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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    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • 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 (enExample) 2020-05-21
JP6960943B2 true JP6960943B2 (ja) 2021-11-05

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US (2) US10708164B2 (enExample)
EP (1) EP3453176B1 (enExample)
JP (1) JP6960943B2 (enExample)
KR (1) KR102575798B1 (enExample)
CN (2) CN113453019B (enExample)
CA (1) CA3018197A1 (enExample)
TW (1) TWI755394B (enExample)
WO (1) WO2017192705A1 (enExample)

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
WO2017086746A1 (ko) 2015-11-19 2017-05-26 한국전자통신연구원 화면내 예측 모드 부호화/복호화 방법 및 장치
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
US11252420B2 (en) * 2017-12-15 2022-02-15 Lg Electronics Inc. Image coding method on basis of secondary transform and device therefor
RU2748907C1 (ru) * 2017-12-15 2021-06-01 ЭлДжи ЭЛЕКТРОНИКС ИНК. Способ кодирования изображения на основе неразделимого вторичного преобразования и устройство для него
EP4307676A3 (en) * 2017-12-21 2024-03-13 LG Electronics Inc. Method for coding image on basis of selective transform and device therefor
US10567801B2 (en) * 2018-03-07 2020-02-18 Tencent America LLC Method and apparatus for video coding with primary and secondary transforms
KR102492116B1 (ko) * 2018-03-07 2023-01-26 후아웨이 테크놀러지 컴퍼니 리미티드 다중 부호 비트 숨기기 및 잔차 부호 예측을 조화시키기 위한 방법 및 장치
US10491914B2 (en) * 2018-03-29 2019-11-26 Tencent America LLC Transform information prediction
KR20240040133A (ko) * 2018-04-01 2024-03-27 엘지전자 주식회사 분할된 블록에 2차 변환을 적용하여 비디오 신호를 처리하는 방법 및 장치
SI3764649T1 (sl) * 2018-04-01 2023-12-29 Lg Electronics Inc. Obdelava video signala z uporabo reducirne sekundarne transformacije
CA3141303A1 (en) * 2018-05-30 2019-12-05 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
KR20250111383A (ko) * 2018-06-06 2025-07-22 엘지전자 주식회사 인트라 예측 모드에 기초하여 변환 인덱스 코딩을 수행하는 방법 및 이를 위한 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
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
EP4210331A1 (en) * 2018-09-02 2023-07-12 LG Electronics Inc. Method and apparatus for processing image signal
WO2020046091A1 (ko) * 2018-09-02 2020-03-05 엘지전자 주식회사 다중 변환 선택에 기반한 영상 코딩 방법 및 그 장치
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
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
CN120091135B (zh) * 2018-11-21 2026-05-05 华为技术有限公司 帧内预测方法及设备
JP7200379B2 (ja) * 2018-12-06 2023-01-06 エルジー エレクトロニクス インコーポレイティド 二次変換に基づく映像コーディング方法、及びその装置
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
CN113287311B (zh) * 2018-12-22 2024-03-12 北京字节跳动网络技术有限公司 两步交叉分量预测模式的指示
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
KR20250029995A (ko) 2019-02-01 2025-03-05 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
CN113545044B (zh) * 2019-03-08 2025-06-13 北京字节跳动网络技术有限公司 视频处理中的整形模型
JP7416450B2 (ja) * 2019-03-11 2024-01-17 テンセント・アメリカ・エルエルシー インターｐｄｐｃモードの改善
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
AU2020247645B2 (en) * 2019-03-26 2023-10-12 Beijing Xiaomi Mobile Software Co., Ltd. Transform-based image coding method and device therefor
US11172211B2 (en) * 2019-04-04 2021-11-09 Tencent America LLC Method and apparatus for video coding
CN113748680B (zh) * 2019-04-16 2024-01-02 寰发股份有限公司 视频编解码系统中编解码视频数据的方法及装置
CN114223207B (zh) 2019-04-16 2023-09-22 寰发股份有限公司 用次要变换编解码视讯数据的方法以及装置
WO2020216303A1 (en) * 2019-04-23 2020-10-29 Beijing Bytedance Network Technology Co., Ltd. Selective use of secondary transform in coded video
CN117579841A (zh) 2019-04-23 2024-02-20 北京字节跳动网络技术有限公司 降低跨分量依赖性的方法
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
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
CN118381939A (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
CN113940074B (zh) * 2019-05-27 2024-12-17 北京小米移动软件有限公司 基于广角帧内预测和变换的图像编码方法和装置
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
MX2021016155A (es) 2019-06-19 2022-02-22 Lg Electronics Inc Codificacion de informacion sobre un conjunto de nucleos de transformacion.
PL3989581T3 (pl) * 2019-06-19 2025-09-29 Lg Electronics Inc. Sygnalizowanie informacji wskazujących zestaw jąder przekształcenia w kodowaniu obrazu
KR102831659B1 (ko) * 2019-06-19 2025-07-08 엘지전자 주식회사 영상 코딩 시스템에서 변환 커널 세트에 관한 정보에 대한 컨텍스트 코딩
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
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
CN115941976A (zh) * 2019-06-25 2023-04-07 三星电子株式会社 使用二次变换的视频信号处理方法及装置
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
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
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
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
KR20250162958A (ko) * 2019-09-20 2025-11-19 엘지전자 주식회사 변환에 기반한 영상 코딩 방법 및 그 장치
EP4032306A1 (en) 2019-09-20 2022-07-27 Nokia Technologies Oy An apparatus, a method and a computer program for video coding and decoding
CN116418982A (zh) * 2019-10-04 2023-07-11 Lg电子株式会社 图像编码方法、图像解码方法及其存储介质和发送方法
US12244862B2 (en) 2019-10-08 2025-03-04 Lg Electronics Inc. Transform-based image coding method and device therefor
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
CN114788278B (zh) * 2019-12-08 2025-10-24 抖音视界(北京)有限公司 使用多个分量的跨分量预测
CN115088017B (zh) * 2020-01-08 2025-08-19 苹果公司 点云的树内几何量化
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
GB2627130A (en) * 2021-12-09 2024-08-14 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
US8428133B2 (en) * 2007-06-15 2013-04-23 Qualcomm Incorporated Adaptive coding of video block prediction mode
US8483285B2 (en) * 2008-10-03 2013-07-09 Qualcomm Incorporated Video coding using transforms bigger than 4×4 and 8×8
KR101502495B1 (ko) * 2010-04-13 2015-03-13 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 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
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
RS64604B1 (sr) * 2011-06-16 2023-10-31 Ge Video Compression Llc Entropijsko kodiranje razlika vektora kretanja
US9661326B2 (en) * 2011-06-28 2017-05-23 Samsung Electronics Co., Ltd. Method and apparatus for entropy encoding/decoding
SI2884749T1 (en) * 2011-06-28 2018-03-30 Samsung Electronics Co., Ltd. A device for decoding video together with arithmetic decoding and two dimensional signaling of the last significant coefficient
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
WO2013012819A2 (en) * 2011-07-15 2013-01-24 General Instrument Corporation Context modeling techniques for transform coefficient level coding
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
US9264706B2 (en) * 2012-04-11 2016-02-16 Qualcomm Incorporated Bypass bins for reference index coding in video coding
US9538172B2 (en) 2012-04-11 2017-01-03 Qualcomm Incorporated Grouping bypass coded syntax elements 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
US10939105B2 (en) * 2016-03-25 2021-03-02 Panasonic Intellectual Property Management Co., Ltd. Methods and apparatuses for encoding and decoding video using signal dependent adaptive quantization
US10708164B2 (en) 2016-05-03 2020-07-07 Qualcomm Incorporated Binarizing secondary transform index

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