JP2019515561A5 - - Google Patents

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JP2019515561A5
JP2019515561A5 JP2018556904A JP2018556904A JP2019515561A5 JP 2019515561 A5 JP2019515561 A5 JP 2019515561A5 JP 2018556904 A JP2018556904 A JP 2018556904A JP 2018556904 A JP2018556904 A JP 2018556904A JP 2019515561 A5 JP2019515561 A5 JP 2019515561A5
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US201662331290P 2016-05-03 2016-05-03
US62/331,290 2016-05-03
US201662332425P 2016-05-05 2016-05-05
US62/332,425 2016-05-05
US201662337310P 2016-05-16 2016-05-16
US62/337,310 2016-05-16
US201662340949P 2016-05-24 2016-05-24
US62/340,949 2016-05-24
US201662365853P 2016-07-22 2016-07-22
US62/365,853 2016-07-22
US15/584,859 US10708164B2 (en) 2016-05-03 2017-05-02 Binarizing secondary transform index
US15/584,859 2017-05-02
PCT/US2017/030815 WO2017192705A1 (en) 2016-05-03 2017-05-03 Binarizing secondary transform index

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JP2019515561A5 true JP2019515561A5 (https=) 2020-05-21
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EP (1) EP3453176B1 (https=)
JP (1) JP6960943B2 (https=)
KR (1) KR102575798B1 (https=)
CN (2) CN113453019B (https=)
CA (1) CA3018197A1 (https=)
TW (1) TWI755394B (https=)
WO (1) WO2017192705A1 (https=)

Families Citing this family (84)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
KR20170058837A (ko) * 2015-11-19 2017-05-29 한국전자통신연구원 화면내 예측모드 부호화/복호화 방법 및 장치
EP4192009A1 (en) 2015-11-19 2023-06-07 LX Semicon Co., Ltd. Method and apparatus for encoding/decoding intra prediction mode
US10708164B2 (en) 2016-05-03 2020-07-07 Qualcomm Incorporated Binarizing secondary transform index
US10630974B2 (en) * 2017-05-30 2020-04-21 Google Llc Coding of intra-prediction modes
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
WO2019065488A1 (ja) * 2017-09-28 2019-04-04 シャープ株式会社 画像復号装置および画像符号化装置
WO2019117634A1 (ko) * 2017-12-15 2019-06-20 엘지전자 주식회사 2차 변환에 기반한 영상 코딩 방법 및 그 장치
KR20250107949A (ko) * 2017-12-15 2025-07-14 엘지전자 주식회사 비분리 2차 변환에 기반한 영상 코딩 방법 및 그 장치
KR102489149B1 (ko) * 2017-12-21 2023-01-17 엘지전자 주식회사 선택적 변환에 기반한 영상 코딩 방법 및 그 장치
US10567801B2 (en) * 2018-03-07 2020-02-18 Tencent America LLC Method and apparatus for video coding with primary and secondary transforms
MY208069A (en) * 2018-03-07 2025-04-11 Huawei Tech Co Ltd Method and apparatus for harmonizing multiple sign bit hiding and residual sign prediction
US10491914B2 (en) * 2018-03-29 2019-11-26 Tencent America LLC Transform information prediction
WO2019194503A1 (ko) * 2018-04-01 2019-10-10 엘지전자 주식회사 분할된 블록에 2차 변환을 적용하여 비디오 신호를 처리하는 방법 및 장치
KR102846149B1 (ko) * 2018-04-01 2025-08-12 엘지전자 주식회사 축소된 2차 변환을 이용하여 비디오 신호를 처리하는 방법 및 장치
US11350118B2 (en) 2018-05-30 2022-05-31 Digitalinsights Inc. Image encoding/decoding method and device
US10645396B2 (en) * 2018-06-04 2020-05-05 Tencent America LLC Method and apparatus for implicit transform splitting
US11356702B2 (en) 2018-06-06 2022-06-07 Lg Electronics Inc. Method for performing transform index coding on basis of intra prediction mode, and device therefor
US10567752B2 (en) 2018-07-02 2020-02-18 Tencent America LLC Method and apparatus for intra prediction for non-square blocks in video compression
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
WO2020009556A1 (ko) * 2018-07-06 2020-01-09 엘지전자 주식회사 변환에 기반한 영상 코딩 방법 및 그 장치
KR20250067947A (ko) * 2018-09-02 2025-05-15 엘지전자 주식회사 영상 신호를 처리하기 위한 방법 및 장치
EP3836543A1 (en) * 2018-09-02 2021-06-16 Lg Electronics Inc. Image coding method based on multiple transform selection and device therefor
JP7052075B2 (ja) 2018-09-02 2022-04-11 エルジー エレクトロニクス インコーポレイティド 映像信号を処理するための方法および装置
CN115514974B (zh) 2018-09-05 2025-04-01 Lg电子株式会社 对视频信号进行解码/编码及发送数据的方法及介质
EP3857894A4 (en) * 2018-10-08 2022-09-07 HFI Innovation Inc. METHOD AND APPARATUS FOR CODING THE LAST SIGNIFICANT COEFFICIENT IN IMAGE AND VIDEO CODING
US11128866B2 (en) 2018-10-18 2021-09-21 Qualcomm Incorporated Scans and last coefficient position coding for zero-out transforms
WO2020103901A1 (en) * 2018-11-21 2020-05-28 Huawei Technologies Co., Ltd. Intra prediction method and device
CN113170197B (zh) * 2018-12-06 2023-07-18 Lg电子株式会社 基于二次变换的图像编码方法及其装置
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
CN113261291B (zh) * 2018-12-22 2024-07-26 北京字节跳动网络技术有限公司 基于多个参数的两步交叉分量预测模式
US11470329B2 (en) * 2018-12-26 2022-10-11 Tencent America LLC Method and apparatus for video coding
CN113316934B (zh) * 2019-01-25 2024-03-08 寰发股份有限公司 带有变换块级别约束的变换系数编码的方法和设备
KR102772255B1 (ko) 2019-02-01 2025-02-25 엘지전자 주식회사 이차 변환에 기반한 영상 코딩 방법 및 그 장치
US10986339B2 (en) * 2019-02-08 2021-04-20 Tencent America LLC Method and apparatus for harmonization between transform skip mode and multiple transform selection
WO2020182093A1 (en) 2019-03-08 2020-09-17 Beijing Bytedance Network Technology Co., Ltd. Signaling of reshaping information in video processing
CN113574895B (zh) * 2019-03-11 2024-01-30 腾讯美国有限责任公司 视频编解码方法、装置及存储介质
AU2019201649A1 (en) * 2019-03-11 2020-10-01 Canon Kabushiki Kaisha Method, apparatus and system for encoding and decoding a tree of blocks of video samples
US11025909B2 (en) * 2019-03-21 2021-06-01 Tencent America LLC Method and apparatus for video coding
KR102862055B1 (ko) * 2019-03-26 2025-09-19 베이징 시아오미 모바일 소프트웨어 컴퍼니 리미티드 변환에 기반한 영상 코딩 방법 및 그 장치
US11172211B2 (en) * 2019-04-04 2021-11-09 Tencent America LLC Method and apparatus for video coding
US11943476B2 (en) * 2019-04-16 2024-03-26 Hfi Innovation Inc. Methods and apparatuses for coding video data with adaptive secondary transform signaling
EP3949423A4 (en) 2019-04-16 2023-04-12 HFI Innovation Inc. METHODS AND APPARATUS FOR ENCODING VIDEO DATA USING SECONDARY TRANSFORMATION
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
CN113767627B (zh) 2019-04-23 2022-11-25 北京字节跳动网络技术有限公司 基于二次变换的视频处理中的裁剪操作
TWI906218B (zh) * 2019-04-24 2025-12-01 美商松下電器(美國)知識產權公司 編碼裝置及編碼方法
US11445174B2 (en) * 2019-05-06 2022-09-13 Tencent America LLC Method and apparatus for video coding
WO2020228670A1 (en) 2019-05-10 2020-11-19 Beijing Bytedance Network Technology Co., Ltd. Luma based secondary transform matrix selection for video processing
KR20200132766A (ko) * 2019-05-15 2020-11-25 주식회사 엑스리스 영상 신호 부호화/복호화 방법 및 이를 위한 장치
US11032572B2 (en) 2019-05-17 2021-06-08 Qualcomm Incorporated Low-frequency non-separable transform signaling based on zero-out patterns for video coding
US11641471B2 (en) 2019-05-27 2023-05-02 Lg Electronics Inc. Image coding method and device on basis of wide-angle intra prediction and transform
US11218728B2 (en) * 2019-06-04 2022-01-04 Tencent America LLC Method and apparatus for video coding
CN113940070B (zh) * 2019-06-06 2023-11-21 Lg电子株式会社 基于变换的图像解码和编码方法及发送比特流的方法
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
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
US11303913B2 (en) * 2019-06-19 2022-04-12 Qualcomm Incorporated Decoded picture buffer indexing
WO2020256345A1 (ko) * 2019-06-19 2020-12-24 엘지전자 주식회사 영상 코딩 시스템에서 변환 커널 세트에 관한 정보에 대한 컨텍스트 코딩
EP3989562B1 (en) * 2019-06-19 2024-05-22 Lg Electronics Inc. Coding of information about transform kernel set
CN119484834A (zh) * 2019-06-19 2025-02-18 Lg 电子株式会社 图像编译中指示变换核集的信息的信令
KR102860992B1 (ko) 2019-06-20 2025-09-16 엘지전자 주식회사 루마 맵핑 기반 비디오 또는 영상 코딩
US11949870B2 (en) * 2019-06-21 2024-04-02 Qualcomm Incorporated Context modeling for low-frequency non-separable transformation signaling for video coding
CN119996688A (zh) 2019-06-21 2025-05-13 韩国电子通信研究院 图像编码/解码方法和设备
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
KR102745245B1 (ko) * 2019-06-25 2024-12-23 삼성전자주식회사 2차 변환을 이용하는 비디오 신호 처리 방법 및 장치
CN114208183B (zh) 2019-08-03 2025-01-10 北京字节跳动网络技术有限公司 视频的缩减二次变换中基于位置的模式导出
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
US11323743B2 (en) * 2019-08-26 2022-05-03 Tencent America LLC Interaction between CU partitions and sub-block transform
BR112022004724A2 (pt) * 2019-09-20 2022-06-14 Lg Electronics Inc Método de codificação de imagem com base na transformada e dispositivo para o mesmo
EP4032306A1 (en) 2019-09-20 2022-07-27 Nokia Technologies Oy An apparatus, a method and a computer program for video coding and decoding
MX2022003998A (es) * 2019-10-04 2022-04-26 Lg Electronics Inc Metodo de codificacion de imagenes a base de transformacion, y aparato para el mismo.
CN117714715A (zh) 2019-10-08 2024-03-15 Lg电子株式会社 图像解码设备、图像编码设备和数据发送设备
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
AU2019275552B2 (en) * 2019-12-03 2022-10-13 Canon Kabushiki Kaisha Method, apparatus and system for encoding and decoding a coding tree unit
WO2021115235A1 (en) * 2019-12-08 2021-06-17 Beijing Bytedance Network Technology Co., Ltd. Cross-component prediction using multiple components
US11869223B2 (en) * 2020-01-08 2024-01-09 Apple Inc. In-tree geometry quantization of point clouds
CN114981842B (zh) 2020-01-09 2025-08-19 苹果公司 点云的树内几何量化
US12231685B2 (en) 2020-02-25 2025-02-18 Hfi Innovation Inc. Methods and apparatus for secondary transform signaling in video coding
CN115606182B (zh) 2020-03-25 2026-02-06 抖音视界有限公司 使用增强二次变换的编解码视频处理
JP7360984B2 (ja) * 2020-03-31 2023-10-13 Kddi株式会社 画像復号装置、画像復号方法及びプログラム
CN115086657B (zh) 2021-03-14 2025-03-14 腾讯科技(深圳)有限公司 视频编解码方法、装置、计算机可读介质及电子设备
DE112022004854T5 (de) * 2021-12-09 2024-08-14 Apple Inc. Codieren und decodieren von videoinhalt unter verwendung von vorhersagebewusster flexibler skip-codierung
WO2024107210A1 (en) * 2022-11-15 2024-05-23 Google Llc Dc only transform coefficient mode for image and video coding

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7599435B2 (en) * 2004-01-30 2009-10-06 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Video frame encoding and decoding
US8619853B2 (en) * 2007-06-15 2013-12-31 Qualcomm Incorporated Separable directional transforms
US8483285B2 (en) * 2008-10-03 2013-07-09 Qualcomm Incorporated Video coding using transforms bigger than 4×4 and 8×8
ES2912048T3 (es) * 2010-04-13 2022-05-24 Ge Video Compression Llc Codificación de mapas de significado y bloques de coeficiente de transformada
HUE037656T2 (hu) * 2010-04-13 2018-09-28 Fraunhofer Ges Forschung Valószínûség intervallum partícionáló kódoló és dekódoló
US9215470B2 (en) * 2010-07-09 2015-12-15 Qualcomm Incorporated Signaling selected directional transform for video coding
US9641846B2 (en) * 2010-10-22 2017-05-02 Qualcomm Incorporated Adaptive scanning of transform coefficients for video coding
US10992958B2 (en) * 2010-12-29 2021-04-27 Qualcomm Incorporated Video coding using mapped transforms and scanning modes
CN107529709B (zh) * 2011-06-16 2019-05-07 Ge视频压缩有限责任公司 解码器、编码器、解码和编码视频的方法及存储介质
WO2013002585A2 (ko) * 2011-06-28 2013-01-03 삼성전자 주식회사 엔트로피 부호화/복호화 방법 및 장치
HUE050522T2 (hu) * 2011-06-28 2020-12-28 Samsung Electronics Co Ltd Video kódolási és dekódolási eljárás felhasználva aritmetikai kódolást az utolsó szignifikáns együttható kétdimenziós jelzésével
US9826238B2 (en) * 2011-06-30 2017-11-21 Qualcomm Incorporated Signaling syntax elements for transform coefficients for sub-sets of a leaf-level coding unit
CN103650510B (zh) * 2011-07-15 2018-05-22 谷歌技术控股有限责任公司 用于变换系数级编码的上下文建模技术
US9357185B2 (en) * 2011-11-08 2016-05-31 Qualcomm Incorporated Context optimization for last significant coefficient position coding
US8552890B2 (en) * 2012-01-19 2013-10-08 Sharp Laboratories Of America, Inc. Lossless coding with different parameter selection technique for CABAC in HEVC
US9363510B2 (en) * 2012-03-02 2016-06-07 Qualcomm Incorporated Scan-based sliding window in context derivation for transform coefficient coding
US9538172B2 (en) 2012-04-11 2017-01-03 Qualcomm Incorporated Grouping bypass coded syntax elements in video coding
US9264706B2 (en) * 2012-04-11 2016-02-16 Qualcomm Incorporated Bypass bins for reference index coding in video coding
US9584802B2 (en) * 2012-04-13 2017-02-28 Texas Instruments Incorporated Reducing context coded and bypass coded bins to improve context adaptive binary arithmetic coding (CABAC) throughput
US11025922B2 (en) * 2012-06-13 2021-06-01 Texas Instruments Incorporated Inverse transformation using pruning for video coding
WO2017138393A1 (en) 2016-02-08 2017-08-17 Sharp Kabushiki Kaisha Systems and methods for intra prediction coding
CN109417620B (zh) * 2016-03-25 2021-04-27 松下知识产权经营株式会社 用于使用信号依赖型自适应量化将运动图像编码及解码的方法及装置
US10708164B2 (en) 2016-05-03 2020-07-07 Qualcomm Incorporated Binarizing secondary transform index

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