TW202516922A - 雙向光流複雜度降低及位元寬度控制的裝置及方法 - Google Patents
雙向光流複雜度降低及位元寬度控制的裝置及方法 Download PDFInfo
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- TW202516922A TW202516922A TW113143196A TW113143196A TW202516922A TW 202516922 A TW202516922 A TW 202516922A TW 113143196 A TW113143196 A TW 113143196A TW 113143196 A TW113143196 A TW 113143196A TW 202516922 A TW202516922 A TW 202516922A
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- 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
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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
- H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
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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
- H04N19/146—Data rate or code amount at the encoder output
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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
- H04N19/10—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
- H04N19/50—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
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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
- H04N19/517—Processing of motion vectors by encoding
- H04N19/52—Processing of motion vectors by encoding by predictive encoding
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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
- H04N19/563—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
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- 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 (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201862734763P | 2018-09-21 | 2018-09-21 | |
| US62/734763 | 2018-09-21 | ||
| US201862738655P | 2018-09-28 | 2018-09-28 | |
| US62/738655 | 2018-09-28 | ||
| US201962789331P | 2019-01-07 | 2019-01-07 | |
| US62/789331 | 2019-01-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TW202516922A true TW202516922A (zh) | 2025-04-16 |
Family
ID=68104762
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW113143196A TW202516922A (zh) | 2018-09-21 | 2019-09-18 | 雙向光流複雜度降低及位元寬度控制的裝置及方法 |
| TW112132633A TWI866421B (zh) | 2018-09-21 | 2019-09-18 | 雙向光流複雜度降低及位元寬度控制的裝置及方法 |
| TW108133511A TWI834722B (zh) | 2018-09-21 | 2019-09-18 | 雙向光流複雜度降低及位元寬度控制的裝置及方法 |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW112132633A TWI866421B (zh) | 2018-09-21 | 2019-09-18 | 雙向光流複雜度降低及位元寬度控制的裝置及方法 |
| TW108133511A TWI834722B (zh) | 2018-09-21 | 2019-09-18 | 雙向光流複雜度降低及位元寬度控制的裝置及方法 |
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) | TW202516922A (https=) |
| WO (1) | WO2020061082A1 (https=) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IL281581B2 (en) | 2018-09-21 | 2025-05-01 | Vid Scale Inc | Complexity reduction and bit width control for bidirectional optical streaming |
| CN112913240B (zh) * | 2018-10-22 | 2024-08-06 | 北京字节跳动网络技术有限公司 | 解码器侧运动矢量推导和其他编解码工具之间的并置 |
| CN117880513A (zh) | 2018-10-22 | 2024-04-12 | 北京字节跳动网络技术有限公司 | 基于编解码信息的解码器侧运动矢量推导的限制 |
| CN118694931B (zh) | 2018-11-05 | 2025-12-02 | 北京字节跳动网络技术有限公司 | 编解码视频数据的方法、装置及计算机可读存储介质 |
| CN119922305A (zh) | 2018-12-21 | 2025-05-02 | 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 |
| MX2021008389A (es) * | 2019-01-09 | 2023-01-27 | Beijing Dajia Internet Information Tech Co Ltd | Sistema y metodo para mejorar la inter e intraprediccion combinada. |
| 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 |
| JP7232345B2 (ja) * | 2019-02-08 | 2023-03-02 | 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 | ビデオ符号化のための双方向オプティカルフローおよびデコーダ側動きベクトル補正を選択的に適用する方法およびデバイス |
| CN118573852A (zh) * | 2019-03-11 | 2024-08-30 | 松下电器（美国）知识产权公司 | 编码装置、解码装置、编码方法、解码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 |
| WO2021054886A1 (en) * | 2019-09-20 | 2021-03-25 | Telefonaktiebolaget Lm Ericsson (Publ) | Methods of video encoding and/or decoding with bidirectional optical flow simplification on shift operations and related apparatus |
| CN121173953A (zh) * | 2019-12-30 | 2025-12-19 | Oppo广东移动通信有限公司 | 帧间预测方法、编码器、解码器及存储介质 |
| 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 |
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| 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 |
| JPH06168239A (ja) | 1992-11-27 | 1994-06-14 | Toshiba Corp | 文書作成装置 |
| 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 |
| WO2016200984A1 (en) * | 2015-06-08 | 2016-12-15 | Vid Scale, Inc. | Intra block copy mode for screen content coding |
| US20180242004A1 (en) | 2015-08-23 | 2018-08-23 | 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 |
| US10986367B2 (en) * | 2016-11-04 | 2021-04-20 | Lg Electronics Inc. | Inter prediction mode-based image processing method and apparatus therefor |
| US10965955B2 (en) * | 2016-12-22 | 2021-03-30 | 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 |
| AU2018271194B2 (en) * | 2017-05-17 | 2021-04-08 | Kt Corporation | Method and device for video signal processing |
| 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) |
| JP7168593B2 (ja) * | 2017-07-03 | 2022-11-09 | ヴィド スケール インコーポレイテッド | 双方向オプティカルフローに基づいた動き補償予測 |
| CN111052742A (zh) * | 2017-09-30 | 2020-04-21 | 深圳市大疆创新科技有限公司 | 图像处理 |
| 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 |
| CN112272952B (zh) * | 2018-06-11 | 2022-07-01 | 寰发股份有限公司 | 用于视频编解码的双向光流的方法以及装置 |
| CN112930684B (zh) * | 2018-08-17 | 2023-10-13 | 寰发股份有限公司 | 在视频编解码系统中利用双向预测处理视频的方法、设备 |
| IL281581B2 (en) * | 2018-09-21 | 2025-05-01 | Vid Scale Inc | Complexity reduction and bit width control for bidirectional optical streaming |
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2019
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- 2019-09-17 KR KR1020217008062A patent/KR102708989B1/ko active Active
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- 2019-09-18 TW TW113143196A patent/TW202516922A/zh unknown
- 2019-09-18 TW TW112132633A patent/TWI866421B/zh active
- 2019-09-18 TW TW108133511A patent/TWI834722B/zh active
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2022
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| IL281581B2 (en) | 2025-05-01 |
| US12003703B2 (en) | 2024-06-04 |
| EP3854089A1 (en) | 2021-07-28 |
| CN118474345A (zh) | 2024-08-09 |
| US20230050213A1 (en) | 2023-02-16 |
| JP2022501906A (ja) | 2022-01-06 |
| TWI834722B (zh) | 2024-03-11 |
| US11470308B2 (en) | 2022-10-11 |
| JP7744485B2 (ja) | 2025-09-25 |
| JP7553659B2 (ja) | 2024-09-18 |
| JP7311589B2 (ja) | 2023-07-19 |
| US20230053233A1 (en) | 2023-02-16 |
| US20240205389A1 (en) | 2024-06-20 |
| IL281581A (en) | 2021-05-31 |
| KR20240142584A (ko) | 2024-09-30 |
| US20260039801A1 (en) | 2026-02-05 |
| CN112715030B (zh) | 2024-04-23 |
| JP2023118924A (ja) | 2023-08-25 |
| IL281581B1 (en) | 2025-01-01 |
| TWI866421B (zh) | 2024-12-11 |
| KR20210071958A (ko) | 2021-06-16 |
| KR102708989B1 (ko) | 2024-09-23 |
| US20220038679A1 (en) | 2022-02-03 |
| KR102937491B1 (ko) | 2026-03-10 |
| TW202402055A (zh) | 2024-01-01 |
| US11968358B2 (en) | 2024-04-23 |
| US12464117B2 (en) | 2025-11-04 |
| TW202025751A (zh) | 2020-07-01 |
| WO2020061082A1 (en) | 2020-03-26 |
| JP2024166257A (ja) | 2024-11-28 |
| CN112715030A (zh) | 2021-04-27 |
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