JP2020529766A5 - - Google Patents

Download PDF

Info

Publication number
JP2020529766A5
JP2020529766A5 JP2020504319A JP2020504319A JP2020529766A5 JP 2020529766 A5 JP2020529766 A5 JP 2020529766A5 JP 2020504319 A JP2020504319 A JP 2020504319A JP 2020504319 A JP2020504319 A JP 2020504319A JP 2020529766 A5 JP2020529766 A5 JP 2020529766A5
Authority
JP
Japan
Prior art keywords
current block
scanning
order
scanning order
conversion
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
JP2020504319A
Other languages
English (en)
Japanese (ja)
Other versions
JP7198268B2 (ja
JP2020529766A (ja
Filing date
Publication date
Application filed filed Critical
Priority claimed from PCT/KR2018/008714 external-priority patent/WO2019027241A1/ko
Publication of JP2020529766A publication Critical patent/JP2020529766A/ja
Publication of JP2020529766A5 publication Critical patent/JP2020529766A5/ja
Priority to JP2022165418A priority Critical patent/JP7434486B2/ja
Application granted granted Critical
Publication of JP7198268B2 publication Critical patent/JP7198268B2/ja
Priority to JP2024017116A priority patent/JP7763876B2/ja
Priority to JP2025135455A priority patent/JP2025156639A/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

JP2020504319A 2017-07-31 2018-07-31 画像復号化方法、画像符号化方法及びコンピュータ可読記録媒体 Active JP7198268B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2022165418A JP7434486B2 (ja) 2017-07-31 2022-10-14 画像復号化方法、画像符号化方法及びコンピュータ可読記録媒体
JP2024017116A JP7763876B2 (ja) 2017-07-31 2024-02-07 画像復号化方法、画像符号化方法、伝送方法及びコンピュータ可読記録媒体
JP2025135455A JP2025156639A (ja) 2017-07-31 2025-08-15 画像復号化方法、画像符号化方法、伝送方法及びコンピュータ可読記録媒体

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR20170096656 2017-07-31
KR10-2017-0096656 2017-07-31
PCT/KR2018/008714 WO2019027241A1 (ko) 2017-07-31 2018-07-31 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2022165418A Division JP7434486B2 (ja) 2017-07-31 2022-10-14 画像復号化方法、画像符号化方法及びコンピュータ可読記録媒体

Publications (3)

Publication Number Publication Date
JP2020529766A JP2020529766A (ja) 2020-10-08
JP2020529766A5 true JP2020529766A5 (https=) 2020-11-19
JP7198268B2 JP7198268B2 (ja) 2022-12-28

Family

ID=65234039

Family Applications (4)

Application Number Title Priority Date Filing Date
JP2020504319A Active JP7198268B2 (ja) 2017-07-31 2018-07-31 画像復号化方法、画像符号化方法及びコンピュータ可読記録媒体
JP2022165418A Active JP7434486B2 (ja) 2017-07-31 2022-10-14 画像復号化方法、画像符号化方法及びコンピュータ可読記録媒体
JP2024017116A Active JP7763876B2 (ja) 2017-07-31 2024-02-07 画像復号化方法、画像符号化方法、伝送方法及びコンピュータ可読記録媒体
JP2025135455A Pending JP2025156639A (ja) 2017-07-31 2025-08-15 画像復号化方法、画像符号化方法、伝送方法及びコンピュータ可読記録媒体

Family Applications After (3)

Application Number Title Priority Date Filing Date
JP2022165418A Active JP7434486B2 (ja) 2017-07-31 2022-10-14 画像復号化方法、画像符号化方法及びコンピュータ可読記録媒体
JP2024017116A Active JP7763876B2 (ja) 2017-07-31 2024-02-07 画像復号化方法、画像符号化方法、伝送方法及びコンピュータ可読記録媒体
JP2025135455A Pending JP2025156639A (ja) 2017-07-31 2025-08-15 画像復号化方法、画像符号化方法、伝送方法及びコンピュータ可読記録媒体

Country Status (5)

Country Link
US (2) US11805256B2 (https=)
JP (4) JP7198268B2 (https=)
KR (4) KR102450506B1 (https=)
CN (6) CN115460403A (https=)
WO (1) WO2019027241A1 (https=)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US11350118B2 (en) 2018-05-30 2022-05-31 Digitalinsights Inc. Image encoding/decoding method and device
KR102030384B1 (ko) 2018-06-19 2019-11-08 광운대학교 산학협력단 잔차 계수 부호화/복호화 방법 및 장치
CN119743599A (zh) * 2018-06-11 2025-04-01 韩华视觉株式会社 用于对图像进行解码和编码的方法以及非暂态计算机可读介质
CN112640470A (zh) 2018-09-03 2021-04-09 华为技术有限公司 视频编码器、视频解码器及对应方法
IL312227B2 (en) * 2018-09-21 2026-04-01 Interdigital Vc Holdings Inc Scalar quantizer decision diagram for dependent scalar quantization
KR102795463B1 (ko) * 2018-09-24 2025-04-15 프라운호퍼-게젤샤프트 추르 푀르데룽 데어 안제반텐 포르슝 에 파우 종속 스칼라 양자화를 사용하거나 이와 조합하는 데에 적합한 변환 계수의 효율적인 코딩
GB2578769B (en) 2018-11-07 2022-07-20 Advanced Risc Mach Ltd Data processing systems
EP3664449A1 (en) * 2018-12-05 2020-06-10 InterDigital VC Holdings, Inc. Method and device for picture encoding and decoding
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
US11523128B2 (en) * 2018-12-27 2022-12-06 Lg Electronics Inc. Video decoding method and apparatus using residual rearrangement in video coding system
KR20250069986A (ko) * 2019-01-01 2025-05-20 엘지전자 주식회사 이차 변환에 기반한 영상 코딩 방법 및 그 장치
WO2020156515A1 (en) * 2019-01-31 2020-08-06 Beijing Bytedance Network Technology Co., Ltd. Refined quantization steps in video coding
GB2583061B (en) * 2019-02-12 2023-03-15 Advanced Risc Mach Ltd Data processing systems
CN113632493B (zh) * 2019-03-13 2024-07-12 北京字节跳动网络技术有限公司 变换跳过模式中的子块变换
US11956427B2 (en) 2019-03-21 2024-04-09 Sk Telecom Co., Ltd. Method of restoration in subblock units, and video decoding apparatus
CN120017845A (zh) * 2019-04-15 2025-05-16 Lg 电子株式会社 基于缩放列表数据的信令的视频或图像编译
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
KR102809767B1 (ko) 2019-06-19 2025-05-16 엘지전자 주식회사 변환에 기반한 영상 코딩 방법 및 그 장치
CN114679917B9 (zh) 2019-06-24 2025-07-08 阿里巴巴集团控股有限公司 视频数据的变换跳过残差编码
KR102745245B1 (ko) 2019-06-25 2024-12-23 삼성전자주식회사 2차 변환을 이용하는 비디오 신호 처리 방법 및 장치
US11496774B2 (en) * 2019-08-27 2022-11-08 Tencent America LLC Header syntax for QT/BT/TT size
WO2021040486A1 (ko) * 2019-08-31 2021-03-04 엘지전자 주식회사 영상 디코딩 방법 및 그 장치
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
CN116193119B (zh) * 2020-09-27 2026-02-06 腾讯科技（深圳）有限公司 视频编解码方法、装置及设备
EP4124036A4 (en) 2020-09-27 2023-11-22 Tencent Technology (Shenzhen) Company Limited Video coding/decoding method, apparatus, and device
CN116095329A (zh) * 2021-02-21 2023-05-09 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
CN119893123B (zh) * 2021-03-12 2026-03-24 Oppo广东移动通信有限公司 系数编解码方法、编解码设备及存储介质

Family Cites Families (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6711211B1 (en) 2000-05-08 2004-03-23 Nokia Mobile Phones Ltd. Method for encoding and decoding video information, a motion compensated video encoder and a corresponding decoder
EP2733952A1 (en) 2005-10-21 2014-05-21 Electronics and Telecommunications Research Institute Method for encoding moving picture using adaptive scanning
KR100882949B1 (ko) 2006-08-17 2009-02-10 한국전자통신연구원 화소 유사성에 따라 적응적인 이산 코사인 변환 계수스캐닝을 이용한 부호화/복호화 장치 및 그 방법
EP2182732A1 (en) 2008-10-28 2010-05-05 Panasonic Corporation Switching between scans in image coding
KR101672456B1 (ko) 2009-02-09 2016-11-17 삼성전자 주식회사 저복잡도 주파수 변환을 이용한 비디오 부호화 방법과 그 장치, 및 비디오 복호화 방법과 그 장치
CN102447895B (zh) 2010-09-30 2013-10-02 华为技术有限公司 扫描方法及装置、反扫描方法及装置
US9288496B2 (en) * 2010-12-03 2016-03-15 Qualcomm Incorporated Video coding using function-based scan order for transform coefficients
US10992958B2 (en) 2010-12-29 2021-04-27 Qualcomm Incorporated Video coding using mapped transforms and scanning modes
WO2012096539A2 (ko) * 2011-01-13 2012-07-19 삼성전자 주식회사 선택적 스캔 모드를 이용하는 비디오 부호화 방법 및 그 장치, 비디오 복호화 방법 및 그 장치
US9106913B2 (en) * 2011-03-08 2015-08-11 Qualcomm Incorporated Coding of transform coefficients for video coding
US9894353B2 (en) * 2011-06-13 2018-02-13 Sun Patent Trust Method and apparatus for encoding and decoding video using intra prediction mode dependent adaptive quantization matrix
KR20120140366A (ko) * 2011-06-21 2012-12-31 광운대학교 산학협력단 휘도 성분의 문맥을 이용하는 적응적 색차 성분 스캐닝 순서 결정 방법 및 장치
GB2492333B (en) * 2011-06-27 2018-12-12 British Broadcasting Corp Video encoding and decoding using transforms
US9491469B2 (en) * 2011-06-28 2016-11-08 Qualcomm Incorporated Coding of last significant transform coefficient
US9445093B2 (en) * 2011-06-29 2016-09-13 Qualcomm Incorporated Multiple zone scanning order for video coding
US20130003837A1 (en) 2011-06-29 2013-01-03 General Instrument Corporation Methods and system for using a scan coding pattern during intra coding
US9392301B2 (en) * 2011-07-01 2016-07-12 Qualcomm Incorporated Context adaptive entropy coding for non-square blocks in video coding
US9807426B2 (en) * 2011-07-01 2017-10-31 Qualcomm Incorporated Applying non-square transforms to video data
US9756360B2 (en) * 2011-07-19 2017-09-05 Qualcomm Incorporated Coefficient scanning in video coding
KR101533720B1 (ko) * 2011-10-17 2015-07-03 주식회사 케이티 영상 부호화/복호화 방법 및 그 장치
US20130114692A1 (en) * 2011-11-04 2013-05-09 Texas Instruments Incorporated Simplified Coefficient Scans for Non-Square Transforms (NSQT) in Video Coding
US10390046B2 (en) * 2011-11-07 2019-08-20 Qualcomm Incorporated Coding significant coefficient information in transform skip mode
JP6120490B2 (ja) * 2011-11-07 2017-04-26 キヤノン株式会社 画像符号化装置、画像符号化方法及びプログラム、画像復号装置、画像復号方法及びプログラム
GB2561782B (en) * 2011-11-08 2019-01-16 Kt Corp Method and apparatus for encoding image, and method and apparatus for decoding image
US9565431B2 (en) * 2012-04-04 2017-02-07 Qualcomm Incorporated Low-delay video buffering in video coding
US10873761B2 (en) * 2012-04-13 2020-12-22 Canon Kabushiki Kaisha Method, apparatus and system for encoding and decoding a subset of transform units of encoded video data
US9491463B2 (en) * 2012-04-14 2016-11-08 Qualcomm Incorporated Group flag in transform coefficient coding for video coding
US9621921B2 (en) * 2012-04-16 2017-04-11 Qualcomm Incorporated Coefficient groups and coefficient coding for coefficient scans
US9313498B2 (en) * 2012-04-16 2016-04-12 Qualcomm Incorporated Sign hiding techniques for quantized transform coefficients in video coding
GB2501535A (en) * 2012-04-26 2013-10-30 Sony Corp Chrominance Processing in High Efficiency Video Codecs
WO2013181821A1 (en) * 2012-06-07 2013-12-12 Mediatek Singapore Pte. Ltd. Improved intra transform skip mode
CN109905710B (zh) * 2012-06-12 2021-12-21 太阳专利托管公司 动态图像编码方法及装置、动态图像解码方法及装置
US20140003530A1 (en) * 2012-06-28 2014-01-02 Qualcomm Incorporated Sign hiding techniques for quantized transform coefficients in video coding
CN108632611A (zh) * 2012-06-29 2018-10-09 韩国电子通信研究院 视频解码方法、视频编码方法和计算机可读介质
US9538175B2 (en) * 2012-09-26 2017-01-03 Qualcomm Incorporated Context derivation for context-adaptive, multi-level significance coding
WO2014053428A1 (en) * 2012-10-01 2014-04-10 Telefonaktiebolaget L M Ericsson (Publ) Coding and decoding of transform skipped blocks
US20150312571A1 (en) * 2012-11-29 2015-10-29 Lg Electronics Inc. Method and device for encoding/ decoding image supporting plurality of layers
US11323747B2 (en) * 2013-06-05 2022-05-03 Qualcomm Incorporated Residual differential pulse code modulation (DPCM) extensions and harmonization with transform skip, rotation, and scans
US9445132B2 (en) * 2013-09-09 2016-09-13 Qualcomm Incorporated Two level last significant coefficient (LSC) position coding
US10200711B2 (en) * 2015-03-27 2019-02-05 Qualcomm Incorporated Motion vector derivation in video coding
US10491922B2 (en) * 2015-09-29 2019-11-26 Qualcomm Incorporated Non-separable secondary transform for video coding
US20190068989A1 (en) * 2016-02-25 2019-02-28 Kt Corporation Video signal processing method and device
CN116506601B (zh) * 2016-03-11 2026-03-13 数字洞察力有限公司 视频编码方法以及装置
EP3435673A4 (en) * 2016-03-24 2019-12-25 Intellectual Discovery Co., Ltd. METHOD AND DEVICE FOR CODING / DECODING A VIDEO SIGNAL
EP3968634A1 (en) * 2016-04-26 2022-03-16 Intellectual Discovery Co., Ltd. Method and device for encoding/decoding image
EP4568242A1 (en) 2016-05-13 2025-06-11 Sony Group Corporation Image processing apparatus and method
ES3030533T3 (en) * 2018-06-03 2025-06-30 Lg Electronics Inc Method and device for processing video signal by using reduced transform
CN114679917B9 (zh) * 2019-06-24 2025-07-08 阿里巴巴集团控股有限公司 视频数据的变换跳过残差编码

Similar Documents

Publication Publication Date Title
JP2020529766A5 (https=)
JP5133135B2 (ja) インターカラー補償を利用した映像の符号化方法及び装置、復号化方法及び装置
RU2019131771A (ru) Устройство кодирования изображения, способ кодирования изображения и программа и устройство декодирования изображения, способ декодирования изображения и программа
JP2017201812A5 (https=)
RU2021114893A (ru) Способ кодирования изображения на основе неразделимого вторичного преобразования и устройство для него
JP2021036676A5 (https=)
RU2016147170A (ru) Блочное адаптивное кодирование с преобразованием цветового пространства
JP2017201813A5 (https=)
KR20180055761A (ko) 영상을 부호화 또는 복호화하는 방법 및 장치
RU2014113082A (ru) Способ декодирования видеоданных
JP2009545920A5 (https=)
KR20090097688A (ko) 영상의 인트라 예측 부호화/복호화 방법 및 장치
KR20060105352A (ko) 인트라 예측 방법 및 그 장치
WO2014157166A1 (ja) 動画像符号化装置、動画像復号装置、動画像符号化方法、動画像復号方法、およびプログラム
KR20080004013A (ko) 영상의 부호화 방법 및 장치, 복호화 방법 및 장치
JP2014131172A5 (https=)
JP2015019152A5 (https=)
KR20150099165A (ko) Tsm 율-왜곡 최적화 방법, 그를 이용한 인코딩 방법 및 장치, 그리고 영상 처리 장치
JP2013522957A (ja) 変換選択を有するビデオ符号化および復号のための制約付きの変換を行う方法および装置
CN108353175A (zh) 使用系数引起的预测处理视频信号的方法和装置
JP2020053924A5 (ja) 動画像符号化装置、動画像復号装置、動画像復号方法および動画像符号化方法
MX2014015293A (es) Dispositivo de codificacion, dispositivo de decodificacion y programa.
JP2022140573A (ja) 動画像復号装置、動画像復号方法及びプログラム
KR101737006B1 (ko) 인지 품질 기반의 변환 부호화 고속화 방법 및 장치
JP6115968B2 (ja) 画像符号化装置、画像復号装置、画像符号化方法、画像復号方法、画像符号化プログラム及び画像復号プログラム