JP2019515561A5 - - Google Patents

Download PDF

Info

Publication number
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
Authority
JP
Japan
Prior art keywords
block
value
syntax element
quadratic
transform
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP2018556904A
Other languages
English (en)
Japanese (ja)
Other versions
JP2019515561A (ja
JP6960943B2 (ja
Filing date
Publication date
Priority claimed from US15/584,859 external-priority patent/US10708164B2/en
Application filed filed Critical
Publication of JP2019515561A publication Critical patent/JP2019515561A/ja
Publication of JP2019515561A5 publication Critical patent/JP2019515561A5/ja
Application granted granted Critical
Publication of JP6960943B2 publication Critical patent/JP6960943B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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

Publications (3)

Publication Number Publication Date
JP2019515561A JP2019515561A (ja) 2019-06-06
JP2019515561A5 true JP2019515561A5 (https=) 2020-05-21
JP6960943B2 JP6960943B2 (ja) 2021-11-05

Family

ID=58699315

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2018556904A Active JP6960943B2 (ja) 2016-05-03 2017-05-03 2次変換インデックスの2値化

Country Status (8)

Country Link
US (2) US10708164B2 (https=)
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

Similar Documents

Publication Publication Date Title
JP2019515561A5 (https=)
JP2022137130A (ja) 輝度チャネル及び少なくとも1つのクロミナンスチャネルによって表される画像データを含む画像ユニットを符号化/復号する方法及び装置
JP7741937B2 (ja) スカラー量子化従属性のためのスカラー量子化器決定スキーム
TWI670971B (zh) 基於調色板之視訊寫碼中之逃脫樣本寫碼
JP2017513322A5 (https=)
WO2018103568A1 (zh) 云桌面内容编码与解码方法及装置、系统
TWI551124B (zh) 應用於視訊系統之編碼/解碼方法及編碼/解碼裝置
EP2697974A2 (en) Methods and devices for coding and decoding the position of the last significant coefficient
MX2025010436A (es) Metodo y aparato para codificacion de video en formato croma 4:4:4
CN107018416B (zh) 用于视频和图像压缩的自适应贴片数据大小编码
CN110291789A (zh) 用于选择用于对残差块进行编码/解码的编码模式的方法和装置
US10750175B2 (en) Quantization partitioning for enhanced image compression
JP7162532B2 (ja) ビデオデータに関係する構文要素を表す一連の2値シンボルをコンテキスト適応型2値算術符号化するための方法及び装置
TW202106013A (zh) 用於視訊寫碼中之自適應迴路濾波器之剪切索引寫碼
KR102407027B1 (ko) 컬러 매핑 데이터에 기초하여 비디오 신호를 컬러 매핑하는 방법 및 비디오 신호 및 컬러 매핑 데이터를 인코딩하는 방법 및 대응하는 디바이스들
TW202002654A (zh) 具有群組分流位元子之係數寫碼
CN114375577B (zh) 视频编码、解码的方法和装置
CN112822488B (zh) 基于块重组的视频编解码系统、方法、装置、终端及介质
KR20180010195A (ko) 비디오 신호를 컬러 맵핑하기 위한 방법 및 대응하는 디바이스
CN104754343A (zh) 图像处理方法与系统、解码方法、编码器与解码器
US10595033B2 (en) Variable length coding of header data for image compression
US20200322621A1 (en) Video decoder and manufacturing method therefor, and data processing circuit, system and method
CN112449186B (zh) 编码方法、解码方法、相应的装置、电子设备及存储介质
WO2019127003A1 (zh) 图像编码方法、装置以及电子设备
HK40070626B (zh) 视频编码、解码的方法和装置