JP7055879B2 - ビデオ信号の符号化/復号方法及びそのための装置 - Google Patents
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Description
サンプルは、一般的に、ピクセルまたはピクセルの値を示すこともあり、輝度(luma)成分のピクセル/ピクセル値のみを示すこともあり、彩度(chroma)成分のピクセル/ピクセル値のみを示すこともできる。サンプルは、一つのピクチャ(または映像)をピクセル(pixel)またはペル(pel)に対応する用語として用いられる。
Claims (9)
- ビデオ信号を復号化する方法において、
現在ブロックのイントラ予測モードに基づき、予め定義された2次変換セット(secondary transform sets)のうち、前記現在ブロックに適用される2次変換セットを決定するステップと、
2次変換行列(secondary transform matrix)が前記決定された2次変換セット内の前記現在ブロックに適用される2次変換行列(secondary transform matrix)を特定する第1のシンタックス要素を取得するステップと、
前記第1のシンタックス要素により特定される前記2次変換行列に基づき、前記現在ブロックの左上端領域に対して2次逆変換を行うことにより、2次逆変換されたブロックを導くステップと、
前記現在ブロックの1次変換行列(primary transform matrix)に基づき、前記2次逆変換されたブロックに対して1次逆変換を行うことにより、前記現在ブロックの残差ブロックを導くステップと、を含み、
前記2次逆変換された入力長さが、前記現在ブロックの幅及び高さが4であることに基づき、8と決定され、前記2次逆変換の前記入力長さは、前記現在ブロックの幅と高さが8であることに基づき、8と決定される、ビデオ信号復号化方法。 - 前記予め定義された2次変換セットのそれぞれは、2個の2次変換行列を含む、請求項1に記載のビデオ信号復号化方法。
- 前記現在ブロックの前記残差ブロックを導出するため適用される1次変換行列を示す第2のシンタックス要素をパーシングするステップと、
前記第2のシンタックス要素に基づいて前記現在ブロックに2次変換が適用され得るか否かを決定するステップと、
をさらに含む、請求項1に記載のビデオ信号復号化方法。 - 前記2次変換が適用され得るか否かを決定するステップは、
前記第2のシンタックス要素が予め定義された特定変換タイプに対する情報を含むことに基づき、前記現在ブロックに2次変換が適用され得ると決定することにより行われる、請求項3に記載のビデオ信号復号化方法。 - 前記予め定義された特定変換タイプは、DCT2と定義される、請求項4に記載のビデオ信号復号化方法。
- ビデオ信号を符号化する方法において、
イントラ予測モードに基づいて現在ブロックの予測ブロックを取得するステップと、
前記予測ブロックに基づいて前記現在ブロックの残差ブロックを生成するステップと、
1次変換ブロックを取得するために、前記残差ブロックについての1次変換を実行するステップと、
前記1次変換されたブロックの左上端領域について2次変換を実行するステップとを含み、
前記2次変換を実行するステップは、
現在ブロックの前記イントラ予測モードに基づき、予め定義された2次変換セット(secondary transform sets)のうち、前記現在ブロックに適用される2次変換セットを決定するステップと、
前記決定された2次変換セット内の前記1次変換ブロックに2次変換行列が適用されることを特定する第1のシンタックス要素を生成するステップと、
前記第1のシンタックス要素により特定される前記2次変換行列(secondary transform matrix)に基づいて、前記2次変換を実行することにより2次変換ブロックを取得するステップとを含み、
前記2次変換の出力長さは、前記現在ブロックの幅及び高さが4であることに基づき、8と決定され、前記2次変換の前記出力長さは、前記現在ブロックの幅と高さが8であることに基づき、8と決定される、ビデオ信号符号化方法。 - 前記予め定義された2次変換セットのそれぞれは、2個の2次変換行列を含む、請求項6に記載のビデオ信号符号化方法。
- 前記現在ブロックの前記残差ブロックを導出するため適用される1次変換行列を示す第2のシンタックス要素を生成するステップと、
前記第2のシンタックス要素に基づいて前記1次変換されたブロックに前記2次変換を適用するか否かを決定するステップと、を含む、請求項6に記載のビデオ信号符号化方法。 - 前記2次変換を適用するか否かを決定するステップは、前記第2のシンタックス要素が予め定義された特定変換タイプに対する情報を含むことに基づき、前記1次変換されたブロックに前記2次変換を適用すると決定することにより行われ、
前記予め定義された特定変換タイプは、DCT2と定義される、請求項8に記載のビデオ信号符号化方法。
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Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11350118B2 (en) | 2018-05-30 | 2022-05-31 | Digitalinsights Inc. | Image encoding/decoding method and device |
WO2020050665A1 (ko) | 2018-09-05 | 2020-03-12 | 엘지전자 주식회사 | 비디오 신호의 부호화/복호화 방법 및 이를 위한 장치 |
WO2020116961A1 (ko) * | 2018-12-06 | 2020-06-11 | 엘지전자 주식회사 | 이차 변환에 기반한 영상 코딩 방법 및 그 장치 |
FI3879835T3 (fi) | 2018-12-19 | 2023-09-01 | Lg Electronics Inc | Sekundääriseen muunnokseen perustuva videonkoodausmenetelmä sekä sitä varten tarkoitettu laite |
WO2020228673A1 (en) | 2019-05-10 | 2020-11-19 | Beijing Bytedance Network Technology Co., Ltd. | Conditional use of reduced secondary transform for video processing |
EP3967032A4 (en) | 2019-06-07 | 2022-07-27 | Beijing Bytedance Network Technology Co., Ltd. | CONDITIONAL SIGNALING OF A REDUCED SECONDARY TRANSFORM FOR VIDEO BIANARY FLOWS |
CN114208183A (zh) | 2019-08-03 | 2022-03-18 | 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 |
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 |
US11457229B2 (en) * | 2019-12-23 | 2022-09-27 | Qualcomm Incorporated | LFNST signaling for chroma based on chroma transform skip |
US11582491B2 (en) * | 2020-03-27 | 2023-02-14 | Qualcomm Incorporated | Low-frequency non-separable transform processing in video coding |
KR20240010480A (ko) * | 2021-06-16 | 2024-01-23 | 엘지전자 주식회사 | 저주파 비분리 변환 설계 방법 및 장치 |
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017058614A1 (en) | 2015-09-29 | 2017-04-06 | Qualcomm Incorporated | Non-separable secondary transform for video coding |
WO2018070788A1 (ko) | 2016-10-14 | 2018-04-19 | 세종대학교 산학협력단 | 영상 부호화 방법/장치, 영상 복호화 방법/장치 및 비트스트림을 저장한 기록 매체 |
WO2018128323A1 (ko) | 2017-01-03 | 2018-07-12 | 엘지전자(주) | 이차 변환을 이용한 비디오 신호의 인코딩/디코딩 방법 및 장치 |
Family Cites Families (78)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05308622A (ja) * | 1992-04-28 | 1993-11-19 | Mitsubishi Electric Corp | 画像符号化・復号化装置 |
US6266370B1 (en) * | 1996-09-03 | 2001-07-24 | Nippon Telegraph And Telephone Corporation | Brightness-variation compensation method and coding/decoding apparatus for moving pictures |
KR100281099B1 (ko) * | 1997-07-30 | 2001-04-02 | 구자홍 | 동영상의부호화에따른블록화현상제거방법 |
US7239755B1 (en) * | 1997-07-30 | 2007-07-03 | Lg Electronics Inc. | Method of reducing a blocking artifact when coding moving picture |
US6295320B1 (en) * | 1997-12-31 | 2001-09-25 | Lg Electronics Inc. | Inverse discrete cosine transforming system for digital television receiver |
US6263021B1 (en) * | 1998-09-18 | 2001-07-17 | Sarnoff Corporation | Treating non-zero quantized transform coefficients as zeros during video compression processing |
AUPQ668500A0 (en) * | 2000-04-04 | 2000-05-04 | Canon Kabushiki Kaisha | Accessing items of information |
KR100561398B1 (ko) * | 2003-06-10 | 2006-03-16 | 삼성전자주식회사 | 동화상 내 구획별로 휘도 변화를 검출하고 보상하는 장치 및 방법 |
KR100565308B1 (ko) * | 2003-11-24 | 2006-03-30 | 엘지전자 주식회사 | 에스엔알 스케일러빌리티를 위한 동영상 부호화 및 복호화 장치 |
US20050281332A1 (en) * | 2004-06-22 | 2005-12-22 | Wai-Ming Lai | Transform coefficient decoding |
WO2006048849A1 (en) * | 2004-11-08 | 2006-05-11 | Koninklijke Philips Electronics N.V. | Bit detection for multitrack digital data storage |
US7720299B2 (en) * | 2005-05-10 | 2010-05-18 | The Aerospace Corporation | Compressed data multiple description transmission and resolution conversion system |
JP4856954B2 (ja) * | 2005-06-08 | 2012-01-18 | パナソニック株式会社 | 画像符号化装置 |
WO2007083931A1 (en) * | 2006-01-18 | 2007-07-26 | Lg Electronics Inc. | Apparatus and method for encoding and decoding signal |
CN101137065A (zh) * | 2006-09-01 | 2008-03-05 | 华为技术有限公司 | 图像编码方法、解码方法、编码器、解码器、编解码方法及编解码器 |
US20080071846A1 (en) * | 2006-09-14 | 2008-03-20 | Texas Instruments Incorporated | Processor Architecture for Programmable Digital Filters in a Multi-Standard Integrated Circuit |
JP4806464B2 (ja) * | 2007-03-29 | 2011-11-02 | 富士通株式会社 | 画像圧縮装置、画像圧縮方法、画像復元装置、及びプログラム |
JP2010528555A (ja) * | 2007-05-29 | 2010-08-19 | エルジー エレクトロニクス インコーポレイティド | ビデオ信号の処理方法および装置 |
EP2210421A4 (en) * | 2007-10-16 | 2013-12-04 | Lg Electronics Inc | METHOD AND APPARATUS FOR PROCESSING A VIDEO SIGNAL |
US8576914B2 (en) * | 2011-01-10 | 2013-11-05 | Cisco Technology, Inc. | Integer transform video compression system, method and computer program product |
US20110116539A1 (en) * | 2009-11-13 | 2011-05-19 | Freescale Semiconductor, Inc. | Method and apparatus for video decoding with reduced complexity inverse transform |
US9288495B2 (en) * | 2009-11-24 | 2016-03-15 | Sk Telecom Co., Ltd. | Adaptive secondary prediction-based image encoding/decoding method, device and recording medium |
US9172968B2 (en) * | 2010-07-09 | 2015-10-27 | Qualcomm Incorporated | Video coding using directional transforms |
US9378185B2 (en) * | 2010-09-30 | 2016-06-28 | Texas Instruments Incorporated | Transform and quantization architecture for video coding and decoding |
KR20120034044A (ko) * | 2010-09-30 | 2012-04-09 | 한국전자통신연구원 | 영상 변환 부호화/복호화 방법 및 장치 |
WO2012070866A2 (ko) * | 2010-11-24 | 2012-05-31 | 엘지전자 주식회사 | 스피치 시그널 부호화 방법 및 복호화 방법 |
JP5552092B2 (ja) * | 2011-06-13 | 2014-07-16 | 日本電信電話株式会社 | 動画像符号化装置、動画像符号化方法及び動画像符号化プログラム |
US9496886B2 (en) * | 2011-06-16 | 2016-11-15 | Spatial Digital Systems, Inc. | System for processing data streams |
US20130003856A1 (en) * | 2011-07-01 | 2013-01-03 | Samsung Electronics Co. Ltd. | Mode-dependent transforms for residual coding with low latency |
US9338463B2 (en) * | 2011-10-06 | 2016-05-10 | Synopsys, Inc. | Visual quality measure for real-time video processing |
KR102030718B1 (ko) * | 2011-10-18 | 2019-10-10 | 주식회사 케이티 | 영상 부호화 방법, 영상 복호화 방법, 영상 부호화기 및 영상 복호화기 |
CN103907348A (zh) * | 2011-10-31 | 2014-07-02 | 三菱电机株式会社 | 运动图像编码装置、运动图像解码装置、运动图像编码方法以及运动图像解码方法 |
JP2013168931A (ja) * | 2012-01-18 | 2013-08-29 | Jvc Kenwood Corp | 画像符号化装置、画像符号化方法及び画像符号化プログラム |
JP2013168932A (ja) * | 2012-01-18 | 2013-08-29 | Jvc Kenwood Corp | 画像復号装置、画像復号方法及び画像復号プログラム |
JP5930441B2 (ja) * | 2012-02-14 | 2016-06-08 | ホアウェイ・テクノロジーズ・カンパニー・リミテッド | マルチチャネルオーディオ信号の適応ダウン及びアップミキシングを実行するための方法及び装置 |
US9894386B2 (en) * | 2012-04-12 | 2018-02-13 | Goldpeak Innovations Inc. | Transform method based on block information, and apparatus using said method |
US9736497B2 (en) * | 2012-07-10 | 2017-08-15 | Sharp Kabushiki Kaisha | Prediction vector generation device, image encoding device, image decoding device, prediction vector generation method, and program |
US9344742B2 (en) * | 2012-08-10 | 2016-05-17 | Google Inc. | Transform-domain intra prediction |
US9319684B2 (en) * | 2012-08-21 | 2016-04-19 | Qualcomm Incorporated | Alternative transform in scalable video coding |
US9177415B2 (en) * | 2013-01-30 | 2015-11-03 | Arm Limited | Methods of and apparatus for encoding and decoding data |
JP5692260B2 (ja) * | 2013-03-06 | 2015-04-01 | 株式会社Jvcケンウッド | 動画像復号装置、動画像復号方法、動画像復号プログラム、受信装置、受信方法、及び受信プログラム |
AU2013206815A1 (en) * | 2013-07-11 | 2015-03-05 | Canon Kabushiki Kaisha | Method, apparatus and system for encoding and decoding video data |
US10313682B2 (en) * | 2013-08-26 | 2019-06-04 | Qualcomm Incorporated | Determining regions when performing intra block copying |
EP3061253A1 (en) * | 2013-10-25 | 2016-08-31 | Microsoft Technology Licensing, LLC | Hash-based block matching in video and image coding |
EP3061233B1 (en) * | 2013-10-25 | 2019-12-11 | Microsoft Technology Licensing, LLC | Representing blocks with hash values in video and image coding and decoding |
TWI551124B (zh) * | 2014-07-11 | 2016-09-21 | 晨星半導體股份有限公司 | 應用於視訊系統之編碼/解碼方法及編碼/解碼裝置 |
US20160044314A1 (en) * | 2014-08-08 | 2016-02-11 | Qualcomm Incorporated | System and method for reusing transform structure for multi-partition transform |
CN105516730B (zh) * | 2014-09-24 | 2018-04-24 | 晨星半导体股份有限公司 | 视讯编码装置及视讯解码装置以及其编码与解码方法 |
CN107211146A (zh) * | 2014-11-21 | 2017-09-26 | Vid拓展公司 | 一维变换模式和系数扫描顺序 |
JP2015111910A (ja) * | 2015-01-30 | 2015-06-18 | 株式会社Jvcケンウッド | 動画像復号装置、動画像復号方法、動画像復号プログラム、受信装置、受信方法、及び受信プログラム |
RU2596751C1 (ru) | 2015-05-07 | 2016-09-10 | Общество с ограниченной ответственностью "НПО БиоМикроГели" | Вещество для очистки почвы и твердых поверхностей от масел, в том числе от нефти и нефтепродуктов, и способ его использования (варианты) |
US10520916B1 (en) * | 2015-06-01 | 2019-12-31 | Richard A Gros & Associates, Inc. | Control systems |
US10554968B2 (en) * | 2015-06-10 | 2020-02-04 | Lg Electronics Inc. | Method and apparatus for inter prediction on basis of virtual reference picture in video coding system |
US20170034530A1 (en) * | 2015-07-28 | 2017-02-02 | Microsoft Technology Licensing, Llc | Reduced size inverse transform for decoding and encoding |
EP3629581A1 (en) * | 2015-10-13 | 2020-04-01 | Samsung Electronics Co., Ltd. | Method and device for encoding or decoding image |
EP3367680B1 (en) * | 2015-10-22 | 2020-07-01 | LG Electronics Inc. | Intra-prediction method and apparatus in video coding system |
JP6837984B2 (ja) * | 2015-10-23 | 2021-03-03 | 徹幸 平畑 | 遺伝子治療用組成物 |
US9721582B1 (en) * | 2016-02-03 | 2017-08-01 | Google Inc. | Globally optimized least-squares post-filtering for speech enhancement |
US9998746B2 (en) * | 2016-02-10 | 2018-06-12 | Amazon Technologies, Inc. | Video decoder memory optimization |
US10448053B2 (en) * | 2016-02-15 | 2019-10-15 | Qualcomm Incorporated | Multi-pass non-separable transforms for video coding |
WO2017173593A1 (en) * | 2016-04-06 | 2017-10-12 | Mediatek Singapore Pte. Ltd. | Separate coding secondary transform syntax elements for different color components |
US10708164B2 (en) * | 2016-05-03 | 2020-07-07 | Qualcomm Incorporated | Binarizing secondary transform index |
CN109076243B (zh) * | 2016-05-04 | 2022-01-25 | 夏普株式会社 | 用于对变换数据进行编码的系统和方法 |
US10887626B2 (en) * | 2016-05-13 | 2021-01-05 | Sharp Kabushiki Kaisha | Image decoding device and image encoding device |
CN109792515B (zh) * | 2016-08-01 | 2023-10-24 | 韩国电子通信研究院 | 图像编码/解码方法和装置以及存储比特流的记录介质 |
WO2018038554A1 (ko) * | 2016-08-24 | 2018-03-01 | 엘지전자(주) | 이차 변환을 이용한 비디오 신호의 인코딩/디코딩 방법 및 장치 |
WO2018049594A1 (en) * | 2016-09-14 | 2018-03-22 | Mediatek Inc. | Methods of encoder decision for quad-tree plus binary tree structure |
EP3301643A1 (en) * | 2016-09-30 | 2018-04-04 | Thomson Licensing | Method and apparatus for rectified motion compensation for omnidirectional videos |
US11095893B2 (en) * | 2016-10-12 | 2021-08-17 | Qualcomm Incorporated | Primary transform and secondary transform in video coding |
KR102416804B1 (ko) * | 2016-10-14 | 2022-07-05 | 세종대학교산학협력단 | 영상 부호화 방법/장치, 영상 복호화 방법/장치 및 비트스트림을 저장한 기록 매체 |
US10666937B2 (en) * | 2016-12-21 | 2020-05-26 | Qualcomm Incorporated | Low-complexity sign prediction for video coding |
WO2018119609A1 (zh) * | 2016-12-26 | 2018-07-05 | 华为技术有限公司 | 一种基于模板匹配的编解码方法及装置 |
KR20180085526A (ko) * | 2017-01-19 | 2018-07-27 | 가온미디어 주식회사 | 효율적 변환을 처리하는 영상 복호화 및 부호화 방법 |
GB2564150A (en) * | 2017-07-05 | 2019-01-09 | Sony Corp | Image data encoding and decoding |
CN107784293B (zh) * | 2017-11-13 | 2018-08-28 | 中国矿业大学(北京) | 一种基于全局特征和稀疏表示分类的人体行为识别方法 |
US10812797B2 (en) * | 2018-02-05 | 2020-10-20 | Tencent America LLC | Method, apparatus and medium for decoding or encoding using a low-complexity transform |
KR102030384B1 (ko) * | 2018-06-19 | 2019-11-08 | 광운대학교 산학협력단 | 잔차 계수 부호화/복호화 방법 및 장치 |
WO2020050665A1 (ko) * | 2018-09-05 | 2020-03-12 | 엘지전자 주식회사 | 비디오 신호의 부호화/복호화 방법 및 이를 위한 장치 |
-
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-
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-
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017058614A1 (en) | 2015-09-29 | 2017-04-06 | Qualcomm Incorporated | Non-separable secondary transform for video coding |
WO2018070788A1 (ko) | 2016-10-14 | 2018-04-19 | 세종대학교 산학협력단 | 영상 부호화 방법/장치, 영상 복호화 방법/장치 및 비트스트림을 저장한 기록 매체 |
WO2018128323A1 (ko) | 2017-01-03 | 2018-07-12 | 엘지전자(주) | 이차 변환을 이용한 비디오 신호의 인코딩/디코딩 방법 및 장치 |
Non-Patent Citations (6)
Title |
---|
F. Urban, F. Le Leannec, and E. Francois,CE6.2 Secondary Transformation: NSST Signaling (test 6.2.1.1),Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11,JVET-K0271-v4,11th Meeting: Ljubljana, SI,2018年07月,pp.1-5 |
Jianle Chen et al.,Algorithm Description of Joint Exploration Test Model 7 (JEM 7),Joint Video Exploration Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11,JVET-G1001-v1,7th Meeting: Torino, IT,2017年08月,pp.28-32 |
Kiho Choi, Minsoo Park, and Chanyul Kim,CE6: NSST with modified NSST sets and signaling (Test2.3),Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11,JVET-K0174-v1,11th Meeting: Ljubljana, SI,2018年07月,pp.1-7 |
Mehdi Salehifar et al.,CE 6.2.6: Reduced Secondary Transform (RST),Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11,JVET-K0099,11th Meeting: Ljubljana, SI,2018年07月,pp.1-12 |
Moonmo Koo et al.,CE 6-2.1: Reduced Secondary Transform (RST),Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11,JVET-L0133,12th Meeting: Macao, CN,2018年09月,pp.1-7 |
Moonmo Koo et al.,CE6: Reduced Secondary Transform (RST) (test 6.5.1),Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11,JVET-M0292,13th Meeting: Marrakech, MA,2019年01月,pp.1-14 |
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