JP6960943B2 - ２次変換インデックスの２値化 - Google Patents

２次変換インデックスの２値化 Download PDF

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JP6960943B2
JP6960943B2 JP2018556904A JP2018556904A JP6960943B2 JP 6960943 B2 JP6960943 B2 JP 6960943B2 JP 2018556904 A JP2018556904 A JP 2018556904A JP 2018556904 A JP2018556904 A JP 2018556904A JP 6960943 B2 JP6960943 B2 JP 6960943B2
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ヴァディム・セレジン
シン・ジャオ
ジエンレ・チェン
アミール・サイド
マルタ・カルチェヴィッチ
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クアルコム，インコーポレイテッド
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    • H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
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  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2018556904A 2016-05-03 2017-05-03 ２次変換インデックスの２値化 Active JP6960943B2 (ja)

Applications Claiming Priority (13)

Application Number Priority Date Filing Date Title
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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JP2019515561A JP2019515561A (ja) 2019-06-06
JP2019515561A5 JP2019515561A5 (https=) 2020-05-21
JP6960943B2 true JP6960943B2 (ja) 2021-11-05

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EP (1) EP3453176B1 (https=)
JP (1) JP6960943B2 (https=)
KR (1) KR102575798B1 (https=)
CN (2) CN109076230B (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
WO2017030418A1 (ko) * 2015-08-19 2017-02-23 엘지전자(주) 다중 그래프 기반 모델에 따라 최적화된 변환을 이용하여 비디오 신호를 인코딩/ 디코딩하는 방법 및 장치
CN118890465A (zh) 2015-11-19 2024-11-01 Lx半导体科技有限公司 图像编码/解码方法和图像数据的传输方法
KR20170058837A (ko) * 2015-11-19 2017-05-29 한국전자통신연구원 화면내 예측모드 부호화/복호화 방법 및 장치
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
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
WO2019117634A1 (ko) * 2017-12-15 2019-06-20 엘지전자 주식회사 2차 변환에 기반한 영상 코딩 방법 및 그 장치
RU2760566C2 (ru) * 2017-12-15 2021-11-29 ЭлДжи ЭЛЕКТРОНИКС ИНК. Способ кодирования изображения на основе неразделимого вторичного преобразования и устройство для него
CN115834876B (zh) * 2017-12-21 2025-08-08 Lg电子株式会社 解码和编码设备、存储比特流的介质和数据发送设备
CN111819854B (zh) * 2018-03-07 2022-12-06 华为技术有限公司 用于协调多符号位隐藏和残差符号预测的方法和装置
US10567801B2 (en) * 2018-03-07 2020-02-18 Tencent America LLC Method and apparatus for video coding with primary and secondary transforms
US10491914B2 (en) * 2018-03-29 2019-11-26 Tencent America LLC Transform information prediction
CN115604470B (zh) * 2018-04-01 2025-09-05 Lg电子株式会社 视频编解码方法、计算机可读存储介质及发送方法
KR20240040133A (ko) * 2018-04-01 2024-03-27 엘지전자 주식회사 분할된 블록에 2차 변환을 적용하여 비디오 신호를 처리하는 방법 및 장치
WO2019231206A1 (ko) * 2018-05-30 2019-12-05 디지털인사이트주식회사 영상 부호화/복호화 방법 및 장치
US10645396B2 (en) * 2018-06-04 2020-05-05 Tencent America LLC Method and apparatus for implicit transform splitting
WO2019235887A1 (ko) * 2018-06-06 2019-12-12 엘지전자 주식회사 인트라 예측 모드에 기초하여 변환 인덱스 코딩을 수행하는 방법 및 이를 위한 장치
KR20250029279A (ko) 2018-07-02 2025-03-04 광동 오포 모바일 텔레커뮤니케이션즈 코포레이션 리미티드 이차 변환을 기반으로 비디오 신호를 처리하는 방법 및 장치
US10567752B2 (en) 2018-07-02 2020-02-18 Tencent America LLC Method and apparatus for intra prediction for non-square blocks in video compression
CN112655216B (zh) * 2018-07-06 2023-10-24 Lg电子株式会社 基于变换的图像编码方法及装置
KR102633714B1 (ko) * 2018-09-02 2024-02-06 엘지전자 주식회사 다중 변환 선택에 기반한 영상 코딩 방법 및 그 장치
KR20250067947A (ko) 2018-09-02 2025-05-15 엘지전자 주식회사 영상 신호를 처리하기 위한 방법 및 장치
KR102765982B1 (ko) * 2018-09-02 2025-02-07 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
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
US11128866B2 (en) 2018-10-18 2021-09-21 Qualcomm Incorporated Scans and last coefficient position coding for zero-out transforms
MX2021005901A (es) * 2018-11-21 2021-06-23 Huawei Tech Co Ltd Metodo y dispositivo de intraprediccion.
KR20250069985A (ko) * 2018-12-06 2025-05-20 엘지전자 주식회사 이차 변환에 기반한 영상 코딩 방법 및 그 장치
CN116744004A (zh) * 2018-12-19 2023-09-12 Lg电子株式会社 编码设备、解码设备和数据发送设备
WO2020125794A1 (en) 2018-12-22 2020-06-25 Beijing Bytedance Network Technology Co., Ltd. Two step cross-component prediction mode
US11470329B2 (en) * 2018-12-26 2022-10-11 Tencent America LLC Method and apparatus for video coding
TWI737143B (zh) * 2019-01-25 2021-08-21 聯發科技股份有限公司 帶有變換塊級別約束的變換係數編碼的方法和設備
CN113302942B (zh) 2019-02-01 2024-02-13 Lg电子株式会社 基于二次变换的图像编码方法及其设备
US10986339B2 (en) * 2019-02-08 2021-04-20 Tencent America LLC Method and apparatus for harmonization between transform skip mode and multiple transform selection
EP3912343A4 (en) 2019-03-08 2022-07-20 Beijing Bytedance Network Technology Co., Ltd. Constraints on model-based reshaping in video processing
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
US11470354B2 (en) * 2019-03-11 2022-10-11 Tencent America LLC Inter PDPC mode
US11025909B2 (en) * 2019-03-21 2021-06-01 Tencent America LLC Method and apparatus for video coding
PL3937501T3 (pl) * 2019-03-26 2024-10-14 Lg Electronics Inc. Kodowanie obrazu oparte na przekształceniu
US11172211B2 (en) * 2019-04-04 2021-11-09 Tencent America LLC Method and apparatus for video coding
EP3949414A4 (en) * 2019-04-16 2023-04-12 HFI Innovation Inc. Methods and apparatuses for coding video data with adaptive secondary transform signaling
US11991393B2 (en) 2019-04-16 2024-05-21 Hfi Innovation Inc. Methods and apparatuses for coding video data with secondary transform
WO2020216296A1 (en) 2019-04-23 2020-10-29 Beijing Bytedance Network Technology Co., Ltd. Clipping operation in secondary transform based video processing
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
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
CN113841409B (zh) * 2019-05-10 2023-12-19 北京字节跳动网络技术有限公司 用于视频处理的简化二次变换的有条件使用
CN118381940A (zh) * 2019-05-15 2024-07-23 株式会社 Xris 用于对图像信号进行编码/解码的方法及其装置
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
KR102810175B1 (ko) * 2019-06-06 2025-05-20 광동 오포 모바일 텔레커뮤니케이션즈 코포레이션 리미티드 변환에 기반한 영상 코딩 방법 및 그 장치
CN113950828B (zh) 2019-06-07 2024-07-05 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
KR102831659B1 (ko) * 2019-06-19 2025-07-08 엘지전자 주식회사 영상 코딩 시스템에서 변환 커널 세트에 관한 정보에 대한 컨텍스트 코딩
MX2021016152A (es) 2019-06-19 2022-02-22 Lg Electronics Inc Se?alizacion de informacion que indica el conjunto de nucleo de transformacion en codificacion de imagen.
KR102813325B1 (ko) 2019-06-19 2025-05-27 엘지전자 주식회사 변환 커널 세트에 관한 정보에 대한 코딩
US11303913B2 (en) * 2019-06-19 2022-04-12 Qualcomm Incorporated Decoded picture buffer indexing
WO2020256512A1 (ko) 2019-06-20 2020-12-24 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
CN119996689A (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
EP3790275A4 (en) * 2019-06-25 2022-03-16 Wilus Institute of Standards and Technology Inc. VIDEO SIGNAL PROCESSING METHOD AND APPARATUS USING SECONDARY TRANSFORMATION
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
WO2021023151A1 (en) 2019-08-03 2021-02-11 Beijing Bytedance Network Technology Co., Ltd. Position based mode derivation in reduced secondary transforms for video
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
WO2021052832A1 (en) 2019-09-20 2021-03-25 Nokia Technologies Oy An apparatus, a method and a computer program for video coding and decoding
US12063366B2 (en) * 2019-09-20 2024-08-13 Lg Electronics Inc. Transform-based image coding method, and device therefor
EP4017010A4 (en) * 2019-10-04 2022-11-16 LG Electronics Inc. TRANSFORMATION-BASED IMAGE CODING METHOD AND APPARATUS THEREOF
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
WO2021142361A1 (en) * 2020-01-08 2021-07-15 Apple Inc. In-tree geometry quantization of point clouds
US12335521B2 (en) 2020-01-09 2025-06-17 Apple Inc. In-tree geometry quantization of point clouds
MX2022010390A (es) * 2020-02-25 2022-09-05 Hfi Innovation Inc Metodos y aparatos para se?alizacion de transformada secundaria en codificacion de video.
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
CN120075461A (zh) 2021-03-14 2025-05-30 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
WO2023107452A1 (en) * 2021-12-09 2023-06-15 Apple Inc. Encoding and decoding video content using prediction-aware flexible skip coding
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
KR101739808B1 (ko) * 2010-04-13 2017-05-25 지이 비디오 컴프레션, 엘엘씨 유효성 맵 및 변환 계수 블록의 코딩
JP5676744B2 (ja) * 2010-04-13 2015-02-25 フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン エントロピー符号化
US9172968B2 (en) * 2010-07-09 2015-10-27 Qualcomm Incorporated Video coding using directional transforms
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
PL3343781T3 (pl) * 2011-06-16 2022-03-28 Ge Video Compression, Llc Inicjalizacja kontekstu w kodowaniu entropijnym
WO2013002585A2 (ko) * 2011-06-28 2013-01-03 삼성전자 주식회사 엔트로피 부호화/복호화 방법 및 장치
EP3306939B1 (en) 2011-06-28 2020-08-05 Samsung Electronics Co., Ltd. Method and apparatus for video encoding, corresponding method for video decoding, video accompanied with arithmetic decoding and two dimensional last significant coefficient signaling
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
JP5733590B2 (ja) * 2011-07-15 2015-06-10 モトローラ モビリティ エルエルシーＭｏｔｏｒｏｌａ Ｍｏｂｉｌｉｔｙ Ｌｌｃ 変換係数レベルを符号化するコンテキストモデリング技法
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
EP3414906A4 (en) 2016-02-08 2019-10-02 Sharp Kabushiki Kaisha SYSTEMS AND METHOD FOR INTRAPRADICATION 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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