电子株式会社 基于不可分离二次变换的图像编码方法和用于其的装置
GB2580268B (en) 2017-12-18 2023-03-08 Arris Entpr Llc System and method for constructing a plane for planar prediction
MX2020006623A (es) * 2017-12-21 2020-09-14 Lg Electronics Inc Metodo para codificar imagen con base en transformacion selectiva y dispositivo para el mismo.
CN111492658A (zh) * 2017-12-22 2020-08-04 交互数字Vc控股公司 使用有效多个变换进行视频压缩的方法和装置
CN115065821B (zh) * 2017-12-28 2024-03-15 松下电器（美国）知识产权公司 编码装置和解码装置
JP7121133B2 (ja) 2018-02-23 2022-08-17 華為技術有限公司 ビデオ符号化のための位置依存の空間変化変換
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
KR20240040133A (ko) * 2018-04-01 2024-03-27 엘지전자 주식회사 분할된 블록에 2차 변환을 적용하여 비디오 신호를 처리하는 방법 및 장치
SI3764649T1 (sl) * 2018-04-01 2023-12-29 Lg Electronics Inc. Obdelava video signala z uporabo reducirne sekundarne transformacije
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
PL3782361T3 (pl) 2018-05-31 2023-12-27 Huawei Technologies Co., Ltd. Przestrzennie zmienna transformacja z transformacją typu adaptacyjnego
US10645396B2 (en) * 2018-06-04 2020-05-05 Tencent America LLC Method and apparatus for implicit transform splitting
US10687081B2 (en) 2018-06-29 2020-06-16 Tencent America LLC Method, apparatus and medium for decoding or encoding
WO2020006304A1 (en) * 2018-06-29 2020-01-02 Vid Scale, Inc. Adaptive control point selection for affine motion model based video coding
US10666981B2 (en) 2018-06-29 2020-05-26 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
KR20250162931A (ko) * 2018-07-02 2025-11-19 광동 오포 모바일 텔레커뮤니케이션즈 코포레이션 리미티드 이차 변환을 기반으로 비디오 신호를 처리하는 방법 및 장치
CN117097892A (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
US11689744B2 (en) * 2018-07-12 2023-06-27 Lg Electronics Inc. Methods and apparatuses for processing video signal
MY201282A (en) 2018-07-13 2024-02-15 Ericsson Telefon Ab L M 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
CN116527891A (zh) * 2018-08-12 2023-08-01 Lg电子株式会社 解码方法、编码方法、可读介质和图像的数据的发送方法
KR102765982B1 (ko) 2018-09-02 2025-02-07 엘지전자 주식회사 영상 신호를 처리하기 위한 방법 및 장치
WO2020046084A1 (ko) * 2018-09-02 2020-03-05 엘지전자 주식회사 영상 신호를 처리하기 위한 방법 및 장치
WO2020046085A1 (ko) * 2018-09-02 2020-03-05 엘지전자 주식회사 영상 신호를 처리하기 위한 방법 및 장치
EP3723376A4 (en) * 2018-09-02 2021-01-27 LG Electronics Inc. VIDEO SIGNAL CODING / DECODING PROCESS AND DEVICE FOR THE SAME
EP4664892A2 (en) * 2018-09-05 2025-12-17 LG Electronics Inc. Method for encoding/decoding video signal, and apparatus therefor
KR102825862B1 (ko) * 2018-09-05 2025-06-26 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
KR102870740B1 (ko) * 2018-09-19 2025-10-14 한국전자통신연구원 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
JP7578584B2 (ja) * 2018-09-21 2024-11-06 インターデジタル ヴイシー ホールディングス， インコーポレイテッド イントラ変換コード化及び広角イントラ予測の調和
EP4258659A3 (en) * 2018-09-23 2023-11-22 LG Electronics Inc. Method for encoding/decoding video signals and apparatus therefor
US11218694B2 (en) * 2018-09-24 2022-01-04 Qualcomm Incorporated Adaptive multiple transform coding
WO2020067694A1 (ko) * 2018-09-24 2020-04-02 엘지전자 주식회사 영상 신호를 처리하기 위한 방법 및 장치
WO2020071736A1 (ko) 2018-10-01 2020-04-09 엘지전자 주식회사 비디오 신호의 부호화/복호화 방법 및 이를 위한 장치
CN116347072A (zh) * 2018-10-12 2023-06-27 Oppo广东移动通信有限公司 视频信号的编码方法和解码方法及其装置
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
KR102680055B1 (ko) * 2018-11-12 2024-06-28 엘지전자 주식회사 고주파 제로잉을 기반으로 변환 계수를 코딩하는 방법 및 그 장치
CN119135898A (zh) * 2018-11-22 2024-12-13 交互数字Vc控股公司 用于视频编码和解码的方法和装置
KR102807906B1 (ko) 2018-12-06 2025-05-14 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
WO2020130577A1 (ko) * 2018-12-18 2020-06-25 엘지전자 주식회사 이차 변환에 기반한 영상 코딩 방법 및 그 장치
CN113228685B (zh) * 2018-12-19 2023-08-04 Lg电子株式会社 用于基于二次变换编码图像的方法及其装置
EP4535792A3 (en) 2018-12-19 2025-04-30 LG Electronics Inc. Video coding method on basis of secondary transform, and device for same
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
CN113519155B (zh) * 2019-01-02 2024-09-27 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
WO2020145582A1 (ko) * 2019-01-07 2020-07-16 엘지전자 주식회사 이차 변환에 기반한 영상 코딩 방법 및 그 장치
CN113411612B (zh) 2019-01-11 2022-06-24 华为技术有限公司 对图像块进行视频译码的方法、解码设备和编/解码器
CN116781895A (zh) 2019-01-12 2023-09-19 Lg电子株式会社 解码设备、编码设备和图像数据发送设备
CN117812271A (zh) 2019-02-01 2024-04-02 Lg电子株式会社 图像解码方法、图像编码方法、存储介质和发送方法
US11595663B2 (en) 2019-02-01 2023-02-28 Qualcomm Incorporated Secondary transform designs for partitioned transform units in video coding
CN113383543B (zh) 2019-02-02 2025-08-29 北京字节跳动网络技术有限公司 使用用于视频编解码中的帧内块复制的额外缓冲区样点的预测
CN113366844B (zh) 2019-02-02 2023-10-03 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缓冲区中的数据存储
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
CN118694974A (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
WO2020177659A1 (en) 2019-03-01 2020-09-10 Beijing Bytedance Network Technology Co., Ltd. Direction-based prediction for intra block copy in video coding
KR102688366B1 (ko) 2019-03-01 2024-07-24 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 비디오 코딩에서 인트라 블록 복사를 위한 방향 기반 예측
CN113545036B (zh) * 2019-03-02 2023-11-28 北京字节跳动网络技术有限公司 对环路内滤波的限制
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
CN113678450B (zh) * 2019-03-12 2024-09-13 弗劳恩霍夫应用研究促进协会 用于图像和视频编码的选择性分量间变换(ict)
WO2020182213A1 (en) 2019-03-13 2020-09-17 Beijing Bytedance Network Technology Co., Ltd. Sub-block transform in transform skip mode
US11025937B2 (en) * 2019-03-16 2021-06-01 Tencent America LLC Method and apparatus for video coding
GB2599509B (en) * 2019-03-20 2023-08-23 V Nova Int Ltd Residual filtering in signal enhancement coding
EP3890319B1 (en) * 2019-03-21 2024-06-26 Samsung Electronics Co., Ltd. Method and device for encoding video having block size set for each block shape, and method and device for decoding video
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
WO2020207491A1 (en) 2019-04-12 2020-10-15 Beijing Bytedance Network Technology Co., Ltd. Calculation in matrix-based intra prediction
WO2020213946A1 (ko) * 2019-04-16 2020-10-22 엘지전자 주식회사 변환 인덱스를 이용하는 영상 코딩
HUE071083T2 (hu) * 2019-04-16 2025-07-28 Lg Electronics Inc Transzformáció mátrix alapú intra predikcióhoz képkódolásnál
CN114223207B (zh) * 2019-04-16 2023-09-22 寰发股份有限公司 用次要变换编解码视讯数据的方法以及装置
HRP20240832T1 (hr) 2019-04-16 2024-11-08 Lg Electronics Inc. Transformacija u kodiranju slike utemeljenom na intra predviđanju
KR102744182B1 (ko) 2019-04-16 2024-12-19 두인 비전 컴퍼니 리미티드 인트라 코딩 모드에서의 행렬 도출
CA3135146A1 (en) * 2019-04-16 2020-10-22 Panasonic Intellectual Property Corporation Of America Encoder, decoder, encoding method, and decoding method
EP3949414A4 (en) * 2019-04-16 2023-04-12 HFI Innovation Inc. Methods and apparatuses for coding video data with adaptive secondary transform signaling
KR102630411B1 (ko) 2019-04-20 2024-01-29 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 크로마 잔차 조인트 코딩을 위한 구문 요소의 시그널링
CN116743994A (zh) 2019-04-23 2023-09-12 北京字节跳动网络技术有限公司 用于处理视频数据的方法和装置
TW202527550A (zh) * 2019-04-26 2025-07-01 美商松下電器（美國）知識產權公司 編碼裝置、解碼裝置、及非暫時性記憶媒體
KR102736164B1 (ko) 2019-05-01 2024-12-03 두인 비전 컴퍼니 리미티드 필터링을 이용한 행렬 기반 인트라 예측
WO2020221372A1 (en) 2019-05-01 2020-11-05 Beijing Bytedance Network Technology Co., Ltd. Context coding for matrix-based intra prediction
KR102655582B1 (ko) 2019-05-10 2024-04-09 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 비디오 처리를 위한 다중 이차 변환 행렬
US11973984B2 (en) 2019-05-15 2024-04-30 Xris Corporation Method for encoding/decoding image signal and apparatus therefor
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
US11032572B2 (en) 2019-05-17 2021-06-08 Qualcomm Incorporated Low-frequency non-separable transform signaling based on zero-out patterns for video coding
AU2019232801A1 (en) 2019-09-17 2021-04-01 Canon Kabushiki Kaisha Method, apparatus and system for encoding and decoding a block of video samples
EP3969249A4 (en) * 2019-05-17 2023-02-01 Canon Virginia, Inc. MANUFACTURING PROCESS, INJECTION MOLDING SYSTEM AND MOLD
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
CN113940074B (zh) * 2019-05-27 2024-12-17 北京小米移动软件有限公司 基于广角帧内预测和变换的图像编码方法和装置
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
CN113892265B (zh) * 2019-05-30 2025-10-24 夏普株式会社 图像解码装置
US12267529B2 (en) 2019-05-31 2025-04-01 Interdigital Vc Holdings, Inc. Transform selection for implicit multiple transform selection
WO2020239017A1 (en) * 2019-05-31 2020-12-03 Beijing Bytedance Network Technology Co., Ltd. One-step downsampling process in matrix-based intra prediction
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
EP3963885A4 (en) 2019-06-05 2022-12-14 Beijing Bytedance Network Technology Co., Ltd. Context determination for matrix-based intra prediction
CN117336484B (zh) * 2019-06-06 2025-12-16 Oppo广东移动通信有限公司 图像解码和编码设备及发送比特流的设备
EP3967032A4 (en) 2019-06-07 2022-07-27 Beijing Bytedance Network Technology Co., Ltd. CONDITIONAL SIGNALING OF A REDUCED SECONDARY TRANSFORM FOR VIDEO BIANARY FLOWS
KR20200141399A (ko) * 2019-06-10 2020-12-18 주식회사 엑스리스 영상 신호 부호화/복호화 방법 및 이를 위한 장치
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
WO2020253642A1 (en) * 2019-06-15 2020-12-24 Beijing Bytedance Network Technology Co., Ltd. Block size dependent use of secondary transforms in coded video
KR20200144511A (ko) 2019-06-18 2020-12-29 한국전자통신연구원 2차 변환을 이용한 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
KR20250085844A (ko) 2019-06-19 2025-06-12 엘지전자 주식회사 영상 코딩에서 변환 커널 세트를 나타내는 정보의 시그널링
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
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
WO2020262995A1 (ko) * 2019-06-25 2020-12-30 주식회사 윌러스표준기술연구소 2차 변환을 이용하는 비디오 신호 처리 방법 및 장치
GB2585030A (en) 2019-06-25 2020-12-30 British Broadcasting Corp Method of signalling in a video codec
CN114175645B (zh) 2019-07-06 2024-04-12 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虚拟预测缓冲
KR102635519B1 (ko) 2019-07-10 2024-02-07 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 비디오 코딩에서 인트라 블록 카피를 위한 샘플 식별
EP3981146A4 (en) 2019-07-11 2022-08-03 Beijing Bytedance Network Technology Co., Ltd. BITSTREAM COMPLIANCE CONSTRAINTS FOR INTRA-BLOCK COPY IN VIDEO ENCODING
CN119299687A (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
KR20250164327A (ko) * 2019-07-12 2025-11-24 엘지전자 주식회사 변환에 기반한 영상 코딩 방법 및 그 장치
CN117354547A (zh) 2019-07-14 2024-01-05 北京字节跳动网络技术有限公司 自适应参数集中的自适应环路滤波的指示
CN117376555A (zh) 2019-08-03 2024-01-09 北京字节跳动网络技术有限公司 视频编解码中缩减二次变换的矩阵的选择
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
CN115552897B (zh) * 2019-09-12 2025-04-29 阿里巴巴集团控股有限公司 采用变换跳过模式编码视频数据的方法和设备
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
BR112022005281A8 (pt) * 2019-09-19 2023-03-21 Humax Co Ltd Método e aparelho de processamento de sinal de vídeo usando processo de escala
US11184617B2 (en) * 2019-09-19 2021-11-23 Qualcomm Incorporated Transform unit design for video coding
KR20250162958A (ko) * 2019-09-20 2025-11-19 엘지전자 주식회사 변환에 기반한 영상 코딩 방법 및 그 장치
MX2022003287A (es) * 2019-09-20 2022-04-12 Nokia Technologies Oy Un aparato, un metodo y un programa informatico para codificacion y decodificacion de video.
US11153576B2 (en) 2019-09-20 2021-10-19 Qualcomm Incorporated Scaling matrices and signaling for video coding
JP7299413B2 (ja) * 2019-09-21 2023-06-27 エルジー エレクトロニクス インコーポレイティド 変換に基づく映像コーディング方法及びその装置
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
WO2021060827A1 (ko) * 2019-09-23 2021-04-01 엘지전자 주식회사 변환에 기반한 영상 코딩 방법 및 그 장치
US11206400B2 (en) 2019-09-26 2021-12-21 Qualcomm Incorporated Low-frequency non-separable transform (LFNST) simplifications
EP4017010A4 (en) * 2019-10-04 2022-11-16 LG Electronics Inc. TRANSFORMATION-BASED IMAGE CODING METHOD AND APPARATUS THEREOF
JP7404526B2 (ja) 2019-10-28 2023-12-25 北京字節跳動網絡技術有限公司 カラーコンポーネントに基づくシンタックスシグナリング及び構文解析
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
WO2021096173A1 (ko) * 2019-11-11 2021-05-20 엘지전자 주식회사 변환에 기반한 영상 코딩 방법 및 그 장치
CN119788858A (zh) * 2019-11-11 2025-04-08 Lg电子株式会社 图像解码/编码设备和数据发送设备
EP4060993A4 (en) * 2019-11-11 2023-12-13 LG Electronics Inc. TRANSFORM-BASED IMAGE CODING METHOD AND ASSOCIATED DEVICE
CN114946189B (zh) 2019-11-13 2025-01-14 Lg电子株式会社 基于变换的图像编码方法及其装置
CN114930848B (zh) * 2019-11-13 2025-08-05 Lg电子株式会社 基于变换的图像编码方法及其设备
CN114930847B (zh) 2019-11-13 2025-04-25 Lg电子株式会社 基于变换的图像编码方法及其装置
KR20210065063A (ko) 2019-11-26 2021-06-03 한국전자통신연구원 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
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
CN115066899A (zh) * 2019-12-02 2022-09-16 抖音视界有限公司 编解码视频的可分二次变换处理
EP4074036A4 (en) * 2019-12-12 2023-12-20 HFI Innovation Inc. METHODS AND APPARATUS FOR RESTRICTED SECONDARY TRANSFORMATION AND ASSOCIATED SIGNALING 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
WO2021134637A1 (zh) * 2019-12-31 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
WO2021134635A1 (zh) 2019-12-31 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
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
WO2021180020A1 (en) * 2020-03-07 2021-09-16 Beijing Bytedance Network Technology Co., Ltd. Implicit multiple transform set signaling in video coding
WO2021190593A1 (en) * 2020-03-25 2021-09-30 Beijing Bytedance Network Technology Co., Ltd. Coded video processing using enhanced secondary transform
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
CN117296325A (zh) * 2021-04-12 2023-12-26 Lg电子株式会社 用于设计低频不可分离变换的方法和设备
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
EP4338417A4 (en) 2021-05-12 2025-03-26 Nokia Technologies Oy A method, an apparatus and a computer program product for video encoding and video decoding
KR20240010480A (ko) * 2021-06-16 2024-01-23 엘지전자 주식회사 저주파 비분리 변환 설계 방법 및 장치
EP4369715A4 (en) * 2021-07-06 2025-07-23 Lg Electronics Inc IMAGE ENCODING/DECODING METHOD AND DEVICE BASED ON NON-SEPARABLE PRIMARY TRANSFORM, AND RECORDING MEDIUM FOR STORING BIT STREAM
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
EP4397041A4 (en) * 2021-08-30 2024-12-18 Tencent America LLC METHOD AND APPARATUS FOR SECONDARY TRANSFORMATION WITH ADAPTIVE KERNEL OPTIONS
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

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102474268A (zh) * 2009-08-06 2012-05-23 松下电器产业株式会社 编码方法、解码方法、编码装置及解码装置
CN102986216A (zh) * 2010-07-09 2013-03-20 高通股份有限公司 基于大小及帧内模式或基于边缘检测的用于帧内块的自适应频率变换

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8488668B2 (en) * 2007-06-15 2013-07-16 Qualcomm Incorporated Adaptive coefficient scanning 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

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102474268A (zh) * 2009-08-06 2012-05-23 松下电器产业株式会社 编码方法、解码方法、编码装置及解码装置
CN102986216A (zh) * 2010-07-09 2013-03-20 高通股份有限公司 基于大小及帧内模式或基于边缘检测的用于帧内块的自适应频率变换

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