MX2021001663A - Un codificador, un decodificador y metodos correspondientes usando bufer dedicado de ibc y actualizacion de valor predeterminado para componente luma y croma. - Google Patents
Un codificador, un decodificador y metodos correspondientes usando bufer dedicado de ibc y actualizacion de valor predeterminado para componente luma y croma.Info
- Publication number
- MX2021001663A MX2021001663A MX2021001663A MX2021001663A MX2021001663A MX 2021001663 A MX2021001663 A MX 2021001663A MX 2021001663 A MX2021001663 A MX 2021001663A MX 2021001663 A MX2021001663 A MX 2021001663A MX 2021001663 A MX2021001663 A MX 2021001663A
- Authority
- MX
- Mexico
- Prior art keywords
- ibc
- dedicated buffer
- luma
- decoder
- encoder
- Prior art date
Links
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
- H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/103—Selection of coding mode or of prediction mode
- H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/103—Selection of coding mode or of prediction mode
- H04N19/11—Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
- H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/136—Incoming video signal characteristics or properties
- H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
- H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
- H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/186—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a colour or a chrominance component
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
- H04N19/423—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
- H04N19/43—Hardware specially adapted for motion estimation or compensation
- H04N19/433—Hardware specially adapted for motion estimation or compensation characterised by techniques for memory access
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
- H04N19/51—Motion estimation or motion compensation
- H04N19/513—Processing of motion vectors
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- 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
- H04N19/96—Tree coding, e.g. quad-tree coding
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Discrete Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Abstract
Un método de codificación implementado por un dispositivo de decodificación que comprende: inicializar un búfer dedicado para referencia de copia de intrabloque (intra block copy, IBC), cuando una unidad de codificación en árbol (coding tree unit, CTU) actual a ser decodificada es una primera CTU de una fila de CTU, determinar si un bloque actual en la CTU actual se predice usando el modo de IBC, obtener un vector de bloque de IBC para el bloque actual cuando el bloque actual se predice usando el modo de IBC, y obtener valores de muestra predicha para el bloque actual, con base en muestras de referencia del búfer dedicado y el vector de bloque de IBC para el bloque actual.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201962849119P | 2019-05-16 | 2019-05-16 | |
EP2019065540 | 2019-06-13 | ||
PCT/CN2020/090053 WO2020228744A1 (en) | 2019-05-16 | 2020-05-13 | An encoder, a decoder and corresponding methods using ibc dedicated buffer and default value refreshing for luma and chroma component |
Publications (1)
Publication Number | Publication Date |
---|---|
MX2021001663A true MX2021001663A (es) | 2021-05-12 |
Family
ID=73289357
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX2021001663A MX2021001663A (es) | 2019-05-16 | 2020-05-13 | Un codificador, un decodificador y metodos correspondientes usando bufer dedicado de ibc y actualizacion de valor predeterminado para componente luma y croma. |
Country Status (10)
Country | Link |
---|---|
US (1) | US11463709B2 (es) |
EP (1) | EP3912348A4 (es) |
JP (2) | JP7106744B2 (es) |
KR (2) | KR102596735B1 (es) |
CN (2) | CN113840143A (es) |
AU (1) | AU2020276527B9 (es) |
BR (1) | BR112021000935A2 (es) |
CA (1) | CA3131289C (es) |
MX (1) | MX2021001663A (es) |
WO (1) | WO2020228744A1 (es) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA3127848C (en) | 2019-02-02 | 2024-06-11 | Beijing Bytedance Network Technology Co., Ltd. | Buffer management for intra block copy in video coding |
CN113508597B (zh) | 2019-03-01 | 2023-11-21 | 北京字节跳动网络技术有限公司 | 用于视频编解码中的帧内块复制的基于方向的预测 |
JP7284284B2 (ja) | 2019-03-04 | 2023-05-30 | 北京字節跳動網絡技術有限公司 | 映像符号化におけるイントラブロックコピーの実装形態の態様 |
WO2020253650A1 (en) * | 2019-06-16 | 2020-12-24 | Beijing Bytedance Network Technology Co., Ltd. | Interaction between screen content coding tools and motion information |
US11070816B2 (en) | 2019-06-18 | 2021-07-20 | Tencent America LLC | Conversion of decoded block vector for intra picture block compensation |
CN114128279A (zh) * | 2019-06-21 | 2022-03-01 | Jvc建伍株式会社 | 动图像编码装置、动图像编码方法及动图像编码程序、动图像解码装置、动图像解码方法及动图像解码程序 |
KR20220003095A (ko) * | 2019-06-25 | 2022-01-07 | 가부시키가이샤 제이브이씨 켄우드 | 동화상 부호화 장치, 동화상 부호화 방법, 동화상 복호 장치, 동화상 복호 방법 |
JP2022539468A (ja) * | 2019-07-06 | 2022-09-09 | 北京字節跳動網絡技術有限公司 | 映像符号化におけるイントラブロックコピーのための仮想予測バッファ |
CN114175633B (zh) | 2019-07-10 | 2023-12-29 | 北京字节跳动网络技术有限公司 | 用于视频编解码中的帧内块复制的样点标识 |
CN114097221B (zh) * | 2019-07-11 | 2024-01-12 | 北京字节跳动网络技术有限公司 | 用于视频编解码中的帧内块复制的比特流一致性约束 |
EP3987790A4 (en) * | 2019-07-25 | 2022-08-31 | Beijing Bytedance Network Technology Co., Ltd. | SIZE RESTRICTION FOR VIRTUAL IN-BLOCK COPY BUFFER |
JP2022542115A (ja) | 2019-07-25 | 2022-09-29 | 北京字節跳動網絡技術有限公司 | イントラブロックコピー仮想バッファに対するマッピング制限 |
WO2021043299A1 (en) | 2019-09-05 | 2021-03-11 | Beijing Bytedance Network Technology Co., Ltd. | Range constrains for block vector in intra-block copy mode |
CN114503580A (zh) * | 2019-09-23 | 2022-05-13 | 北京字节跳动网络技术有限公司 | 基于虚拟管线数据单元设置帧内块复制虚拟缓冲区 |
CN115362674A (zh) | 2020-03-18 | 2022-11-18 | 抖音视界有限公司 | 帧内块复制缓冲区和调色板预测值更新 |
CN113556542B (zh) * | 2021-07-16 | 2023-04-28 | 安谋科技(中国)有限公司 | 帧内块复制单元及方法 |
WO2024085656A1 (ko) * | 2022-10-18 | 2024-04-25 | 주식회사 윌러스표준기술연구소 | 비디오 신호 처리 방법 및 이를 위한 장치 |
CN116303137A (zh) * | 2023-02-27 | 2023-06-23 | 深圳市步科电气有限公司 | 数据滤波方法、装置、电子设备及可读存储介质 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2013228045A1 (en) * | 2013-09-13 | 2015-04-02 | Canon Kabushiki Kaisha | Method, apparatus and system for encoding and decoding video data |
US10666968B2 (en) * | 2014-05-06 | 2020-05-26 | Hfi Innovation Inc. | Method of block vector prediction for intra block copy mode coding |
US10027981B2 (en) * | 2014-09-01 | 2018-07-17 | Hfi Innovation Inc. | Method of intra picture block copy for screen content and video coding |
US10212445B2 (en) * | 2014-10-09 | 2019-02-19 | Qualcomm Incorporated | Intra block copy prediction restrictions for parallel processing |
US9955185B2 (en) | 2015-02-12 | 2018-04-24 | Mediatek Inc. | Method and apparatus of constrained intra block copy for coding video |
CN107637057A (zh) * | 2015-06-03 | 2018-01-26 | 联发科技股份有限公司 | 图像和视频数据的调色板编解码方法 |
KR102658290B1 (ko) * | 2015-06-08 | 2024-04-16 | 브이아이디 스케일, 인크. | 스크린 콘텐츠 코딩을 위한 인트라 블록 카피 모드 |
EP3342165B1 (en) * | 2015-09-08 | 2021-11-10 | MediaTek Inc. | Method and system of decoded picture buffer for intra block copy mode |
RU2710667C1 (ru) * | 2016-05-28 | 2019-12-30 | МедиаТек Инк. | Способ и устройство привязки к текущему изображению для кодирования видео |
EP3516869B1 (en) * | 2016-10-04 | 2022-06-08 | HFI Innovation Inc. | Method and apparatus for intra chroma coding in image and video coding |
US10743029B2 (en) * | 2018-07-30 | 2020-08-11 | Tencent America LLC | Constraints on coding unit partition |
US11683501B2 (en) * | 2019-01-17 | 2023-06-20 | Tencent America LLC | Method and apparatus for video coding |
US10904557B2 (en) * | 2019-01-22 | 2021-01-26 | Tencent America LLC | Method and apparatus for video coding |
-
2020
- 2020-05-13 KR KR1020227027003A patent/KR102596735B1/ko active IP Right Grant
- 2020-05-13 CN CN202110532656.8A patent/CN113840143A/zh active Pending
- 2020-05-13 WO PCT/CN2020/090053 patent/WO2020228744A1/en unknown
- 2020-05-13 CA CA3131289A patent/CA3131289C/en active Active
- 2020-05-13 KR KR1020217000755A patent/KR102431537B1/ko active IP Right Grant
- 2020-05-13 EP EP20806779.3A patent/EP3912348A4/en not_active Ceased
- 2020-05-13 BR BR112021000935-3A patent/BR112021000935A2/pt unknown
- 2020-05-13 AU AU2020276527A patent/AU2020276527B9/en active Active
- 2020-05-13 CN CN202080005352.XA patent/CN113039798B/zh active Active
- 2020-05-13 MX MX2021001663A patent/MX2021001663A/es unknown
- 2020-05-13 JP JP2021505861A patent/JP7106744B2/ja active Active
-
2021
- 2021-01-04 US US17/141,147 patent/US11463709B2/en active Active
-
2022
- 2022-07-13 JP JP2022112148A patent/JP7375125B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
US11463709B2 (en) | 2022-10-04 |
CA3131289A1 (en) | 2020-11-19 |
JP2022140481A (ja) | 2022-09-26 |
JP7106744B2 (ja) | 2022-07-26 |
US20210152833A1 (en) | 2021-05-20 |
WO2020228744A1 (en) | 2020-11-19 |
KR102431537B1 (ko) | 2022-08-12 |
CN113840143A (zh) | 2021-12-24 |
CN113039798B (zh) | 2024-03-26 |
CN113039798A (zh) | 2021-06-25 |
AU2020276527A1 (en) | 2021-09-09 |
KR20220116339A (ko) | 2022-08-22 |
KR102596735B1 (ko) | 2023-11-01 |
CA3131289C (en) | 2023-12-12 |
KR20210018490A (ko) | 2021-02-17 |
BR112021000935A2 (pt) | 2021-04-20 |
JP7375125B2 (ja) | 2023-11-07 |
AU2020276527B2 (en) | 2024-06-13 |
JP2021533644A (ja) | 2021-12-02 |
AU2020276527B9 (en) | 2024-06-27 |
EP3912348A4 (en) | 2022-06-22 |
EP3912348A1 (en) | 2021-11-24 |
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