JP5746339B2 - サイズとイントラモードとに基づいて又はエッジ検出に基づいてイントラブロック符号化の周波数変換を適応させること - Google Patents

サイズとイントラモードとに基づいて又はエッジ検出に基づいてイントラブロック符号化の周波数変換を適応させること Download PDF

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JP5746339B2
JP5746339B2 JP2013519731A JP2013519731A JP5746339B2 JP 5746339 B2 JP5746339 B2 JP 5746339B2 JP 2013519731 A JP2013519731 A JP 2013519731A JP 2013519731 A JP2013519731 A JP 2013519731A JP 5746339 B2 JP5746339 B2 JP 5746339B2
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intra prediction
transform
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カークゼウィックズ、マルタ
コバン、ムハンメド・ジェイド
チェン、ペイソン
チュアン、シャオ−チャン
ジョシ、ラジャン・ラックスマン
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Qualcomm Inc
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JP2013519731A 2010-07-09 2011-07-08 サイズとイントラモードとに基づいて又はエッジ検出に基づいてイントラブロック符号化の周波数変換を適応させること Active JP5746339B2 (ja)

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US36312710P 2010-07-09 2010-07-09
US61/363,127 2010-07-09
US37457310P 2010-08-17 2010-08-17
US61/374,573 2010-08-17
US37742010P 2010-08-26 2010-08-26
US61/377,420 2010-08-26
US13/178,434 US9215470B2 (en) 2010-07-09 2011-07-07 Signaling selected directional transform for video coding
US13/178,438 US9661338B2 (en) 2010-07-09 2011-07-07 Coding syntax elements for adaptive scans of transform coefficients for video coding
US13/178,427 US9172968B2 (en) 2010-07-09 2011-07-07 Video coding using directional transforms
US13/178,427 2011-07-07
US13/178,434 2011-07-07
US13/178,438 2011-07-07
PCT/US2011/043434 WO2012006574A2 (en) 2010-07-09 2011-07-08 Signaling selected directional transform for video coding

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JP2013519730A Pending JP2013534794A (ja) 2010-07-09 2011-07-08 サイズとイントラモードとに基づいて又はエッジ検出に基づいてイントラブロック符号化の周波数変換を適応させること
JP2014187863A Pending JP2015039185A (ja) 2010-07-09 2014-09-16 サイズとイントラモードとに基づいて又はエッジ検出に基づいてイントラブロック符号化の周波数変換を適応させること
JP2014191393A Expired - Fee Related JP5944459B2 (ja) 2010-07-09 2014-09-19 サイズとイントラモードとに基づいて又はエッジ検出に基づいてイントラブロック符号化の周波数変換を適応させること

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JP2014187863A Pending JP2015039185A (ja) 2010-07-09 2014-09-16 サイズとイントラモードとに基づいて又はエッジ検出に基づいてイントラブロック符号化の周波数変換を適応させること
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Families Citing this family (220)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7289674B2 (en) * 2002-06-11 2007-10-30 Nokia Corporation Spatial prediction based intra coding
EP2081386A1 (en) * 2008-01-18 2009-07-22 Panasonic Corporation High precision edge prediction for intracoding
CN107277512B (zh) * 2009-07-06 2020-11-03 交互数字Vc控股公司 用于空间变化残差编码、解码的方法和设备
KR20110068792A (ko) 2009-12-16 2011-06-22 한국전자통신연구원 적응적 영상 부호화 장치 및 방법
KR20120086232A (ko) * 2011-01-25 2012-08-02 (주)휴맥스 율-왜곡 최적화를 위한 영상 부호화/복호화 방법 및 이를 수행하는 장치
MY198978A (en) * 2010-04-13 2023-10-05 Samsung Electronics Co Ltd Video encoding method and video encoding apparatus and video decoding method and video decoding apparatus, which perform deblocking filtering based on tree-structure encoding units
SG10201503178RA (en) * 2010-04-23 2015-06-29 M&K Holdings Inc Apparatus For Encoding A Moving Picture
US10091529B2 (en) * 2010-07-09 2018-10-02 Samsung Electronics Co., Ltd. Method and apparatus for entropy encoding/decoding a transform coefficient
US9215470B2 (en) 2010-07-09 2015-12-15 Qualcomm Incorporated Signaling selected directional transform for video coding
JP2012039590A (ja) * 2010-07-16 2012-02-23 Sony Corp 画像処理装置、画像処理方法、及びプログラム
DE102010041226A1 (de) 2010-09-22 2012-03-22 Aces Gmbh Knochenverankerungseinrichtung
WO2012038938A1 (en) * 2010-09-24 2012-03-29 Nokia Corporation Methods, apparatuses and computer programs for video coding
PT3849194T (pt) * 2010-09-27 2022-09-13 Lg Electronics Inc Método para particionar bloco e dispositivo de descodificação
CN107682702B (zh) * 2010-09-30 2020-08-11 太阳专利托管公司 图像解码方法、图像解码装置
US9497472B2 (en) * 2010-11-16 2016-11-15 Qualcomm Incorporated Parallel context calculation in video coding
US9042440B2 (en) 2010-12-03 2015-05-26 Qualcomm Incorporated Coding the position of a last significant coefficient within a video block based on a scanning order for the block in video coding
US8976861B2 (en) 2010-12-03 2015-03-10 Qualcomm Incorporated Separately coding the position of a last significant coefficient of a video block in video coding
US20120163456A1 (en) 2010-12-22 2012-06-28 Qualcomm Incorporated Using a most probable scanning order to efficiently code scanning order information for a video block in video coding
US9049444B2 (en) 2010-12-22 2015-06-02 Qualcomm Incorporated Mode dependent scanning of coefficients of a block of video data
US10992958B2 (en) 2010-12-29 2021-04-27 Qualcomm Incorporated Video coding using mapped transforms and scanning modes
CN104811703B (zh) * 2011-01-06 2018-04-20 三星电子株式会社 视频的编码方法和装置及视频的解码方法和装置
BR112013017490A2 (pt) * 2011-01-07 2017-10-24 Samsung Electronics Co Ltd método de previsão de vídeo, aparelho de previsão de vídeo, e mídia de gravação legível por computador
US9380319B2 (en) * 2011-02-04 2016-06-28 Google Technology Holdings LLC Implicit transform unit representation
US9106913B2 (en) 2011-03-08 2015-08-11 Qualcomm Incorporated Coding of transform coefficients for video coding
US10499059B2 (en) 2011-03-08 2019-12-03 Velos Media, Llc Coding of transform coefficients for video coding
KR20120140181A (ko) * 2011-06-20 2012-12-28 한국전자통신연구원 화면내 예측 블록 경계 필터링을 이용한 부호화/복호화 방법 및 그 장치
US9491469B2 (en) 2011-06-28 2016-11-08 Qualcomm Incorporated Coding of last significant transform coefficient
CN104869420B (zh) 2011-06-28 2018-04-24 三星电子株式会社 对视频数据进行解码的方法
KR101955374B1 (ko) * 2011-06-30 2019-05-31 에스케이 텔레콤주식회사 고속 코딩 단위(Coding Unit) 모드 결정을 통한 부호화/복호화 방법 및 장치
US20140169465A1 (en) * 2011-07-22 2014-06-19 Hitachi, Ltd. Video decoding method and image encoding method
US9800870B2 (en) * 2011-09-16 2017-10-24 Qualcomm Incorporated Line buffer reduction for short distance intra-prediction
US9756332B2 (en) * 2011-09-21 2017-09-05 Lg Electronics Inc. Method and an apparatus for encoding/decoding an image
US9398300B2 (en) * 2011-10-07 2016-07-19 Texas Instruments Incorporated Method, system and apparatus for intra-prediction in video signal processing using combinable blocks
US9699457B2 (en) 2011-10-11 2017-07-04 Qualcomm Incorporated Most probable transform for intra prediction coding
EP2582134A1 (en) * 2011-10-12 2013-04-17 Thomson Licensing Saliency value determination of predictively encoded video streams
KR101951696B1 (ko) * 2011-10-17 2019-02-25 주식회사 케이티 화면 내 예측 모드에 기초한 적응적인 변환 방법 및 이러한 방법을 사용하는 장치
CN107105244B (zh) * 2011-10-18 2020-11-10 株式会社Kt 一种在解码设备中对视频信号进行解码的方法
CN107257456B (zh) 2011-10-19 2020-03-06 株式会社Kt 解码视频信号的方法
US10645398B2 (en) 2011-10-25 2020-05-05 Texas Instruments Incorporated Sample-based angular intra-prediction in video coding
KR20130049525A (ko) 2011-11-04 2013-05-14 오수미 잔차 블록 복원을 위한 역변환 방법
WO2013067436A1 (en) * 2011-11-04 2013-05-10 Huawei Technologies Co., Ltd. Binarization of prediction residuals for lossless video coding
US10390046B2 (en) 2011-11-07 2019-08-20 Qualcomm Incorporated Coding significant coefficient information in transform skip mode
RU2585976C2 (ru) 2011-11-08 2016-06-10 Кт Корпорейшен Способ и устройство для определения способа сканирования на основании режима деления блока предсказания
CN109905705B (zh) * 2012-01-13 2023-05-02 夏普株式会社 图像解码装置
JP2013168932A (ja) * 2012-01-18 2013-08-29 Jvc Kenwood Corp 画像復号装置、画像復号方法及び画像復号プログラム
US9584812B2 (en) * 2012-01-20 2017-02-28 Blackberry Limited Methods and devices for context set selection
US9210438B2 (en) * 2012-01-20 2015-12-08 Sony Corporation Logical intra mode naming in HEVC video coding
US9531990B1 (en) 2012-01-21 2016-12-27 Google Inc. Compound prediction using multiple sources or prediction modes
US9866829B2 (en) 2012-01-22 2018-01-09 Qualcomm Incorporated Coding of syntax elements that correspond to coefficients of a coefficient block in video coding
US8737824B1 (en) 2012-03-09 2014-05-27 Google Inc. Adaptively encoding a media stream with compound prediction
HUE051172T2 (hu) 2012-04-13 2021-03-01 Ge Video Compression Llc Kis késleltetésû képkódolás
WO2013157829A1 (ko) 2012-04-16 2013-10-24 한국전자통신연구원 부호화 방법 및 복호화 방법 그리고 이를 이용하는 장치
US9124872B2 (en) * 2012-04-16 2015-09-01 Qualcomm Incorporated Coefficient groups and coefficient coding for coefficient scans
GB2501535A (en) 2012-04-26 2013-10-30 Sony Corp Chrominance Processing in High Efficiency Video Codecs
CN108712652A (zh) 2012-06-29 2018-10-26 韩国电子通信研究院 视频编码方法和计算机可读介质
CN115442625B (zh) 2012-06-29 2026-01-02 杜比视频压缩有限责任公司 视频数据流、编码器、编码视频内容的方法以及解码器
US9185414B1 (en) 2012-06-29 2015-11-10 Google Inc. Video encoding using variance
PH12018500782B1 (en) * 2012-07-02 2024-04-05 Samsung Electronics Co Ltd Method and apparatus for entropy coding video and method and apparatus for entropy decoding video
JP2015526004A (ja) * 2012-07-04 2015-09-07 トムソン ライセンシングThomson Licensing 空間予測方法及び空間予測装置
US9264713B2 (en) * 2012-07-11 2016-02-16 Qualcomm Incorporated Rotation of prediction residual blocks in video coding with transform skipping
EP2698996A3 (en) * 2012-08-13 2014-07-02 Gurulogic Microsystems OY Decoder and method
US10412414B2 (en) 2012-08-13 2019-09-10 Gurulogic Microsystems Oy Decoder and method for decoding encoded input data containing a plurality of blocks or packets
US20140056347A1 (en) * 2012-08-23 2014-02-27 Microsoft Corporation Non-Transform Coding
CN103716607B (zh) * 2012-09-28 2017-02-08 中兴通讯股份有限公司 一种应用于HEVC‑based 3DVC的编码方法和装置
WO2014052775A1 (en) * 2012-09-29 2014-04-03 Motorola Mobility Llc Adaptive transform options for scalable extension
GB2508339A (en) * 2012-11-22 2014-06-04 Sony Corp Manipulation of transform coefficient blocks in high-efficiency video coding (HEVC)
US9628790B1 (en) * 2013-01-03 2017-04-18 Google Inc. Adaptive composite intra prediction for image and video compression
US9503723B2 (en) 2013-01-11 2016-11-22 Futurewei Technologies, Inc. Method and apparatus of depth prediction mode selection
US9219915B1 (en) * 2013-01-17 2015-12-22 Google Inc. Selection of transform size in video coding
US9967559B1 (en) 2013-02-11 2018-05-08 Google Llc Motion vector dependent spatial transformation in video coding
US9544597B1 (en) 2013-02-11 2017-01-10 Google Inc. Hybrid transform in video encoding and decoding
US20140254661A1 (en) * 2013-03-08 2014-09-11 Samsung Electronics Co., Ltd. Method and apparatus for applying secondary transforms on enhancement-layer residuals
CN104065973B (zh) * 2013-03-20 2017-11-17 华为技术有限公司 一种高性能视频编码搜索的方法及装置
US9538190B2 (en) * 2013-04-08 2017-01-03 Qualcomm Incorporated Intra rate control for video encoding based on sum of absolute transformed difference
BR112015026899B1 (pt) * 2013-04-23 2023-03-28 Qualcomm Incorporated Reposicionamento dos blocos residuais de previsão na codificação de vídeo
US9674530B1 (en) 2013-04-30 2017-06-06 Google Inc. Hybrid transforms in video coding
US9374578B1 (en) 2013-05-23 2016-06-21 Google Inc. Video coding using combined inter and intra predictors
DE102013107719B4 (de) * 2013-07-19 2015-08-13 Deutsche Telekom Ag Verfahren und Vorrichtung zur blockbasierten Dekorrelation von Bildsignalen
CN105453567B (zh) 2013-07-24 2019-04-23 微软技术许可有限责任公司 用于非变换编码的扫描次序
US20150055697A1 (en) * 2013-08-20 2015-02-26 Media Tek Inc. Method and Apparatus of Transform Process for Video Coding
US9628800B2 (en) 2013-11-18 2017-04-18 Qualcomm Incorporated Adaptive control for transforms in video coding
US9609343B1 (en) 2013-12-20 2017-03-28 Google Inc. Video coding using compound prediction
JP2015185897A (ja) 2014-03-20 2015-10-22 パナソニックIpマネジメント株式会社 画像符号化方法及び画像符号化装置
JP6308449B2 (ja) * 2014-06-26 2018-04-11 ホアウェイ・テクノロジーズ・カンパニー・リミテッド 高効率ビデオ符号化における演算負荷を低減するための方法および装置
TWI594211B (zh) * 2014-10-31 2017-08-01 鴻海精密工業股份有限公司 監控設備及動態物件監控方法
US9565451B1 (en) 2014-10-31 2017-02-07 Google Inc. Prediction dependent transform coding
US10306229B2 (en) 2015-01-26 2019-05-28 Qualcomm Incorporated Enhanced multiple transforms for prediction residual
FR3032583B1 (fr) * 2015-02-06 2018-03-02 Orange Procede de codage d'une image numerique, procede de decodage, dispositifs, et programmes d'ordinateurs associes
FR3033115A1 (fr) * 2015-02-19 2016-08-26 Orange Procede de codage et decodage d'images, dispositif de codage et decodage et programmes d'ordinateur correspondants
US20180255304A1 (en) * 2015-03-29 2018-09-06 Lg Electronics Inc. Method and device for encoding/decoding video signal
FR3035761A1 (fr) * 2015-04-30 2016-11-04 Orange Procede de codage et de decodage d'images, dispositif de codage et de decodage d'images et programmes d'ordinateur correspondants
CN104954806A (zh) * 2015-06-24 2015-09-30 上海交通大学 帧内视频优化编码方法
US10499061B2 (en) 2015-07-15 2019-12-03 Lg Electronics Inc. Method and device for processing video signal by using separable graph-based transform
WO2017014585A1 (ko) * 2015-07-21 2017-01-26 엘지전자(주) 그래프 기반 변환을 이용하여 비디오 신호를 처리하는 방법 및 장치
US9769499B2 (en) 2015-08-11 2017-09-19 Google Inc. Super-transform video coding
KR102605285B1 (ko) 2015-08-19 2023-11-24 엘지전자 주식회사 다중 그래프 기반 모델에 따라 최적화된 변환을 이용하여 비디오 신호를 인코딩/디코딩하는 방법 및 장치
WO2017043941A1 (ko) * 2015-09-10 2017-03-16 엘지전자(주) 예측 각도에 따른 그래프 기반 변환을 이용하여 비디오 신호를 처리하는 방법 및 장치
US10277905B2 (en) 2015-09-14 2019-04-30 Google Llc Transform selection for non-baseband signal coding
US10681379B2 (en) 2015-09-29 2020-06-09 Qualcomm Incorporated Non-separable secondary transform for video coding with reorganizing
WO2017061671A1 (ko) * 2015-10-08 2017-04-13 엘지전자 주식회사 영상 코딩 시스템에서 적응적 변환에 기반한 영상 코딩 방법 및 장치
ITUB20155295A1 (it) * 2015-10-16 2017-04-16 Torino Politecnico Apparatuses and methods for encoding and decoding images
US11153601B2 (en) 2015-11-11 2021-10-19 Samsung Electronics Co., Ltd. Method and apparatus for decoding video, and method and apparatus for encoding video
US9807423B1 (en) 2015-11-24 2017-10-31 Google Inc. Hybrid transform scheme for video coding
JP2018535607A (ja) * 2015-11-24 2018-11-29 サムスン エレクトロニクス カンパニー リミテッド 映像を符号化/復号する方法、及びその装置
KR20180086203A (ko) * 2015-12-17 2018-07-30 삼성전자주식회사 영상을 부호화/복호화 하는 방법 및 그 장치
US10448053B2 (en) 2016-02-15 2019-10-15 Qualcomm Incorporated Multi-pass non-separable transforms for video coding
US10349085B2 (en) 2016-02-15 2019-07-09 Qualcomm Incorporated Efficient parameter storage for compact multi-pass transforms
US10390048B2 (en) * 2016-02-15 2019-08-20 Qualcomm Incorporated Efficient transform coding using optimized compact multi-pass transforms
US10623774B2 (en) * 2016-03-22 2020-04-14 Qualcomm Incorporated Constrained block-level optimization and signaling for video coding tools
US10708164B2 (en) * 2016-05-03 2020-07-07 Qualcomm Incorporated Binarizing secondary transform index
CN114339229B (zh) * 2016-05-04 2024-04-12 夏普株式会社 用于对变换数据进行编码的系统和方法
CN109076223B (zh) * 2016-05-13 2021-07-09 夏普株式会社 图像解码装置以及图像编码装置
US20170347094A1 (en) * 2016-05-31 2017-11-30 Google Inc. Block size adaptive directional intra prediction
CN117221588A (zh) * 2016-06-22 2023-12-12 Lx 半导体科技有限公司 图像编码/解码方法以及图像数据的传输方法
WO2018011345A1 (en) 2016-07-14 2018-01-18 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Predictive picture coding using transform-based residual coding
CN106231307B (zh) * 2016-08-09 2019-05-03 赵羽剑 一种图像压缩帧内编码预测方法及其硬件实现
US10880564B2 (en) * 2016-10-01 2020-12-29 Qualcomm Incorporated Transform selection for video coding
KR102224668B1 (ko) * 2016-10-04 2021-03-08 김기백 영상 데이터 부호화/복호화 방법 및 장치
CN117176947A (zh) * 2016-10-04 2023-12-05 有限公司B1影像技术研究所 图像编码/解码方法、记录介质和传输比特流的方法
EP3975559B1 (en) * 2016-10-04 2024-08-14 B1 Institute of Image Technology, Inc. Image data encoding/decoding method and apparatus
WO2018066863A1 (ko) * 2016-10-04 2018-04-12 한국전자통신연구원 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
US11095893B2 (en) 2016-10-12 2021-08-17 Qualcomm Incorporated Primary transform and secondary transform in video coding
CN116886909A (zh) * 2016-10-14 2023-10-13 世宗大学校产学协力团 影像编码方法、影像解码方法以及传送比特流的方法
KR102397475B1 (ko) * 2016-11-28 2022-05-13 한국전자통신연구원 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
KR102331940B1 (ko) * 2016-12-23 2021-11-26 후아웨이 테크놀러지 컴퍼니 리미티드 지향성 인트라 예측 모드의 세트 내에서 확장 지향성 인트라 예측 모드를 시그널링하는 인코딩 장치
GB2574733B (en) 2016-12-28 2020-05-06 Arris Entpr Llc Improved video bitstream coding
KR102287305B1 (ko) * 2017-01-03 2021-08-06 엘지전자 주식회사 이차 변환을 이용한 비디오 신호의 인코딩/디코딩 방법 및 장치
US11146795B2 (en) * 2017-03-10 2021-10-12 Qualcomm Incorporated Intra filtering flag in video coding
CN110546952A (zh) * 2017-03-21 2019-12-06 Lg电子株式会社 图像编码系统中的变换方法和用于该变换方法的设备
KR20220127948A (ko) * 2017-03-22 2022-09-20 한양대학교 산학협력단 적응적인 화소 분류 기준에 따른 인루프 필터링 방법
WO2018194189A1 (ko) * 2017-04-18 2018-10-25 삼성전자 주식회사 영상을 부호화/복호화 하는 방법 및 그 장치
EP3410722A1 (en) 2017-05-31 2018-12-05 Thomson Licensing Method and apparatus for low-complexity bi-directional intra prediction in video encoding and decoding
US10999591B2 (en) 2017-06-02 2021-05-04 Lg Electronics Inc. Method and apparatus for processing video signal through target area modification
US20180357870A1 (en) * 2017-06-07 2018-12-13 Amazon Technologies, Inc. Behavior-aware security systems and associated methods
WO2018231087A1 (en) * 2017-06-14 2018-12-20 Huawei Technologies Co., Ltd. Intra-prediction for video coding using perspective information
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
WO2019003676A1 (ja) * 2017-06-29 2019-01-03 ソニー株式会社 画像処理装置と画像処理方法およびプログラム
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
EP3609184B1 (en) * 2017-07-04 2024-06-12 Samsung Electronics Co., Ltd. Image encoding method and apparatus, and image decoding method and apparatus
EP3451663A1 (en) 2017-08-31 2019-03-06 Thomson Licensing Pools of transforms for local selection of a set of transforms in video coding
WO2019069782A1 (ja) * 2017-10-06 2019-04-11 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
WO2019076138A1 (en) 2017-10-16 2019-04-25 Huawei Technologies Co., Ltd. Encoding method and apparatus
US10484695B2 (en) 2017-10-23 2019-11-19 Google Llc Refined entropy coding for level maps
EP3711297B1 (en) * 2017-11-21 2024-02-14 Huawei Technologies Co., Ltd. Image and video processing apparatuses and methods
JP7375543B2 (ja) * 2017-11-24 2023-11-08 ソニーグループ株式会社 画像処理装置および方法
PH12020550670A1 (en) * 2017-11-24 2021-04-19 Sony Corp Image processing apparatus and method
US11310517B2 (en) 2017-12-07 2022-04-19 Electronics And Telecommunications Research Institute Method and apparatus for encoding and decoding using selective information sharing between channels
CN109922340B (zh) * 2017-12-13 2021-10-15 华为技术有限公司 图像编解码方法、装置、系统及存储介质
CN111684809B (zh) 2017-12-15 2022-08-19 Lg电子株式会社 基于变换的图像编码方法和用于该方法的装置
EP4307676A3 (en) * 2017-12-21 2024-03-13 LG Electronics Inc. Method for coding image on basis of selective transform and device therefor
US10869060B2 (en) * 2018-01-30 2020-12-15 Google Llc Efficient context model computation design in transform coefficient coding
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
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
CN118474359A (zh) 2018-04-01 2024-08-09 有限公司B1影像技术研究所 图像编码/解码方法、介质和传输比特流的方法
KR20240040133A (ko) * 2018-04-01 2024-03-27 엘지전자 주식회사 분할된 블록에 2차 변환을 적용하여 비디오 신호를 처리하는 방법 및 장치
WO2019199031A1 (ko) * 2018-04-11 2019-10-17 엘지전자 주식회사 적응적으로 적용되는 스캔 순서에 따른 영상 디코딩 방법 및 그 장치
US10645381B2 (en) 2018-04-30 2020-05-05 Google Llc Intra-prediction for smooth blocks in image/video
PL3782361T3 (pl) 2018-05-31 2023-12-27 Huawei Technologies Co., Ltd. Przestrzennie zmienna transformacja z transformacją typu adaptacyjnego
CN112400322B (zh) * 2018-07-02 2023-04-14 Lg电子株式会社 基于二次变换处理视频信号的方法和设备
KR102454971B1 (ko) * 2018-07-06 2022-10-14 엘지전자 주식회사 변환에 기반한 영상 코딩 방법 및 그 장치
CN115379211B (zh) * 2018-09-02 2024-06-04 Lg电子株式会社 对视频信号进行解码/编码的方法和计算机可读存储介质
KR102585635B1 (ko) * 2018-09-02 2023-10-05 엘지전자 주식회사 영상 신호를 처리하기 위한 방법 및 장치
KR102631802B1 (ko) * 2018-09-05 2024-01-31 엘지전자 주식회사 비디오 신호의 부호화/복호화 방법 및 이를 위한 장치
KR20250099269A (ko) * 2018-09-13 2025-07-01 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 아핀 선형 가중 인트라 예측
WO2020056760A1 (en) * 2018-09-21 2020-03-26 Alibaba Group Holding Limited Transform selection for small size block
US11128866B2 (en) * 2018-10-18 2021-09-21 Qualcomm Incorporated Scans and last coefficient position coding for zero-out transforms
WO2020084476A1 (en) 2018-10-22 2020-04-30 Beijing Bytedance Network Technology Co., Ltd. Sub-block based prediction
WO2020084554A1 (en) 2018-10-24 2020-04-30 Beijing Bytedance Network Technology Co., Ltd. Searching based motion candidate derivation for sub-block motion vector prediction
US11412260B2 (en) * 2018-10-29 2022-08-09 Google Llc Geometric transforms for image compression
WO2020098648A1 (en) 2018-11-12 2020-05-22 Beijing Bytedance Network Technology Co., Ltd. Using combined inter intra prediction in video processing
US10666985B1 (en) * 2018-11-18 2020-05-26 Sony Corporation Sub-block based entropy coding for image coding
CN113056914B (zh) 2018-11-20 2024-03-01 北京字节跳动网络技术有限公司 基于部分位置的差计算
WO2020103877A1 (en) 2018-11-20 2020-05-28 Beijing Bytedance Network Technology Co., Ltd. Coding and decoding of video coding modes
CN113056916B (zh) 2018-11-22 2024-06-11 北京字节跳动网络技术有限公司 基于子块的运动候选的选择和信令
GB2579824B (en) 2018-12-14 2022-05-18 British Broadcasting Corp Video encoding and video decoding
JP7672190B2 (ja) 2018-12-17 2025-05-07 キヤノン株式会社 画像符号化装置及び画像復号装置及びそれらの制御方法及びプログラム
US11323748B2 (en) 2018-12-19 2022-05-03 Qualcomm Incorporated Tree-based transform unit (TU) partition for video coding
GB2580326A (en) 2018-12-28 2020-07-22 British Broadcasting Corp Video encoding and video decoding
WO2020141892A1 (ko) * 2019-01-01 2020-07-09 엘지전자 주식회사 이차 변환에 기반한 영상 코딩 방법 및 그 장치
US11190794B2 (en) * 2019-02-12 2021-11-30 Tencent America LLC Method and apparatus for video coding
AU2020232109C1 (en) 2019-03-04 2023-10-19 Nokia Technologies Oy Intra block coding-based video or image coding
WO2020177755A1 (en) 2019-03-06 2020-09-10 Beijing Bytedance Network Technology Co., Ltd. Usage of converted uni-prediction candidate
WO2020182213A1 (en) 2019-03-13 2020-09-17 Beijing Bytedance Network Technology Co., Ltd. Sub-block transform in transform skip mode
JP7307192B2 (ja) 2019-04-02 2023-07-11 北京字節跳動網絡技術有限公司 デコーダ側の動きベクトルの導出
US11240534B2 (en) * 2019-04-05 2022-02-01 Qualcomm Incorporated Extended multiple transform selection for video coding
CA3240493A1 (en) 2019-04-16 2020-10-22 Lg Electronics Inc. Transform for matrix-based intra-prediction in image coding
CN118175314A (zh) 2019-04-16 2024-06-11 Lg电子株式会社 解码和编码设备及发送用于图像的数据的设备
WO2020216288A1 (en) 2019-04-23 2020-10-29 Beijing Bytedance Network Technology Co., Ltd. Conditional use of multiple transform matrices in video coding
EP3903485A4 (en) 2019-04-27 2022-03-02 Huawei Technologies Co., Ltd. ENCODER, DECODER AND CORRESPONDING INTRA PREDICTION METHODS
US11122297B2 (en) * 2019-05-03 2021-09-14 Google Llc Using border-aligned block functions for image compression
JP7269373B2 (ja) * 2019-05-10 2023-05-08 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
WO2020228762A1 (en) 2019-05-14 2020-11-19 Beijing Bytedance Network Technology Co., Ltd. Context modeling for residual coding
CN113892265B (zh) * 2019-05-30 2025-10-24 夏普株式会社 图像解码装置
CN113940076B (zh) 2019-06-06 2025-01-03 北京字节跳动网络技术有限公司 应用隐式变换选择
WO2020244662A1 (en) 2019-06-06 2020-12-10 Beijing Bytedance Network Technology Co., Ltd. Simplified transform coding tools
WO2020244661A1 (en) 2019-06-06 2020-12-10 Beijing Bytedance Network Technology Co., Ltd. Implicit selection of transform candidates
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
CN113966611B (zh) 2019-06-09 2023-12-15 北京字节跳动网络技术有限公司 视频编解码中的重要系数信令
EP3984231A4 (en) * 2019-06-13 2023-06-21 Beijing Dajia Internet Information Technology Co., Ltd. SUB-BLOCK TRANSFORM METHOD AND SYSTEM FOR VIDEO CODING
KR20250093435A (ko) 2019-06-17 2025-06-24 엘지전자 주식회사 루마 맵핑 및 크로마 스케일링 기반 비디오 또는 영상 코딩
KR20240173215A (ko) 2019-06-17 2024-12-10 엘지전자 주식회사 루마 맵핑 기반 비디오 또는 영상 코딩
GB2585030A (en) 2019-06-25 2020-12-30 British Broadcasting Corp Method of signalling in a video codec
CN114208190B (zh) 2019-08-03 2023-12-15 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
KR20250151566A (ko) * 2019-08-06 2025-10-21 엘지전자 주식회사 컬러 포멧에 따라 결정된 예측 모드 타입에 기반하여 분할 모드를 결정하는 영상 부호화/복호화 방법, 장치 및 비트스트림을 전송하는 방법
KR102808776B1 (ko) 2019-08-13 2025-05-15 두인 비전 컴퍼니 리미티드 서브 블록 기반 인터 예측의 모션 정밀도
CN114223208B (zh) 2019-08-17 2023-12-29 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
EP4029270A1 (en) 2019-09-13 2022-07-20 InterDigital VC Holdings France, SAS Transform size interactions with coding tools
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
WO2021052506A1 (en) 2019-09-22 2021-03-25 Beijing Bytedance Network Technology Co., Ltd. Transform unit based combined inter intra prediction
CN114982234B (zh) * 2019-11-26 2025-06-20 弗劳恩霍夫应用研究促进协会 用于样本块的变换表示的编码概念
CN120639998A (zh) * 2019-12-05 2025-09-12 交互数字Ce专利控股有限公司 一种用于视频编码和解码的方法及装置
US11284071B2 (en) 2019-12-12 2022-03-22 Google Llc Combination of mode-dependent and fixed transform types in video coding
WO2021130374A1 (en) * 2019-12-27 2021-07-01 Interdigital Vc Holdings France Transform coding for inter-predicted video data
WO2021141403A1 (ko) * 2020-01-07 2021-07-15 엘지전자 주식회사 변환에 기반한 영상 코딩 방법 및 그 장치
GB2591806B (en) 2020-02-07 2023-07-19 British Broadcasting Corp Chroma intra prediction in video coding and decoding
US12075089B2 (en) * 2020-02-13 2024-08-27 Google Llc Intra prediction for image and video compression
EP4222955A1 (en) * 2020-09-29 2023-08-09 InterDigital VC Holdings France, SAS Karhunen loeve transform for video coding
US12126794B2 (en) * 2021-09-30 2024-10-22 Tencent America LLC Adaptive transforms for compound inter-intra prediction modes
US20240357114A1 (en) * 2023-04-14 2024-10-24 Qualcomm Incorporated Context-based coding of transform coefficients for klt-based transforms

Family Cites Families (82)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1062963C (zh) 1990-04-12 2001-03-07 多尔拜实验特许公司 用于产生高质量声音信号的解码器和编码器
US6226327B1 (en) 1992-06-29 2001-05-01 Sony Corporation Video coding method and apparatus which select between frame-based and field-based predictive modes
EP0729688A1 (en) 1993-11-15 1996-09-04 National Semiconductor Corporation Quadtree-structured walsh transform coding
KR100211050B1 (ko) 1996-11-05 1999-07-15 이계철 선택적 양자화 계수 전송 장치 및 방법
JP3395558B2 (ja) 1997-02-07 2003-04-14 株式会社日立製作所 図形表示方法及び図形表示装置並びに図形表示処理プログラムを記録した媒体
HK1039823B (zh) 1998-08-10 2006-08-18 Etiip控股有限公司 数字静止图象编码方法、设备和压缩比特流解码方法
EP0986026A1 (en) 1998-09-07 2000-03-15 STMicroelectronics S.r.l. Fractal coding of data in the DCT domain
JP4226172B2 (ja) 1998-11-24 2009-02-18 株式会社ハイニックスセミコンダクター 適応的変換方法を用いる映像圧縮符号化装置および復号化装置ならびにその方法
US6515889B1 (en) * 2000-08-31 2003-02-04 Micron Technology, Inc. Junction-isolated depletion mode ferroelectric memory
US7616690B2 (en) 2000-10-31 2009-11-10 Imec Method and apparatus for adaptive encoding framed data sequences
US6856701B2 (en) 2001-09-14 2005-02-15 Nokia Corporation Method and system for context-based adaptive binary arithmetic coding
CN101448162B (zh) 2001-12-17 2013-01-02 微软公司 处理视频图像的方法
JP4447197B2 (ja) 2002-01-07 2010-04-07 三菱電機株式会社 動画像符号化装置および動画像復号装置
US7190840B2 (en) 2002-01-07 2007-03-13 Hewlett-Packard Development Company, L.P. Transform coefficient compression using multiple scans
KR100468844B1 (ko) 2002-01-07 2005-01-29 삼성전자주식회사 정지영상 및 동영상을 부호화/복호화하기 위한변환계수들의 최적주사방법
ES2270246T3 (es) 2002-05-02 2007-04-01 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Procedimiento y disposicion para la codificacion de coeficientes de transformacion en codificadores y decodificadores de imagen y/o de video asi como programa informatico correspondiente y medio de almacenamiento correspondiente legible por ordenador.
US20030231795A1 (en) 2002-06-12 2003-12-18 Nokia Corporation Spatial prediction based intra-coding
US7289674B2 (en) 2002-06-11 2007-10-30 Nokia Corporation Spatial prediction based intra coding
US20070036215A1 (en) 2003-03-03 2007-02-15 Feng Pan Fast mode decision algorithm for intra prediction for advanced video coding
JP4617644B2 (ja) 2003-07-18 2011-01-26 ソニー株式会社 符号化装置及び方法
US20050036549A1 (en) 2003-08-12 2005-02-17 Yong He Method and apparatus for selection of scanning mode in dual pass encoding
US7782954B2 (en) 2003-09-07 2010-08-24 Microsoft Corporation Scan patterns for progressive video content
US7688894B2 (en) 2003-09-07 2010-03-30 Microsoft Corporation Scan patterns for interlaced video content
EP1534018B1 (en) 2003-11-21 2008-11-12 Samsung Electronics Co., Ltd. Apparatus and method for generating coded block pattern for alpha channel image and alpha channel image encoding/decoding apparatus and method using the same
US7379608B2 (en) 2003-12-04 2008-05-27 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung, E.V. Arithmetic coding for transforming video and picture data units
JP4142563B2 (ja) 2003-12-12 2008-09-03 株式会社エヌ・ティ・ティ・ドコモ 動画像符号化装置、動画像符号化方法、及び動画像符号化プログラム
US7894530B2 (en) * 2004-05-07 2011-02-22 Broadcom Corporation Method and system for dynamic selection of transform size in a video decoder based on signal content
US7565020B2 (en) * 2004-07-03 2009-07-21 Microsoft Corp. System and method for image coding employing a hybrid directional prediction and wavelet lifting
JP2008519484A (ja) 2004-11-04 2008-06-05 トムソン ライセンシング ビデオ・エンコーダにおける高速イントラ・モード予測
JP2006140758A (ja) 2004-11-12 2006-06-01 Toshiba Corp 動画像符号化方法、動画像符号化装置および動画像符号化プログラム
JP4763422B2 (ja) 2004-12-03 2011-08-31 パナソニック株式会社 イントラ予測装置
US20070171978A1 (en) 2004-12-28 2007-07-26 Keiichi Chono Image encoding apparatus, image encoding method and program thereof
US8311119B2 (en) 2004-12-31 2012-11-13 Microsoft Corporation Adaptive coefficient scan order
US7751478B2 (en) 2005-01-21 2010-07-06 Seiko Epson Corporation Prediction intra-mode selection in an encoder
KR101088375B1 (ko) 2005-07-21 2011-12-01 삼성전자주식회사 가변 블록 변환 장치 및 방법 및 이를 이용한 영상부호화/복호화 장치 및 방법
US20090123066A1 (en) 2005-07-22 2009-05-14 Mitsubishi Electric Corporation Image encoding device, image decoding device, image encoding method, image decoding method, image encoding program, image decoding program, computer readable recording medium having image encoding program recorded therein,
CN100466745C (zh) 2005-10-11 2009-03-04 华为技术有限公司 帧内预测编解码方法及其系统
EP2733951A1 (en) * 2005-10-21 2014-05-21 Electronics and Telecommunications Research Institute Method for decoding moving picture using adaptive scanning
JP5089878B2 (ja) 2005-10-28 2012-12-05 パナソニック株式会社 画像符号化装置
JP2007189276A (ja) 2006-01-11 2007-07-26 Victor Co Of Japan Ltd 画像圧縮装置及び画像圧縮プログラム
KR101246294B1 (ko) 2006-03-03 2013-03-21 삼성전자주식회사 영상의 인트라 예측 부호화, 복호화 방법 및 장치
JP2007267123A (ja) 2006-03-29 2007-10-11 Victor Co Of Japan Ltd 動画像符号化装置
DE102006023933A1 (de) * 2006-05-19 2007-11-29 Atmel Germany Gmbh Speichervorrichtung und Verfahren zur Programmierung einer nicht-flüchtigen Speichermatrix
KR100882949B1 (ko) 2006-08-17 2009-02-10 한국전자통신연구원 화소 유사성에 따라 적응적인 이산 코사인 변환 계수스캐닝을 이용한 부호화/복호화 장치 및 그 방법
BRPI0719853A2 (pt) 2006-10-10 2014-06-03 Nippon Telegraph & Telephone Método e aparelho de controle de codificação de intrapredição, programa para o mesmo, e meio de armazenamento o qual armazena o programa
JP4908180B2 (ja) 2006-12-20 2012-04-04 株式会社東芝 動画像符号化装置
US8331448B2 (en) 2006-12-22 2012-12-11 Qualcomm Incorporated Systems and methods for efficient spatial intra predictabilty determination (or assessment)
KR101366086B1 (ko) 2007-01-03 2014-02-21 삼성전자주식회사 잔차 블록의 계수들에 대한 부호화 결정 방법, 장치,인코더 및 디코더
CN101222641B (zh) 2007-01-11 2011-08-24 华为技术有限公司 帧内预测编解码方法及其装置
JP2008193627A (ja) 2007-01-12 2008-08-21 Mitsubishi Electric Corp 画像符号化装置、画像復号装置、および画像符号化方法、画像復号方法
ES2355850T3 (es) 2007-01-18 2011-03-31 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Flujo de datos de vídeo con calidad ajustable a escala.
US8238428B2 (en) 2007-04-17 2012-08-07 Qualcomm Incorporated Pixel-by-pixel weighting for intra-frame coding
KR100865690B1 (ko) 2007-05-21 2008-10-28 한양대학교 산학협력단 고속 인트라 예측모드 결정 장치 및 방법
US8571104B2 (en) 2007-06-15 2013-10-29 Qualcomm, Incorporated Adaptive coefficient scanning in video coding
US8428133B2 (en) 2007-06-15 2013-04-23 Qualcomm Incorporated Adaptive coding of video block prediction mode
US8331444B2 (en) 2007-06-26 2012-12-11 Qualcomm Incorporated Sub-band scanning techniques for entropy coding of sub-bands
US20090006036A1 (en) * 2007-06-27 2009-01-01 International Business Machines Corporation Shared, Low Cost and Featureable Performance Monitor Unit
EP3410706B1 (en) 2007-06-29 2021-12-01 Velos Media International Limited Image encoding device and image decoding device
US8437564B2 (en) 2007-08-07 2013-05-07 Ntt Docomo, Inc. Image and video compression using sparse orthonormal transforms
TW200910971A (en) 2007-08-22 2009-03-01 Univ Nat Cheng Kung Direction detection algorithms for H.264 intra prediction
CN101415121B (zh) 2007-10-15 2010-09-29 华为技术有限公司 一种自适应的帧预测的方法及装置
JP5004180B2 (ja) 2007-11-07 2012-08-22 Kddi株式会社 動画像符号化装置および復号装置
WO2009080133A1 (en) 2007-12-21 2009-07-02 Telefonaktiebolaget Lm Ericsson (Publ) Adaptive intra mode selection
EP2081386A1 (en) 2008-01-18 2009-07-22 Panasonic Corporation High precision edge prediction for intracoding
CN101500160B (zh) 2008-01-28 2015-04-29 华为技术有限公司 一种码流标识方法、装置及编解码系统
KR101353301B1 (ko) 2008-04-11 2014-01-21 에스케이 텔레콤주식회사 인트라 예측 모드 결정 방법 및 그 장치와 이를 이용한영상 부호화/복호화 방법 및 그 장치
KR101549823B1 (ko) * 2008-09-02 2015-09-04 삼성전자주식회사 적응적 이진화를 이용한 영상 부호화, 복호화 방법 및 장치
KR20100027384A (ko) 2008-09-02 2010-03-11 삼성전자주식회사 예측 모드 결정 방법 및 장치
JP4937224B2 (ja) 2008-09-30 2012-05-23 株式会社東芝 画像符号化装置
US8737613B2 (en) 2008-11-20 2014-05-27 Mediatek Inc. Scanning methods of transform-based digital data processing that conditionally adjust scan order according to characteristics information and related apparatus thereof
US20100172409A1 (en) * 2009-01-06 2010-07-08 Qualcom Incorporated Low-complexity transforms for data compression and decompression
JP2012516627A (ja) 2009-01-27 2012-07-19 トムソン ライセンシング ビデオ符号化およびビデオ復号における変換の選択のための方法および装置
CN107277512B (zh) 2009-07-06 2020-11-03 交互数字Vc控股公司 用于空间变化残差编码、解码的方法和设备
WO2011031332A1 (en) 2009-09-14 2011-03-17 Thomson Licensing Methods and apparatus for efficient video encoding and decoding of intra prediction mode
US20110116539A1 (en) * 2009-11-13 2011-05-19 Freescale Semiconductor, Inc. Method and apparatus for video decoding with reduced complexity inverse transform
JP5377395B2 (ja) 2010-04-02 2013-12-25 日本放送協会 符号化装置、復号装置及びプログラム
KR101502495B1 (ko) * 2010-04-13 2015-03-13 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 유효성 맵 및 변환 계수 블록의 코딩
US9083974B2 (en) 2010-05-17 2015-07-14 Lg Electronics Inc. Intra prediction modes
US20110317757A1 (en) * 2010-06-25 2011-12-29 Qualcomm Incorporated Intra prediction mode signaling for finer spatial prediction directions
US9215470B2 (en) 2010-07-09 2015-12-15 Qualcomm Incorporated Signaling selected directional transform for video coding
US9313514B2 (en) 2010-10-01 2016-04-12 Sharp Kabushiki Kaisha Methods and systems for entropy coder initialization
US10992958B2 (en) 2010-12-29 2021-04-27 Qualcomm Incorporated Video coding using mapped transforms and scanning modes

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