KR102708989B1 - 양방향 옵티컬 플로우를 위한 복잡도 감소 및 비트 폭 제어 - Google Patents

양방향 옵티컬 플로우를 위한 복잡도 감소 및 비트 폭 제어 Download PDF

Info

Publication number
KR102708989B1
KR102708989B1 KR1020217008062A KR20217008062A KR102708989B1 KR 102708989 B1 KR102708989 B1 KR 102708989B1 KR 1020217008062 A KR1020217008062 A KR 1020217008062A KR 20217008062 A KR20217008062 A KR 20217008062A KR 102708989 B1 KR102708989 B1 KR 102708989B1
Authority
KR
South Korea
Prior art keywords
array
tuning
component
prediction
bit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
KR1020217008062A
Other languages
English (en)
Korean (ko)
Other versions
KR20210071958A (ko
Inventor
샤오유 시우
유웬 헤
얀 예
지안콩 루오
Original Assignee
브이아이디 스케일, 인크.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 브이아이디 스케일, 인크. filed Critical 브이아이디 스케일, 인크.
Priority to KR1020247030758A priority Critical patent/KR102937491B1/ko
Publication of KR20210071958A publication Critical patent/KR20210071958A/ko
Application granted granted Critical
Publication of KR102708989B1 publication Critical patent/KR102708989B1/ko
Assigned to 인터디지털 브이씨 홀딩스 인코포레이티드 reassignment 인터디지털 브이씨 홀딩스 인코포레이티드 권리의 전부이전등록 Assignors: 브이아이디 스케일, 인크.
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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)
KR1020217008062A 2018-09-21 2019-09-17 양방향 옵티컬 플로우를 위한 복잡도 감소 및 비트 폭 제어 Active KR102708989B1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020247030758A KR102937491B1 (ko) 2018-09-21 2019-09-17 양방향 옵티컬 플로우를 위한 복잡도 감소 및 비트 폭 제어

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US201862734763P 2018-09-21 2018-09-21
US62/734,763 2018-09-21
US201862738655P 2018-09-28 2018-09-28
US62/738,655 2018-09-28
US201962789331P 2019-01-07 2019-01-07
US62/789,331 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

Related Child Applications (1)

Application Number Title Priority Date Filing Date
KR1020247030758A Division KR102937491B1 (ko) 2018-09-21 2019-09-17 양방향 옵티컬 플로우를 위한 복잡도 감소 및 비트 폭 제어

Publications (2)

Publication Number Publication Date
KR20210071958A KR20210071958A (ko) 2021-06-16
KR102708989B1 true KR102708989B1 (ko) 2024-09-23

Family

ID=68104762

Family Applications (2)

Application Number Title Priority Date Filing Date
KR1020217008062A Active KR102708989B1 (ko) 2018-09-21 2019-09-17 양방향 옵티컬 플로우를 위한 복잡도 감소 및 비트 폭 제어
KR1020247030758A Active KR102937491B1 (ko) 2018-09-21 2019-09-17 양방향 옵티컬 플로우를 위한 복잡도 감소 및 비트 폭 제어

Family Applications After (1)

Application Number Title Priority Date Filing Date
KR1020247030758A Active KR102937491B1 (ko) 2018-09-21 2019-09-17 양방향 옵티컬 플로우를 위한 복잡도 감소 및 비트 폭 제어

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)

* Cited by examiner, † Cited by third party
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

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Alshin Alexander, et al., "Bi-directional optical flow for future video codec", 2016 Data Compression Conference (DCC)(2016.04.01.)*

Also Published As

Publication number Publication date
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
TW202516922A (zh) 2025-04-16
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
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

Similar Documents

Publication Publication Date Title
KR102708989B1 (ko) 양방향 옵티컬 플로우를 위한 복잡도 감소 및 비트 폭 제어
JP2024029161A (ja) デコーダ側動きリファインメントのコーディング待ち時間を低減させる方法および装置
JP7700337B2 (ja) オプティカルフローによる動き補償のための精度精緻化
EP3935849A1 (en) Affine motion model derivation method
US20250168350A1 (en) Methods and systems for post-reconstruction filtering
US12177452B2 (en) Inter prediction bandwidth reduction method with optical flow compensation

Legal Events

Date Code Title Description
PA0105 International application

Patent event date: 20210317

Patent event code: PA01051R01D

Comment text: International Patent Application

PG1501 Laying open of application
A201 Request for examination
PA0201 Request for examination

Patent event code: PA02012R01D

Patent event date: 20220401

Comment text: Request for Examination of Application

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 20231110

Patent event code: PE09021S01D

PE0701 Decision of registration

Patent event code: PE07011S01D

Comment text: Decision to Grant Registration

Patent event date: 20240626

GRNT Written decision to grant
PR0701 Registration of establishment

Comment text: Registration of Establishment

Patent event date: 20240919

Patent event code: PR07011E01D

PR1002 Payment of registration fee

Payment date: 20240919

End annual number: 3

Start annual number: 1

PG1601 Publication of registration