MA50940A - Procédé et appareil de codage ou de décodage de données vidéo en mode fruc avec des accès mémoire réduits - Google Patents
Procédé et appareil de codage ou de décodage de données vidéo en mode fruc avec des accès mémoire réduitsInfo
- Publication number
- MA50940A MA50940A MA050940A MA50940A MA50940A MA 50940 A MA50940 A MA 50940A MA 050940 A MA050940 A MA 050940A MA 50940 A MA50940 A MA 50940A MA 50940 A MA50940 A MA 50940A
- Authority
- MA
- Morocco
- Prior art keywords
- fruck
- encoding
- mode
- video data
- memory access
- 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
- H04N19/50—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
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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
- H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
-
- 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
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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
-
- 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
- H04N19/146—Data rate or code amount at the encoder output
- H04N19/147—Data rate or code amount at the encoder output according to rate distortion criteria
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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
- H04N19/42—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
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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
- H04N19/503—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
- H04N19/50—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
- H04N19/517—Processing of motion vectors by encoding
- H04N19/52—Processing of motion vectors by encoding by predictive encoding
-
- 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
- H04N19/523—Motion estimation or motion compensation with sub-pixel accuracy
-
- 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
- H04N19/56—Motion estimation with initialisation of the vector search, e.g. estimating a good candidate to initiate a search
-
- 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
- H04N19/577—Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
-
- 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
- H04N19/587—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal sub-sampling or interpolation, e.g. decimation or subsequent interpolation of pictures in a video sequence
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1710567.7A GB2563943B (en) | 2017-06-30 | 2017-06-30 | Method and apparatus for encoding or decoding video data in FRUC mode with reduced memory accesses |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| MA50940A true MA50940A (fr) | 2020-05-06 |
Family
ID=59592613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MA050940A MA50940A (fr) | 2017-06-30 | 2018-06-22 | Procédé et appareil de codage ou de décodage de données vidéo en mode fruc avec des accès mémoire réduits |
Country Status (8)
| Country | Link |
|---|---|
| US (6) | US11202076B2 (fr) |
| EP (2) | EP3646596A1 (fr) |
| JP (2) | JP6945654B2 (fr) |
| KR (2) | KR102434319B1 (fr) |
| CN (6) | CN111133759B (fr) |
| GB (1) | GB2563943B (fr) |
| MA (1) | MA50940A (fr) |
| WO (1) | WO2019002136A1 (fr) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2563943B (en) | 2017-06-30 | 2021-02-24 | Canon Kk | Method and apparatus for encoding or decoding video data in FRUC mode with reduced memory accesses |
| GB2564133B (en) * | 2017-07-04 | 2021-03-17 | Canon Kk | Method and apparatus for encoding or decoding video data with sub-pixel motion vector refinement |
| EP3769528A4 (fr) * | 2018-03-19 | 2021-11-10 | QUALCOMM Incorporated | Perfectionnements apportés à une prédiction temporelle évoluée d'un vecteur de mouvement |
| US10911768B2 (en) * | 2018-07-11 | 2021-02-02 | Tencent America LLC | Constraint for template matching in decoder side motion derivation and refinement |
| CN113056920B (zh) | 2018-11-22 | 2024-05-24 | 北京字节跳动网络技术有限公司 | 基于子块的帧间预测的协调方法 |
| US11196988B2 (en) | 2018-12-17 | 2021-12-07 | Apple Inc. | Reference picture management and list construction |
| EP3997877A4 (fr) | 2019-08-13 | 2023-05-24 | Beijing Bytedance Network Technology Co., Ltd. | Précision de mouvement dans une inter-prédiction à base de sous-blocs |
| WO2021052504A1 (fr) | 2019-09-22 | 2021-03-25 | Beijing Bytedance Network Technology Co., Ltd. | Procédé de mise à l'échelle pour une prédiction inter basée sur des sous-blocs |
| US11671616B2 (en) | 2021-03-12 | 2023-06-06 | Lemon Inc. | Motion candidate derivation |
| US11936899B2 (en) * | 2021-03-12 | 2024-03-19 | Lemon Inc. | Methods and systems for motion candidate derivation |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1152621A1 (fr) * | 2000-05-05 | 2001-11-07 | STMicroelectronics S.r.l. | Procédé et système d'estimation de mouvement |
| US7400680B2 (en) * | 2003-09-30 | 2008-07-15 | Intel Corporation | Rectangular-shape motion search |
| JP4590337B2 (ja) | 2005-10-27 | 2010-12-01 | キヤノン株式会社 | 動画像符号化装置及び動画像符号化方法 |
| JP2007129370A (ja) * | 2005-11-01 | 2007-05-24 | Matsushita Electric Ind Co Ltd | 動きベクトル検出装置及び方法 |
| US20110176611A1 (en) * | 2010-01-15 | 2011-07-21 | Yu-Wen Huang | Methods for decoder-side motion vector derivation |
| CN102131091B (zh) * | 2010-01-15 | 2013-01-23 | 联发科技股份有限公司 | 解码端运动向量导出方法 |
| US9100657B1 (en) * | 2011-12-07 | 2015-08-04 | Google Inc. | Encoding time management in parallel real-time video encoding |
| US10075728B2 (en) * | 2012-10-01 | 2018-09-11 | Inria Institut National De Recherche En Informatique Et En Automatique | Method and device for motion information prediction refinement |
| US9438925B2 (en) * | 2013-12-31 | 2016-09-06 | Vixs Systems, Inc. | Video encoder with block merging and methods for use therewith |
| JPWO2015166639A1 (ja) | 2014-04-28 | 2017-04-20 | 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 | 符号化方法、復号方法、符号化装置および復号装置 |
| US10757437B2 (en) * | 2014-07-17 | 2020-08-25 | Apple Inc. | Motion estimation in block processing pipelines |
| WO2017036414A1 (fr) * | 2015-09-02 | 2017-03-09 | Mediatek Inc. | Procédé et appareil de dérivation de mouvement sur le côté décodeur pour un codage vidéo |
| US20190082192A1 (en) * | 2016-03-16 | 2019-03-14 | Mediatek Inc. | Method and apparatus of pattern-based motion vector derivation for video coding |
| US10951912B2 (en) * | 2016-10-05 | 2021-03-16 | Qualcomm Incorporated | Systems and methods for adaptive selection of weights for video coding |
| GB2563943B (en) * | 2017-06-30 | 2021-02-24 | Canon Kk | Method and apparatus for encoding or decoding video data in FRUC mode with reduced memory accesses |
| GB2564133B (en) * | 2017-07-04 | 2021-03-17 | Canon Kk | Method and apparatus for encoding or decoding video data with sub-pixel motion vector refinement |
| MX2020013844A (es) * | 2018-07-02 | 2021-03-25 | Huawei Tech Co Ltd | Un metodo de refinamiento preciso de subpixel basado en superficie de error para refinamiento de vector de movimiento del lado del decodificador. |
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2017
- 2017-06-30 GB GB1710567.7A patent/GB2563943B/en active Active
-
2018
- 2018-06-22 JP JP2019562548A patent/JP6945654B2/ja active Active
- 2018-06-22 KR KR1020197037607A patent/KR102434319B1/ko active IP Right Grant
- 2018-06-22 WO PCT/EP2018/066786 patent/WO2019002136A1/fr active Application Filing
- 2018-06-22 MA MA050940A patent/MA50940A/fr unknown
- 2018-06-22 EP EP18734186.2A patent/EP3646596A1/fr not_active Withdrawn
- 2018-06-22 CN CN201880035761.7A patent/CN111133759B/zh active Active
- 2018-06-22 US US16/626,253 patent/US11202076B2/en active Active
- 2018-06-22 KR KR1020227028244A patent/KR102536704B1/ko active IP Right Grant
- 2018-06-22 EP EP24169286.2A patent/EP4422177A2/fr active Pending
- 2018-06-22 CN CN202210624054.XA patent/CN115002479B/zh active Active
- 2018-06-22 CN CN202210624069.6A patent/CN115002480B/zh active Active
- 2018-06-22 CN CN202210624074.7A patent/CN115002481B/zh active Active
- 2018-06-22 CN CN202210629636.7A patent/CN115037946B/zh active Active
- 2018-06-22 CN CN202210623971.6A patent/CN115002478B/zh active Active
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2021
- 2021-09-08 JP JP2021146342A patent/JP7261275B2/ja active Active
- 2021-11-11 US US17/524,279 patent/US11595659B2/en active Active
-
2023
- 2023-02-02 US US18/163,602 patent/US11979578B2/en active Active
- 2023-02-02 US US18/163,610 patent/US11979579B2/en active Active
- 2023-02-02 US US18/163,666 patent/US11979580B2/en active Active
- 2023-02-02 US US18/163,743 patent/US11979581B2/en active Active
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