CA3000391A1 - Improved bi-directional optical flow for video coding - Google Patents
Improved bi-directional optical flow for video coding Download PDFInfo
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- CA3000391A1 CA3000391A1 CA3000391A CA3000391A CA3000391A1 CA 3000391 A1 CA3000391 A1 CA 3000391A1 CA 3000391 A CA3000391 A CA 3000391A CA 3000391 A CA3000391 A CA 3000391A CA 3000391 A1 CA3000391 A1 CA 3000391A1
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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
- H04N19/577—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
- H04N19/10—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
-
- 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
-
- 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
- H04N19/169—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
- H04N19/182—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 pixel
-
- 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
- H04N19/573—Motion compensation with multiple frame prediction using two or more reference frames in a given prediction direction
-
- 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
- H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201562233846P | 2015-09-28 | 2015-09-28 | |
| US62/233,846 | 2015-09-28 | ||
| US15/277,433 | 2016-09-27 | ||
| US15/277,433 US10375413B2 (en) | 2015-09-28 | 2016-09-27 | Bi-directional optical flow for video coding |
| PCT/US2016/054158 WO2017058899A1 (en) | 2015-09-28 | 2016-09-28 | Improved bi-directional optical flow for video coding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA3000391A1 true CA3000391A1 (en) | 2017-04-06 |
Family
ID=58406055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA3000391A Abandoned CA3000391A1 (en) | 2015-09-28 | 2016-09-28 | Improved bi-directional optical flow for video coding |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US10375413B2 (enExample) |
| EP (1) | EP3357241B1 (enExample) |
| JP (1) | JP6676156B2 (enExample) |
| KR (1) | KR102136973B1 (enExample) |
| CN (1) | CN108028929B (enExample) |
| BR (1) | BR112018006266B1 (enExample) |
| CA (1) | CA3000391A1 (enExample) |
| TW (1) | TW201715891A (enExample) |
| WO (1) | WO2017058899A1 (enExample) |
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| US11272193B2 (en) * | 2017-04-24 | 2022-03-08 | Sk Telecom Co., Ltd. | Method and apparatus for estimating optical flow for motion compensation |
| KR102409430B1 (ko) * | 2017-04-24 | 2022-06-15 | 에스케이텔레콤 주식회사 | 움직임 보상을 위한 옵티컬 플로우 추정 방법 및 장치 |
| KR20240037382A (ko) * | 2017-04-27 | 2024-03-21 | 파나소닉 인텔렉츄얼 프로퍼티 코포레이션 오브 아메리카 | 부호화 장치, 복호 장치, 부호화 방법 및 복호 방법 |
| JP2018191136A (ja) * | 2017-05-02 | 2018-11-29 | キヤノン株式会社 | 符号化装置、符号化方法およびプログラム |
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| WO2018212111A1 (ja) * | 2017-05-19 | 2018-11-22 | 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 | 符号化装置、復号装置、符号化方法及び復号方法 |
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| WO2018221631A1 (ja) * | 2017-06-02 | 2018-12-06 | 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 | 符号化装置、復号装置、符号化方法および復号方法 |
| KR102679175B1 (ko) * | 2017-06-05 | 2024-06-27 | 파나소닉 인텔렉츄얼 프로퍼티 코포레이션 오브 아메리카 | 부호화 장치, 복호 장치, 부호화 방법 및 복호 방법 |
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| CN117478885A (zh) * | 2017-07-03 | 2024-01-30 | Vid拓展公司 | 用于视频编解码的设备、方法 |
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| US11917128B2 (en) | 2017-08-22 | 2024-02-27 | Google Llc | Motion field estimation based on motion trajectory derivation |
| KR102295520B1 (ko) * | 2017-08-22 | 2021-08-27 | 구글 엘엘씨 | 비디오 코딩에서 모션 보상 예측을 위한 광흐름 추정 |
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| JP2022547988A (ja) * | 2019-09-10 | 2022-11-16 | エルジー エレクトロニクス インコーポレイティド | Ｂｄｏｆを行う画像符号化／復号化方法、装置、及びビットストリームを伝送する方法 |
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| US8917769B2 (en) * | 2009-07-03 | 2014-12-23 | Intel Corporation | Methods and systems to estimate motion based on reconstructed reference frames at a video decoder |
| CN102934444A (zh) * | 2010-04-06 | 2013-02-13 | 三星电子株式会社 | 用于对视频进行编码的方法和设备以及用于对视频进行解码的方法和设备 |
| US10841573B2 (en) | 2011-02-08 | 2020-11-17 | Sun Patent Trust | Methods and apparatuses for encoding and decoding video using multiple reference pictures |
| US20130208795A1 (en) * | 2012-02-09 | 2013-08-15 | Google Inc. | Encoding motion vectors for video compression |
| US20150350671A1 (en) * | 2013-01-04 | 2015-12-03 | Samsung Electronics Co., Ltd. | Motion compensation method and device for encoding and decoding scalable video |
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| CN107925775A (zh) * | 2015-09-02 | 2018-04-17 | 联发科技股份有限公司 | 基于双向预测光流技术的视频编解码的运动补偿方法及装置 |
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