JP2019525575A5 - - Google Patents

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JP2019525575A5
JP2019525575A5 JP2019500664A JP2019500664A JP2019525575A5 JP 2019525575 A5 JP2019525575 A5 JP 2019525575A5 JP 2019500664 A JP2019500664 A JP 2019500664A JP 2019500664 A JP2019500664 A JP 2019500664A JP 2019525575 A5 JP2019525575 A5 JP 2019525575A5
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JP2019500664A 2016-07-15 2017-07-14 拡張型多重変換のためのルックアップテーブル Active JP7033117B2 (ja)

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US201662363188P 2016-07-15 2016-07-15
US62/363,188 2016-07-15
US15/649,612 2017-07-13
US15/649,612 US10972733B2 (en) 2016-07-15 2017-07-13 Look-up table for enhanced multiple transform
PCT/US2017/042181 WO2018013953A1 (en) 2016-07-15 2017-07-14 Look-up table for enhanced multiple transform

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JP2019525575A5 true JP2019525575A5 (enExample) 2020-08-06
JP7033117B2 JP7033117B2 (ja) 2022-03-09

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JP (1) JP7033117B2 (enExample)
KR (1) KR102519245B1 (enExample)
CN (1) CN109691101B (enExample)
BR (1) BR112019000344A2 (enExample)
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Families Citing this family (118)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10972733B2 (en) 2016-07-15 2021-04-06 Qualcomm Incorporated Look-up table for enhanced multiple transform
US10506228B2 (en) * 2016-10-04 2019-12-10 Qualcomm Incorporated Variable number of intra modes for video coding
US10554974B2 (en) * 2017-01-13 2020-02-04 Mediatek Inc. Method and apparatus enabling adaptive multiple transform for chroma transport blocks using control flags
JP2020517191A (ja) * 2017-04-13 2020-06-11 エルジー エレクトロニクス インコーポレイティド ビデオ信号をエントロピエンコード、デコードする方法及び装置
US10750181B2 (en) * 2017-05-11 2020-08-18 Mediatek Inc. Method and apparatus of adaptive multiple transforms for video coding
US11228757B2 (en) 2017-05-31 2022-01-18 Interdigital Vc Holdings, Inc. Method and a device for picture encoding and decoding
WO2018226067A1 (ko) * 2017-06-08 2018-12-13 엘지전자 주식회사 비디오 압축을 위한 변환 커널의 저복잡도 연산을 수행하는 방법 및 장치
US11070806B2 (en) * 2017-06-28 2021-07-20 Lg Electronics Inc. Method and apparatus for performing low complexity computation in transform kernel for video compression
CN111133758B (zh) * 2017-09-28 2022-05-10 夏普株式会社 图像解码装置以及图像编码装置
WO2019076138A1 (en) 2017-10-16 2019-04-25 Huawei Technologies Co., Ltd. Encoding method and apparatus
EP3725083A1 (en) 2017-12-14 2020-10-21 InterDigital VC Holdings, Inc. Method and apparatus for encoding a picture block
KR102489149B1 (ko) * 2017-12-21 2023-01-17 엘지전자 주식회사 선택적 변환에 기반한 영상 코딩 방법 및 그 장치
EP3729807A1 (en) * 2017-12-22 2020-10-28 InterDigital VC Holdings, Inc. Method and apparatus for video compression using efficient multiple transforms
EP3503549A1 (en) * 2017-12-22 2019-06-26 Thomson Licensing Method and apparatus for video compression using efficient multiple transforms
CN117834919A (zh) * 2018-01-17 2024-04-05 英迪股份有限公司 对视频进行解码或编码的方法和用于发送比特流的方法
KR102907066B1 (ko) 2018-01-29 2026-01-05 인터디지털 브이씨 홀딩스 인코포레이티드 재구성된 픽처의 정제를 갖는 인코딩 및 디코딩
EP3518542A1 (en) * 2018-01-30 2019-07-31 Thomson Licensing Methods and devices for picture encoding and decoding using multiple transforms
WO2019152131A1 (en) * 2018-01-30 2019-08-08 Interdigital Vc Holdings, Inc. Methods and devices for picture encoding and decoding using multiple transforms
US10812797B2 (en) * 2018-02-05 2020-10-20 Tencent America LLC Method, apparatus and medium for decoding or encoding using a low-complexity transform
US10567801B2 (en) 2018-03-07 2020-02-18 Tencent America LLC Method and apparatus for video coding with primary and secondary transforms
US11368691B2 (en) * 2018-03-29 2022-06-21 Lg Electronics Inc. Method and device for designing low-complexity calculation DST7
WO2019190284A1 (ko) * 2018-03-29 2019-10-03 엘지전자 주식회사 비디오 압축을 위한 변환 커널의 저복잡도 연산을 수행하는 방법 및 장치
CN119011831A (zh) * 2018-03-29 2024-11-22 弗劳恩霍夫应用研究促进协会 用于视频编码的候选变换集合的确定
US11909974B2 (en) 2018-03-30 2024-02-20 Interdigital Vc Holdings, Inc. Chroma quantization parameter adjustment in video encoding and decoding
CN110324668B (zh) 2018-03-31 2021-01-05 华为技术有限公司 图像块编码中的变换方法、解码中的反变换方法及装置
WO2019194503A1 (ko) * 2018-04-01 2019-10-10 엘지전자 주식회사 분할된 블록에 2차 변환을 적용하여 비디오 신호를 처리하는 방법 및 장치
US10999604B2 (en) 2018-04-13 2021-05-04 Mediatek Inc. Adaptive implicit transform setting
US11297348B2 (en) * 2018-04-13 2022-04-05 Mediatek Inc. Implicit transform settings for coding a block of pixels
WO2019203068A1 (ja) * 2018-04-17 2019-10-24 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
US10986340B2 (en) 2018-06-01 2021-04-20 Qualcomm Incorporated Coding adaptive multiple transform information for video coding
ES3030533T3 (en) 2018-06-03 2025-06-30 Lg Electronics Inc Method and device for processing video signal by using reduced transform
US10645396B2 (en) * 2018-06-04 2020-05-05 Tencent America LLC Method and apparatus for implicit transform splitting
CN118945336A (zh) 2018-06-08 2024-11-12 株式会社Kt 对图像进行解码和编码的方法以及发送通过编码方法生成的比特流的方法
AU2018204786B2 (en) * 2018-06-29 2025-05-29 Canon Kabushiki Kaisha Method, apparatus and system for encoding and decoding a transformed block of video samples
US10687081B2 (en) * 2018-06-29 2020-06-16 Tencent America LLC Method, apparatus and medium for decoding or encoding
US10666981B2 (en) 2018-06-29 2020-05-26 Tencent America LLC Method, apparatus and medium for decoding or encoding
WO2020000487A1 (zh) * 2018-06-30 2020-01-02 华为技术有限公司 变换方法、反变换方法及装置
WO2020009434A1 (ko) * 2018-07-02 2020-01-09 엘지전자 주식회사 이차 변환을 기반으로 비디오 신호를 처리하는 방법 및 장치
JP2021166320A (ja) * 2018-07-06 2021-10-14 ソニーグループ株式会社 画像処理装置および方法
ES2864670T3 (es) * 2018-07-13 2021-10-14 Ericsson Telefon Ab L M Selección de transformación en un codificador de video y/o decodificador de video
US11259052B2 (en) * 2018-07-16 2022-02-22 Qualcomm Incorporated Transform variations of multiple separable transform selection
US11166044B2 (en) * 2018-07-31 2021-11-02 Tencent America LLC Method and apparatus for improved compound orthonormal transform
CN110839159A (zh) * 2018-08-16 2020-02-25 北京字节跳动网络技术有限公司 用于变换矩阵选择的隐式编码
EP4152748A1 (en) * 2018-09-02 2023-03-22 LG Electronics, Inc. Method and apparatus for processing image signal
KR102802498B1 (ko) * 2018-09-02 2025-04-29 엘지전자 주식회사 영상 신호를 처리하기 위한 방법 및 장치
US11039139B2 (en) * 2018-09-14 2021-06-15 Tencent America LLC Method and apparatus for identity transform in multiple transform selection
WO2020057504A1 (en) * 2018-09-17 2020-03-26 Mediatek Inc. Methods and apparatuses of combining multiple predictors for block prediction in video coding systems
CN112889280B (zh) * 2018-09-20 2023-09-26 诺基亚技术有限公司 用于数字图像/视频材料的编码和解码的方法和装置
CN110944177B (zh) * 2018-09-21 2024-03-01 华为技术有限公司 视频解码方法及视频解码器,视频编码方法及视频编码器
WO2020057537A1 (zh) * 2018-09-21 2020-03-26 华为技术有限公司 视频解码方法及视频解码器,视频编码方法及视频编码器
CN117097897A (zh) * 2018-09-23 2023-11-21 Lg 电子株式会社 编码/解码视频信号的方法及其装置
US11218694B2 (en) * 2018-09-24 2022-01-04 Qualcomm Incorporated Adaptive multiple transform coding
AU2019355737B2 (en) * 2018-10-06 2023-07-06 Huawei Technologies Co., Ltd. Method and apparatus for intra prediction using an interpolation filter
TWI738077B (zh) * 2018-10-08 2021-09-01 新加坡商聯發科技(新加坡)私人有限公司 圖像以及視訊編解碼中最後有效係數的編解碼方法以及裝置
US10893286B2 (en) * 2018-10-09 2021-01-12 Tencent America LLC Methods and apparatus for low-complexity MTS
US11758164B2 (en) * 2018-10-23 2023-09-12 Tencent America LLC Method and apparatus for video coding
US11831872B2 (en) * 2018-11-01 2023-11-28 Interdigital Madison Patent Holdings, Sas Video encoding and decoding using multiple transform selection
CN111225206B (zh) * 2018-11-23 2021-10-26 华为技术有限公司 视频解码方法和视频解码器
KR20210096116A (ko) * 2018-12-03 2021-08-04 인터디지털 브이씨 홀딩스 인코포레이티드 픽처 인코딩 및 디코딩을 위한 방법 및 디바이스
US11323748B2 (en) 2018-12-19 2022-05-03 Qualcomm Incorporated Tree-based transform unit (TU) partition for video coding
US12231689B2 (en) * 2018-12-21 2025-02-18 Samsung Electronics Co., Ltd. Video encoding method and device, and video decoding method and device
MX2021007633A (es) * 2018-12-28 2021-08-11 Ericsson Telefon Ab L M Metodo y aparato para seleccionar seleccion de transformacion en un codificador y decodificador.
US10904563B2 (en) * 2019-01-02 2021-01-26 Tencent America LLC Method and apparatus for improved zero out transform
SG11202107547YA (en) * 2019-01-11 2021-08-30 Huawei Tech Co Ltd Encoder, decoder and corresponding methods using dct2 enabled high level flag
US11595663B2 (en) 2019-02-01 2023-02-28 Qualcomm Incorporated Secondary transform designs for partitioned transform units in video coding
CN115052164A (zh) * 2019-03-03 2022-09-13 华为技术有限公司 编码器、解码器和用于变换处理的对应方法
US10986334B2 (en) * 2019-03-09 2021-04-20 Tencent America LLC Method and apparatus for video coding
CN113747156A (zh) * 2019-03-09 2021-12-03 杭州海康威视数字技术股份有限公司 进行编码和解码的方法、解码端、编码端和系统
CN110392256B (zh) 2019-03-09 2020-12-11 杭州海康威视数字技术股份有限公司 进行编码和解码的方法、编码端、解码端和系统
US11539952B2 (en) 2019-03-12 2022-12-27 Qualcomm Incorporated Implicit transform selection in video coding
EP3709647A1 (en) * 2019-03-12 2020-09-16 InterDigital VC Holdings, Inc. Transform selection and signaling for video encoding or decoding
US11025937B2 (en) * 2019-03-16 2021-06-01 Tencent America LLC Method and apparatus for video coding
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
KR20250136950A (ko) * 2019-04-23 2025-09-16 삼성전자주식회사 다중 변환 커널을 사용하는 비디오 신호 처리 방법 및 장치
CN113711597B (zh) * 2019-04-23 2022-11-25 北京字节跳动网络技术有限公司 上下文建模和多重变换矩阵的选择
SG11202111967VA (en) 2019-05-10 2021-11-29 Beijing Bytedance Network Technology Co Ltd Multiple secondary transform matrices for video processing
US11032572B2 (en) 2019-05-17 2021-06-08 Qualcomm Incorporated Low-frequency non-separable transform signaling based on zero-out patterns for video coding
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
CN113950829B (zh) * 2019-06-06 2025-01-10 北京字节跳动网络技术有限公司 简化的变换编解码工具
WO2020244661A1 (en) * 2019-06-06 2020-12-10 Beijing Bytedance Network Technology Co., Ltd. Implicit selection of transform candidates
WO2020244663A1 (en) * 2019-06-06 2020-12-10 Beijing Bytedance Network Technology Co., Ltd. Applicability of implicit transform selection
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
US11695960B2 (en) 2019-06-14 2023-07-04 Qualcomm Incorporated Transform and last significant coefficient position signaling for low-frequency non-separable transform in video coding
US11949870B2 (en) 2019-06-21 2024-04-02 Qualcomm Incorporated Context modeling for low-frequency non-separable transformation signaling for video coding
CN110365982B (zh) * 2019-07-31 2022-01-04 中南大学 一种多用途编码中帧内编码的多变换选择加速方法
KR102699362B1 (ko) 2019-08-03 2024-08-28 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 비디오 코딩에서 축소된 2차 변환을 위한 행렬들의 선택
CN118632034A (zh) 2019-08-17 2024-09-10 北京字节跳动网络技术有限公司 为视频中的缩减二次变换的边信息的上下文建模
US11677984B2 (en) 2019-08-20 2023-06-13 Qualcomm Incorporated Low-frequency non-separable transform (LFNST) signaling
US11323743B2 (en) * 2019-08-26 2022-05-03 Tencent America LLC Interaction between CU partitions and sub-block transform
US11184617B2 (en) 2019-09-19 2021-11-23 Qualcomm Incorporated Transform unit design for video coding
US11153576B2 (en) 2019-09-20 2021-10-19 Qualcomm Incorporated Scaling matrices and signaling for video coding
US11206400B2 (en) 2019-09-26 2021-12-21 Qualcomm Incorporated Low-frequency non-separable transform (LFNST) simplifications
US11432014B2 (en) 2019-10-25 2022-08-30 Qualcomm Incorporated Parametric graph-based separable transforms for video coding
JP7614195B2 (ja) * 2019-10-29 2025-01-15 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およびその装置
US12034928B2 (en) * 2019-11-26 2024-07-09 Fraunhofer-Gesellschaft zur Förderung derangewandten Forschung e.V. Coding concepts for a transformed representation of a sample block
US11284071B2 (en) 2019-12-12 2022-03-22 Google Llc Combination of mode-dependent and fixed transform types in video coding
US20210195192A1 (en) 2019-12-20 2021-06-24 Qualcomm Incorporated Coefficient group based restriction on multiple transform selection signaling in video 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
US11706425B2 (en) 2020-01-08 2023-07-18 Qualcomm Incorporated Multiple transform set signaling for video coding
US11412258B2 (en) 2020-02-12 2022-08-09 Tencent America LLC Line graph transforms (LGTs) using 8-bit and 10-bit cores
US11405647B2 (en) 2020-02-18 2022-08-02 Tencent America LLC Primary transforms using 8-bit and 10-bit cores
WO2021201649A1 (ko) * 2020-04-02 2021-10-07 엘지전자 주식회사 변환에 기반한 영상 코딩 방법 및 그 장치
EP4128755A4 (en) 2020-04-29 2023-09-06 Huawei Technologies Co., Ltd. Method and apparatus of subsample interpolation filtering
JP7505552B2 (ja) * 2020-05-26 2024-06-25 富士通株式会社 画像処理システム、画像処理装置及び画像処理プログラム
US11785254B2 (en) 2020-05-29 2023-10-10 Tencent America LLC Implicit mode dependent primary transforms
US11575937B2 (en) * 2020-07-24 2023-02-07 Tencent America LLC Methods for efficient application of LGT
US11871010B2 (en) 2020-10-02 2024-01-09 Qualcomm Incorporated Extended low-frequency non-separable transform (LFNST) designs with worst-case complexity handling
CN112533000B (zh) 2020-10-16 2022-08-05 腾讯科技(深圳)有限公司 视频解码方法、装置、计算机可读介质及电子设备
US11924471B2 (en) 2020-11-12 2024-03-05 Qualcomm Incorporated Context-based transform index signaling in video coding
CN115633172A (zh) * 2020-12-06 2023-01-20 浙江大华技术股份有限公司 基于ibc模式编码方法、电子设备及存储介质
IL304919A (en) * 2021-04-12 2023-10-01 Qualcomm Inc Intra-mode dependent multiple transform selection for video coding
US12132901B2 (en) * 2021-10-13 2024-10-29 Tencent America LLC Adaptive multiple transform set selection
US12452423B2 (en) * 2021-12-03 2025-10-21 Intel Corporation Low frequency non-separable transform and multiple transform selection deadlock prevention
CN120226360A (zh) * 2022-09-29 2025-06-27 现代自动车株式会社 基于不可分离一次变换的视频编码方法和装置
CN116362989B (zh) * 2022-12-07 2026-01-02 电子科技大学 一种基于非下采样剪切波变换的sar图像滤波方法
WO2025218691A1 (en) * 2024-04-16 2025-10-23 Mediatek Inc. Methods and apparatus for adaptively determining selected transform type in image and video coding systems

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2730953T3 (es) 2002-04-26 2019-11-13 Ntt Docomo Inc Método de decodificación de señal, dispositivo de decodificación de señal, y programa de decodificación de señal
GB2475721B (en) * 2009-11-27 2015-03-11 British Broadcasting Corp Picture encoding and decoding
CA2921057C (en) * 2010-07-15 2017-10-17 Kabushiki Kaisha Toshiba Image encoding method and image decoding method
US8885701B2 (en) * 2010-09-08 2014-11-11 Samsung Electronics Co., Ltd. Low complexity transform coding using adaptive DCT/DST for intra-prediction
US10992958B2 (en) * 2010-12-29 2021-04-27 Qualcomm Incorporated Video coding using mapped transforms and scanning modes
US20120307893A1 (en) 2011-06-02 2012-12-06 Qualcomm Incorporated Fast computing of discrete cosine and sine transforms of types vi and vii
KR101859079B1 (ko) * 2011-10-17 2018-05-23 주식회사 케이티 화면 내 예측 모드에 기초한 적응적인 변환 방법 및 이러한 방법을 사용하는 장치
WO2013154366A1 (ko) * 2012-04-12 2013-10-17 주식회사 팬택 블록 정보에 따른 변환 방법 및 이러한 방법을 사용하는 장치
US9621921B2 (en) 2012-04-16 2017-04-11 Qualcomm Incorporated Coefficient groups and coefficient coding for coefficient scans
RU2682838C1 (ru) * 2015-12-23 2019-03-21 Хуавей Текнолоджиз Ко., Лтд. Способ и устройство для кодирования с преобразованием с выбором преобразования блокового уровня и неявной сигнализацией в рамках иерархического разбиения
US10567759B2 (en) * 2016-03-21 2020-02-18 Qualcomm Incorporated Using luma information for chroma prediction with separate luma-chroma framework in video coding
US10972733B2 (en) 2016-07-15 2021-04-06 Qualcomm Incorporated Look-up table for enhanced multiple transform

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