IL281581B2 - Complexity reduction and bit width control for bidirectional optical streaming - Google Patents
Complexity reduction and bit width control for bidirectional optical streamingInfo
- Publication number
- IL281581B2 IL281581B2 IL281581A IL28158121A IL281581B2 IL 281581 B2 IL281581 B2 IL 281581B2 IL 281581 A IL281581 A IL 281581A IL 28158121 A IL28158121 A IL 28158121A IL 281581 B2 IL281581 B2 IL 281581B2
- Authority
- IL
- Israel
- Prior art keywords
- array
- calculating
- gradient
- component
- bit
- 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
- H04N19/102—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
- H04N19/132—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
- H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
-
- 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
-
- 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
-
- 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
-
- 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
- H04N19/563—Motion estimation with padding, i.e. with filling of non-object values in an arbitrarily shaped picture block or region for estimation purposes
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201862734763P | 2018-09-21 | 2018-09-21 | |
| US201862738655P | 2018-09-28 | 2018-09-28 | |
| US201962789331P | 2019-01-07 | 2019-01-07 | |
| PCT/US2019/051560 WO2020061082A1 (en) | 2018-09-21 | 2019-09-17 | Complexity reduction and bit-width control for bi-directional optical flow |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| IL281581A IL281581A (en) | 2021-05-31 |
| IL281581B1 IL281581B1 (en) | 2025-01-01 |
| IL281581B2 true IL281581B2 (en) | 2025-05-01 |
Family
ID=68104762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL281581A IL281581B2 (en) | 2018-09-21 | 2019-09-17 | Complexity reduction and bit width control for bidirectional optical streaming |
Country Status (8)
| Country | Link |
|---|---|
| US (5) | US11470308B2 (https=) |
| EP (1) | EP3854089A1 (https=) |
| JP (3) | JP7311589B2 (https=) |
| KR (2) | KR102708989B1 (https=) |
| CN (2) | CN112715030B (https=) |
| IL (1) | IL281581B2 (https=) |
| TW (3) | TWI866421B (https=) |
| WO (1) | WO2020061082A1 (https=) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020061082A1 (en) | 2018-09-21 | 2020-03-26 | Vid Scale, Inc. | Complexity reduction and bit-width control for bi-directional optical flow |
| CN112913241B (zh) | 2018-10-22 | 2024-03-26 | 北京字节跳动网络技术有限公司 | 解码器侧运动矢量推导的限制 |
| WO2020084461A1 (en) | 2018-10-22 | 2020-04-30 | Beijing Bytedance Network Technology Co., Ltd. | Restrictions on decoder side motion vector derivation based on coding information |
| EP4300965A3 (en) * | 2018-11-05 | 2024-01-17 | Beijing Bytedance Network Technology Co., Ltd. | Interpolation for inter prediction with refinement |
| CN119967170A (zh) * | 2018-12-21 | 2025-05-09 | 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 |
| JP7303255B2 (ja) * | 2019-01-09 | 2023-07-04 | ベイジン ダジア インターネット インフォメーション テクノロジー カンパニー リミテッド | ビデオコーディングの方法、ビデオコーディングデバイス、コンピュータ可読記憶媒体およびコンピュータプログラム |
| KR102489605B1 (ko) | 2019-01-09 | 2023-01-17 | 베이징 다지아 인터넷 인포메이션 테크놀로지 컴퍼니 리미티드 | 조합된 인터 및 인트라 예측을 위한 시스템 및 방법 |
| CN116886925B (zh) * | 2019-02-08 | 2024-11-08 | 北京达佳互联信息技术有限公司 | 一种用于视频编码的方法、计算设备和介质 |
| CN118450122A (zh) * | 2019-03-11 | 2024-08-06 | 松下电器（美国）知识产权公司 | 比特流的发送装置、比特流的发送方法和非暂时性存储介质 |
| KR102850505B1 (ko) * | 2019-03-15 | 2025-08-25 | 베이징 다지아 인터넷 인포메이션 테크놀로지 컴퍼니 리미티드 | 양방향 광 흐름을 위한 비트-폭 제어를 위한 방법 및 디바이스 |
| GB2585039A (en) * | 2019-06-25 | 2020-12-30 | Sony Corp | Image data encoding and decoding |
| US11736720B2 (en) * | 2019-09-03 | 2023-08-22 | Tencent America LLC | Motion vector refinement methods for video encoding |
| EP4032300A4 (en) | 2019-09-20 | 2022-11-09 | Telefonaktiebolaget Lm Ericsson (Publ) | Methods of video encoding and/or decoding with bidirectional optical flow simplification on shift operations and related apparatus |
| EP4231642A1 (en) * | 2019-12-30 | 2023-08-23 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Inter-frame prediction method, encoder, decoder and storage medium |
| CN114079784A (zh) * | 2020-08-20 | 2022-02-22 | Oppo广东移动通信有限公司 | 帧间预测方法、编码器、解码器以及计算机存储介质 |
| EP4723623A1 (en) * | 2024-10-03 | 2026-04-08 | InterDigital CE Patent Holdings, SAS | Rate-distortion optimization with motion information |
Family Cites Families (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06168239A (ja) | 1992-11-27 | 1994-06-14 | Toshiba Corp | 文書作成装置 |
| JP2991878B2 (ja) * | 1992-11-27 | 1999-12-20 | 三菱電機株式会社 | オプティカルフロー演算回路 |
| EP2375751A1 (en) * | 2010-04-12 | 2011-10-12 | Panasonic Corporation | Complexity reduction of edge-detection based spatial interpolation |
| US9172972B2 (en) | 2011-01-05 | 2015-10-27 | Qualcomm Incorporated | Low complexity interpolation filtering with adaptive tap size |
| EP4040791A1 (en) | 2015-06-08 | 2022-08-10 | Vid Scale, Inc. | Intra block copy mode for screen content coding |
| EP3340620B1 (en) | 2015-08-23 | 2024-10-02 | LG Electronics Inc. | Inter prediction mode-based image processing method and apparatus therefor |
| US10341659B2 (en) * | 2016-10-05 | 2019-07-02 | Qualcomm Incorporated | Systems and methods of switching interpolation filters |
| WO2018084339A1 (ko) | 2016-11-04 | 2018-05-11 | 엘지전자(주) | 인터 예측 모드 기반 영상 처리 방법 및 이를 위한 장치 |
| WO2018113658A1 (en) * | 2016-12-22 | 2018-06-28 | Mediatek Inc. | Method and apparatus of motion refinement for video coding |
| US10931969B2 (en) * | 2017-01-04 | 2021-02-23 | Qualcomm Incorporated | Motion vector reconstructions for bi-directional optical flow (BIO) |
| US10701366B2 (en) * | 2017-02-21 | 2020-06-30 | Qualcomm Incorporated | Deriving motion vector information at a video decoder |
| WO2018166357A1 (en) * | 2017-03-16 | 2018-09-20 | Mediatek Inc. | Method and apparatus of motion refinement based on bi-directional optical flow for video coding |
| CN116847086A (zh) * | 2017-05-17 | 2023-10-03 | 株式会社Kt | 对图像解码的方法以及存储压缩视频数据的装置 |
| WO2018226015A1 (ko) * | 2017-06-09 | 2018-12-13 | 한국전자통신연구원 | 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체 |
| US10904565B2 (en) * | 2017-06-23 | 2021-01-26 | Qualcomm Incorporated | Memory-bandwidth-efficient design for bi-directional optical flow (BIO) |
| EP3649780B1 (en) * | 2017-07-03 | 2025-06-25 | InterDigital VC Holdings, Inc. | Motion-compensation prediction based on bi-directional optical flow |
| WO2019061475A1 (en) * | 2017-09-30 | 2019-04-04 | SZ DJI Technology Co., Ltd. | IMAGE PROCESSING |
| US10776688B2 (en) * | 2017-11-06 | 2020-09-15 | Nvidia Corporation | Multi-frame video interpolation using optical flow |
| US11109053B2 (en) * | 2018-03-05 | 2021-08-31 | Panasonic Intellectual Property Corporation Of America | Encoding method, decoding method, encoder, and decoder |
| JP2021520710A (ja) | 2018-04-06 | 2021-08-19 | ヴィド スケール インコーポレイテッド | 簡易化された勾配導出による双方向オプティカルフロー方法 |
| KR102596104B1 (ko) * | 2018-06-11 | 2023-10-30 | 에이치에프아이 이노베이션 인크. | 비디오 코딩을 위한 양방향 광학 흐름의 방법 및 장치 |
| EP3834416A4 (en) | 2018-08-17 | 2022-08-17 | HFI Innovation Inc. | Methods and apparatuses of video processing with bi-direction predicition in video coding systems |
| WO2020061082A1 (en) | 2018-09-21 | 2020-03-26 | Vid Scale, Inc. | Complexity reduction and bit-width control for bi-directional optical flow |
-
2019
- 2019-09-17 WO PCT/US2019/051560 patent/WO2020061082A1/en not_active Ceased
- 2019-09-17 US US17/276,448 patent/US11470308B2/en active Active
- 2019-09-17 CN CN201980060852.0A patent/CN112715030B/zh active Active
- 2019-09-17 JP JP2021515221A patent/JP7311589B2/ja active Active
- 2019-09-17 CN CN202410474083.1A patent/CN118474345A/zh active Pending
- 2019-09-17 IL IL281581A patent/IL281581B2/en unknown
- 2019-09-17 EP EP19780070.9A patent/EP3854089A1/en active Pending
- 2019-09-17 KR KR1020217008062A patent/KR102708989B1/ko active Active
- 2019-09-17 KR KR1020247030758A patent/KR102937491B1/ko active Active
- 2019-09-18 TW TW112132633A patent/TWI866421B/zh active
- 2019-09-18 TW TW108133511A patent/TWI834722B/zh active
- 2019-09-18 TW TW113143196A patent/TW202516922A/zh unknown
-
2022
- 2022-10-10 US US17/962,928 patent/US11968358B2/en active Active
- 2022-10-10 US US17/962,918 patent/US12003703B2/en active Active
-
2023
- 2023-07-06 JP JP2023111403A patent/JP7553659B2/ja active Active
-
2024
- 2024-02-09 US US18/438,202 patent/US12464117B2/en active Active
- 2024-09-05 JP JP2024153291A patent/JP7744485B2/ja active Active
-
2025
- 2025-10-13 US US19/356,614 patent/US20260039801A1/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| TW202402055A (zh) | 2024-01-01 |
| US20230053233A1 (en) | 2023-02-16 |
| US20260039801A1 (en) | 2026-02-05 |
| KR20240142584A (ko) | 2024-09-30 |
| IL281581B1 (en) | 2025-01-01 |
| US12003703B2 (en) | 2024-06-04 |
| TWI834722B (zh) | 2024-03-11 |
| KR102937491B1 (ko) | 2026-03-10 |
| US20240205389A1 (en) | 2024-06-20 |
| JP2022501906A (ja) | 2022-01-06 |
| CN112715030B (zh) | 2024-04-23 |
| TW202025751A (zh) | 2020-07-01 |
| US12464117B2 (en) | 2025-11-04 |
| IL281581A (en) | 2021-05-31 |
| TWI866421B (zh) | 2024-12-11 |
| US11968358B2 (en) | 2024-04-23 |
| US11470308B2 (en) | 2022-10-11 |
| JP7553659B2 (ja) | 2024-09-18 |
| JP7744485B2 (ja) | 2025-09-25 |
| US20230050213A1 (en) | 2023-02-16 |
| JP2024166257A (ja) | 2024-11-28 |
| KR102708989B1 (ko) | 2024-09-23 |
| KR20210071958A (ko) | 2021-06-16 |
| TW202516922A (zh) | 2025-04-16 |
| US20220038679A1 (en) | 2022-02-03 |
| CN112715030A (zh) | 2021-04-27 |
| WO2020061082A1 (en) | 2020-03-26 |
| CN118474345A (zh) | 2024-08-09 |
| JP2023118924A (ja) | 2023-08-25 |
| JP7311589B2 (ja) | 2023-07-19 |
| EP3854089A1 (en) | 2021-07-28 |
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