JP2023160996A5 - - Google Patents

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JP2023160996A5
JP2023160996A5 JP2023148870A JP2023148870A JP2023160996A5 JP 2023160996 A5 JP2023160996 A5 JP 2023160996A5 JP 2023148870 A JP2023148870 A JP 2023148870A JP 2023148870 A JP2023148870 A JP 2023148870A JP 2023160996 A5 JP2023160996 A5 JP 2023160996A5
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JP2023148870A 2019-02-22 2023-09-14 イントラ予測のための隣接サンプル選択 Active JP7744392B2 (ja)

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Application Number Priority Date Filing Date Title
CNPCT/CN2019/075874 2019-02-22
CN2019075874 2019-02-22
CN2019075993 2019-02-24
CNPCT/CN2019/075993 2019-02-24
CNPCT/CN2019/076195 2019-02-26
CN2019076195 2019-02-26
CN2019079396 2019-03-24
CNPCT/CN2019/079396 2019-03-24
CN2019079431 2019-03-25
CNPCT/CN2019/079431 2019-03-25
CN2019079769 2019-03-26
CNPCT/CN2019/079769 2019-03-26
PCT/CN2020/076361 WO2020169101A1 (en) 2019-02-22 2020-02-24 Neighbouring sample selection for intra prediction
JP2021547179A JP7601512B2 (ja) 2019-02-22 2020-02-24 イントラ予測のための隣接サンプル選択

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CN (1) CN113439437B (https=)
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Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI820168B (zh) 2018-07-15 2023-11-01 大陸商北京字節跳動網絡技術有限公司 跨分量編碼資訊導出
CN116347109A (zh) 2018-08-17 2023-06-27 北京字节跳动网络技术有限公司 一种处理视频数据的方法和装置
CN117478883A (zh) 2018-09-12 2024-01-30 北京字节跳动网络技术有限公司 交叉分量线性模型中的尺寸相关的下采样
CN117640955A (zh) 2018-11-06 2024-03-01 北京字节跳动网络技术有限公司 帧内预测的简化参数推导
WO2020108591A1 (en) 2018-12-01 2020-06-04 Beijing Bytedance Network Technology Co., Ltd. Parameter derivation for intra prediction
KR102676917B1 (ko) 2018-12-07 2024-06-19 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 컨텍스트 기반 인트라 예측
WO2020125794A1 (en) 2018-12-22 2020-06-25 Beijing Bytedance Network Technology Co., Ltd. Two step cross-component prediction mode
CN113491121B (zh) 2019-02-24 2022-12-06 北京字节跳动网络技术有限公司 对视频数据进行编解码的方法、设备及计算机可读介质
EP3912343A4 (en) 2019-03-08 2022-07-20 Beijing Bytedance Network Technology Co., Ltd. Constraints on model-based reshaping in video processing
CN113767631B (zh) 2019-03-24 2023-12-15 北京字节跳动网络技术有限公司 用于帧内预测的参数推导中的条件
WO2020211869A1 (en) 2019-04-18 2020-10-22 Beijing Bytedance Network Technology Co., Ltd. Parameter derivation in cross component mode
BR112021019675A2 (pt) 2019-04-23 2021-12-07 Beijing Bytedance Network Tech Co Ltd Método para processamento de mídia visual, aparelho codificador de vídeo, aparelho decodificador de vídeo, e, mídia legível por computador
CN113796072B (zh) 2019-05-08 2023-10-03 北京字节跳动网络技术有限公司 跨分量编解码的适用性条件
JP7418478B2 (ja) 2019-06-22 2024-01-19 北京字節跳動網絡技術有限公司 クロマ残差スケーリングのためのシンタックス要素
JP7460748B2 (ja) 2019-07-07 2024-04-02 北京字節跳動網絡技術有限公司 クロマ残差スケーリングのシグナリング
KR20210027173A (ko) * 2019-08-28 2021-03-10 주식회사 케이티 비디오 신호 처리 방법 및 장치
WO2021052492A1 (en) 2019-09-20 2021-03-25 Beijing Bytedance Network Technology Co., Ltd. Luma mapping with chroma scaling
WO2021083259A1 (en) 2019-10-29 2021-05-06 Beijing Bytedance Network Technology Co., Ltd. Signaling of cross-component adaptive loop filter
WO2021104409A1 (en) 2019-11-30 2021-06-03 Beijing Bytedance Network Technology Co., Ltd. Cross-component adaptive filtering and subblock coding
WO2021115235A1 (en) 2019-12-08 2021-06-17 Beijing Bytedance Network Technology Co., Ltd. Cross-component prediction using multiple components
KR102619404B1 (ko) 2019-12-11 2023-12-28 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 크로스 컴포넌트 적응적 루프 필터링을 위한 샘플 패딩
WO2021136504A1 (en) 2019-12-31 2021-07-08 Beijing Bytedance Network Technology Co., Ltd. Cross-component prediction with multiple-parameter model
KR102846913B1 (ko) 2020-06-30 2025-08-14 두인 비전 컴퍼니 리미티드 적응적 루프 필터링을 위한 경계 위치
WO2022194197A1 (en) 2021-03-17 2022-09-22 Beijing Bytedance Network Technology Co., Ltd. Separate Tree Coding Restrictions
CN117813816A (zh) * 2021-08-19 2024-04-02 北京达佳互联信息技术有限公司 用于解码器侧帧内模式推导的方法和设备
JP2025520355A (ja) * 2022-06-20 2025-07-03 オッポ広東移動通信有限公司 局所照明補償方法、ビデオコーディング方法、装置及びシステム
US12407824B2 (en) * 2022-09-02 2025-09-02 Tencent America LLC Selecting downsampling filters for chroma from luma prediction
CN120883612A (zh) * 2023-02-16 2025-10-31 抖音视界有限公司 用于视频处理的方法、装置和介质
US20250247520A1 (en) * 2024-01-26 2025-07-31 Tencent America LLC Simplified Multi-Hypothesis Cross Component Prediction Models

Family Cites Families (86)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013034163A (ja) * 2011-06-03 2013-02-14 Sony Corp 画像処理装置及び画像処理方法
US9693070B2 (en) 2011-06-24 2017-06-27 Texas Instruments Incorporated Luma-based chroma intra-prediction for video coding
US9674521B2 (en) 2011-06-28 2017-06-06 Samsung Electronics Co., Ltd. Prediction method and apparatus for chroma component of image using luma component of image
JP2014525176A (ja) 2011-07-12 2014-09-25 インテル コーポレイション 輝度に基づく色度イントラ予測
CN103096055B (zh) 2011-11-04 2016-03-30 华为技术有限公司 一种图像信号帧内预测及解码的方法和装置
US9344722B2 (en) 2011-11-18 2016-05-17 Futurewei Technologies, Inc. Scanning of prediction residuals in high efficiency video coding
US9307237B2 (en) 2012-01-19 2016-04-05 Futurewei Technologies, Inc. Reference pixel reduction for intra LM prediction
WO2013112739A1 (en) * 2012-01-24 2013-08-01 Futurewei Technologies, Inc. Simplification of lm mode
US9438905B2 (en) * 2012-04-12 2016-09-06 Futurewei Technologies, Inc. LM mode with uniform bit-width multipliers
WO2013155662A1 (en) * 2012-04-16 2013-10-24 Mediatek Singapore Pte. Ltd. Methods and apparatuses of simplification for intra chroma lm mode
CN103379321B (zh) 2012-04-16 2017-02-01 华为技术有限公司 视频图像分量的预测方法和装置
EP2920964B1 (en) 2013-03-26 2018-05-09 MediaTek Inc. Method of cross color intra prediction
WO2015054307A2 (en) 2013-10-07 2015-04-16 Vid Scale, Inc. Combined scalability processing for multi-layer video coding
KR101884408B1 (ko) 2014-06-19 2018-08-02 브이아이디 스케일, 인크. 3차원 기반 컬러 매핑에서의 모델 파라미터 최적화를 위한 시스템 및 방법
US10200700B2 (en) 2014-06-20 2019-02-05 Qualcomm Incorporated Cross-component prediction in video coding
KR20200051831A (ko) 2014-10-28 2020-05-13 미디어텍 싱가폴 피티이. 엘티디. 비디오 코딩을 위한 가이드된 크로스-컴포넌트 예측 방법
KR20170101983A (ko) * 2014-12-31 2017-09-06 노키아 테크놀로지스 오와이 스케일러블 비디오 코딩 및 디코딩을 위한 계층 간 예측
WO2016115708A1 (en) 2015-01-22 2016-07-28 Mediatek Singapore Pte. Ltd. Methods for chroma component coding with separate intra prediction mode
CN107211121B (zh) 2015-01-22 2020-10-23 联发科技(新加坡)私人有限公司 视频编码方法与视频解码方法
US9998742B2 (en) * 2015-01-27 2018-06-12 Qualcomm Incorporated Adaptive cross component residual prediction
US10455249B2 (en) * 2015-03-20 2019-10-22 Qualcomm Incorporated Downsampling process for linear model prediction mode
JP2018524897A (ja) * 2015-06-19 2018-08-30 ノキア テクノロジーズ オーユー ビデオの符号化・復号装置、方法、およびコンピュータプログラム
KR102741824B1 (ko) 2015-07-08 2024-12-11 인터디지털 매디슨 페턴트 홀딩스 에스에이에스 교차 평면 필터링을 이용한 향상된 크로마 코딩
US20170016972A1 (en) * 2015-07-13 2017-01-19 Siemens Medical Solutions Usa, Inc. Fast Prospective Motion Correction For MR Imaging
WO2017051072A1 (en) * 2015-09-23 2017-03-30 Nokia Technologies Oy A method, an apparatus and a computer program product for coding a 360-degree panoramic video
WO2017059926A1 (en) * 2015-10-09 2017-04-13 Telefonaktiebolaget Lm Ericsson (Publ) Cross component prediction in video coding
US20170150156A1 (en) 2015-11-25 2017-05-25 Qualcomm Incorporated Illumination compensation with non-square predictive blocks in video coding
FI20165256A (fi) * 2016-03-24 2017-09-25 Nokia Technologies Oy Laitteisto, menetelmä ja tietokoneohjelma videokoodaukseen ja -dekoodaukseen
US9948930B2 (en) * 2016-05-17 2018-04-17 Arris Enterprises Llc Template matching for JVET intra prediction
CN109314782A (zh) 2016-05-24 2019-02-05 夏普株式会社 用于帧内预测编码的系统和方法
WO2017205704A1 (en) * 2016-05-25 2017-11-30 Arris Enterprises Llc General block partitioning method
CA3025488A1 (en) * 2016-05-25 2017-11-30 Arris Enterprises Llc Weighted angular prediction for intra coding
WO2017205621A1 (en) * 2016-05-25 2017-11-30 Arris Enterprises Llc Jvet coding block structure with asymmetrical partitioning
US10645395B2 (en) * 2016-05-25 2020-05-05 Arris Enterprises Llc Weighted angular prediction coding for intra coding
WO2017205700A1 (en) * 2016-05-25 2017-11-30 Arris Enterprises Llc Binary, ternary and quad tree partitioning for jvet coding of video data
CN114979648B (zh) * 2016-05-27 2024-02-13 松下电器(美国)知识产权公司 编码方法、解码方法、及编码和解码方法
US10484712B2 (en) * 2016-06-08 2019-11-19 Qualcomm Incorporated Implicit coding of reference line index used in intra prediction
FI20165547A1 (fi) * 2016-06-30 2018-12-31 Nokia Technologies Oy Laitteisto, menetelmä ja tietokoneohjelma videokoodausta ja videokoodauksen purkua varten
CN109479133B (zh) * 2016-07-22 2021-07-16 夏普株式会社 使用自适应分量缩放对视频数据进行编码的系统和方法
US11095922B2 (en) * 2016-08-02 2021-08-17 Qualcomm Incorporated Geometry transformation-based adaptive loop filtering
WO2018030293A1 (ja) * 2016-08-10 2018-02-15 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
EP3499888A4 (en) 2016-08-10 2019-06-19 Panasonic Intellectual Property Corporation of America CODING DEVICE, DECODING DEVICE, CODING METHOD AND DECODING METHOD
US10368107B2 (en) * 2016-08-15 2019-07-30 Qualcomm Incorporated Intra video coding using a decoupled tree structure
US10326986B2 (en) 2016-08-15 2019-06-18 Qualcomm Incorporated Intra video coding using a decoupled tree structure
US10390015B2 (en) 2016-08-26 2019-08-20 Qualcomm Incorporated Unification of parameters derivation procedures for local illumination compensation and cross-component linear model prediction
US10419757B2 (en) 2016-08-31 2019-09-17 Qualcomm Incorporated Cross-component filter
US10652575B2 (en) * 2016-09-15 2020-05-12 Qualcomm Incorporated Linear model chroma intra prediction for video coding
US10382781B2 (en) * 2016-09-28 2019-08-13 Qualcomm Incorporated Interpolation filters for intra prediction in video coding
GB2555788A (en) * 2016-11-08 2018-05-16 Nokia Technologies Oy An apparatus, a method and a computer program for video coding and decoding
US10477240B2 (en) * 2016-12-19 2019-11-12 Qualcomm Incorporated Linear model prediction mode with sample accessing for video coding
US10873746B2 (en) 2016-12-21 2020-12-22 Sharp Kabushiki Kaisha Intra prediction image generation device using cross-component liner model, image decoding apparatus, and image coding apparatus using same
US10674165B2 (en) * 2016-12-21 2020-06-02 Arris Enterprises Llc Constrained position dependent intra prediction combination (PDPC)
GB2574733B (en) * 2016-12-28 2020-05-06 Arris Entpr Llc Improved video bitstream coding
WO2018125972A1 (en) * 2016-12-28 2018-07-05 Arris Enterprises Llc Adaptive unequal weight planar prediction
US20180199062A1 (en) * 2017-01-11 2018-07-12 Qualcomm Incorporated Intra prediction techniques for video coding
US11025903B2 (en) * 2017-01-13 2021-06-01 Qualcomm Incorporated Coding video data using derived chroma mode
US10694181B2 (en) 2017-01-27 2020-06-23 Qualcomm Incorporated Bilateral filters in video coding with reduced complexity
US10542264B2 (en) * 2017-04-04 2020-01-21 Arris Enterprises Llc Memory reduction implementation for weighted angular prediction
CN110574374B (zh) * 2017-04-28 2022-02-25 夏普株式会社 图像解码装置
US10602180B2 (en) * 2017-06-13 2020-03-24 Qualcomm Incorporated Motion vector prediction
WO2018236031A1 (ko) * 2017-06-21 2018-12-27 엘지전자(주) 인트라 예측 모드 기반 영상 처리 방법 및 이를 위한 장치
US11184636B2 (en) * 2017-06-28 2021-11-23 Sharp Kabushiki Kaisha Video encoding device and video decoding device
BR112019016885A2 (pt) * 2017-06-29 2020-04-14 Dolby Laboratories Licensing Corporation remodelagem de imagem integrada e codificação de vídeo
WO2019006363A1 (en) 2017-06-30 2019-01-03 Vid Scale, Inc. LOCAL LIGHTING COMPENSATION USING GENERALIZED BI-PREDICTION
WO2019010267A1 (en) * 2017-07-05 2019-01-10 Arris Enterprises Llc POST-FILTERING FOR WEIGHTED ANGULAR PREDICTION
CN109274969B (zh) * 2017-07-17 2020-12-22 华为技术有限公司 色度预测的方法和设备
EP3643065A1 (en) * 2017-07-24 2020-04-29 ARRIS Enterprises LLC Intra mode jvet coding
KR20200027013A (ko) * 2017-07-24 2020-03-11 애리스 엔터프라이지즈 엘엘씨 인트라 모드 jvet 코딩
JP6994868B2 (ja) * 2017-08-09 2022-01-14 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 符号化装置、復号装置、符号化方法、および復号方法
MX2020003656A (es) * 2017-10-02 2020-10-12 Arris Entpr Llc Sistema y método para reducir artefactos de bloque y proporcionar eficiencia de codificación mejorada.
MX2020003722A (es) * 2017-10-09 2020-09-18 Arris Entpr Llc Predicción de peso en planos desiguales adaptativa.
US10965941B2 (en) * 2017-10-09 2021-03-30 Qualcomm Incorporated Position-dependent prediction combinations in video coding
GB2567249A (en) * 2017-10-09 2019-04-10 Canon Kk New sample sets and new down-sampling schemes for linear component sample prediction
GB2580268B (en) * 2017-12-18 2023-03-08 Arris Entpr Llc System and method for constructing a plane for planar prediction
US20190313108A1 (en) 2018-04-05 2019-10-10 Qualcomm Incorporated Non-square blocks in video coding
US10609402B2 (en) * 2018-05-02 2020-03-31 Tencent America LLC Method and apparatus for prediction and transform for small blocks
WO2019210840A1 (en) 2018-05-03 2019-11-07 FG Innovation Company Limited Device and method for coding video data based on different reference sets in linear model prediction
EP4447448A3 (en) 2018-07-02 2025-01-01 TCL King Electrical Appliances (Huizhou) Co. Ltd. Cclm-based intra-prediction method and device
CN109005408B (zh) * 2018-08-01 2020-05-29 北京奇艺世纪科技有限公司 一种帧内预测方法、装置及电子设备
CN117640955A (zh) 2018-11-06 2024-03-01 北京字节跳动网络技术有限公司 帧内预测的简化参数推导
US11197005B2 (en) 2018-11-08 2021-12-07 Qualcomm Incorporated Cross-component prediction for video coding
US11178396B2 (en) 2018-11-14 2021-11-16 Tencent America LLC Constrained intra prediction and unified most probable mode list generation
KR102676917B1 (ko) 2018-12-07 2024-06-19 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 컨텍스트 기반 인트라 예측
US11095921B2 (en) 2018-12-18 2021-08-17 Tencent America LLC Method and apparatus for video encoding or decoding
KR102392701B1 (ko) 2019-01-15 2022-04-28 엘지전자 주식회사 변환 스킵 플래그를 이용한 영상 코딩 방법 및 장치
CN113491121B (zh) 2019-02-24 2022-12-06 北京字节跳动网络技术有限公司 对视频数据进行编解码的方法、设备及计算机可读介质

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