CN114402608A - 视频编解码中bdof和dmvr的协调早期终止 - Google Patents

视频编解码中bdof和dmvr的协调早期终止 Download PDF

Info

Publication number
CN114402608A
CN114402608A CN202080064947.2A CN202080064947A CN114402608A CN 114402608 A CN114402608 A CN 114402608A CN 202080064947 A CN202080064947 A CN 202080064947A CN 114402608 A CN114402608 A CN 114402608A
Authority
CN
China
Prior art keywords
block
current block
current
picture
bdof
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.)
Pending
Application number
CN202080064947.2A
Other languages
English (en)
Chinese (zh)
Inventor
C-C.陈
H.黄
W-J.钱
M.卡尔切维茨
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qualcomm Inc
Original Assignee
Qualcomm Inc
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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of CN114402608A publication Critical patent/CN114402608A/zh
Pending legal-status Critical Current

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
    • H04N19/50—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
    • H04N19/557—Motion estimation characterised by stopping computation or iteration based on certain criteria, e.g. error magnitude being too large or early exit
    • 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
    • H04N19/169—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
    • H04N19/172—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 picture, frame or field
    • 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
    • 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
    • H04N19/537—Motion estimation other than block-based
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
CN202080064947.2A 2019-09-23 2020-09-23 视频编解码中bdof和dmvr的协调早期终止 Pending CN114402608A (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201962904528P 2019-09-23 2019-09-23
US62/904,528 2019-09-23
US17/028,599 US20210092427A1 (en) 2019-09-23 2020-09-22 Harmonized early termination in bdof and dmvr in video coding
US17/028,599 2020-09-22
PCT/US2020/052238 WO2021061787A1 (en) 2019-09-23 2020-09-23 Harmonized early termination in bdof and dmvr in video coding

Publications (1)

Publication Number Publication Date
CN114402608A true CN114402608A (zh) 2022-04-26

Family

ID=74881397

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202080064947.2A Pending CN114402608A (zh) 2019-09-23 2020-09-23 视频编解码中bdof和dmvr的协调早期终止

Country Status (10)

Country Link
US (1) US20210092427A1 (https=)
EP (1) EP4035380A1 (https=)
JP (1) JP2022548142A (https=)
KR (1) KR20220062521A (https=)
CN (1) CN114402608A (https=)
CA (1) CA3150772A1 (https=)
MX (1) MX2022003404A (https=)
PH (1) PH12022550382A1 (https=)
TW (1) TW202114426A (https=)
WO (1) WO2021061787A1 (https=)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20250143124A (ko) * 2019-04-25 2025-09-30 베이징 다지아 인터넷 인포메이션 테크놀로지 컴퍼니 리미티드 광학 흐름에 의한 예측 미세화 방법 및 장치
CN118202656A (zh) * 2021-11-30 2024-06-14 北京达佳互联信息技术有限公司 视频编解码中考虑边界外条件的运动补偿
EP4449720A4 (en) * 2021-12-16 2025-12-03 Beijing Dajia Internet Information Tech Co Ltd METHODS AND DEVICES FOR DERIVATING CANDIDATES FOR AN AFFINE FUSION MODE IN A VIDEO CODING
US12368879B2 (en) 2022-03-25 2025-07-22 Tencent America LLC Method and apparatus adaptive constraint on bi-prediction for out-of-boundary conditions
WO2024061363A1 (en) * 2022-09-22 2024-03-28 Mediatek Inc. Method and apparatus for video coding

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109565590A (zh) * 2016-08-08 2019-04-02 联发科技股份有限公司 用于视频编解码的基于模型的运动向量推导
CN110115032A (zh) * 2016-12-22 2019-08-09 联发科技股份有限公司 用于视频编解码的运动细化的方法以及装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11330284B2 (en) * 2015-03-27 2022-05-10 Qualcomm Incorporated Deriving motion information for sub-blocks in video coding
US10491917B2 (en) * 2017-03-22 2019-11-26 Qualcomm Incorporated Decoder-side motion vector derivation
ES2984932T3 (es) * 2018-09-13 2024-10-31 Huawei Tech Co Ltd Aparato y método para refinamiento condicional de vector de movimiento del lado del decodificador en codificación de vídeo
KR102664876B1 (ko) * 2019-03-22 2024-05-10 로즈데일 다이나믹스 엘엘씨 Dmvr 및 bdof 기반의 인터 예측 방법 및 장치

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109565590A (zh) * 2016-08-08 2019-04-02 联发科技股份有限公司 用于视频编解码的基于模型的运动向量推导
CN110115032A (zh) * 2016-12-22 2019-08-09 联发科技股份有限公司 用于视频编解码的运动细化的方法以及装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
HONGBIN LIU等: "CE9-related: Disabling DMVR and BDOF when underlying assumptions are false", JVET OF ITU-T SG 16 WP 3 AND ISO/IEC JTC 1/SC 29/WG 11, no. 0440, 27 March 2019 (2019-03-27), pages 1 - 5 *

Also Published As

Publication number Publication date
MX2022003404A (es) 2022-04-18
EP4035380A1 (en) 2022-08-03
US20210092427A1 (en) 2021-03-25
JP2022548142A (ja) 2022-11-16
TW202114426A (zh) 2021-04-01
KR20220062521A (ko) 2022-05-17
CA3150772A1 (en) 2021-04-01
WO2021061787A1 (en) 2021-04-01
PH12022550382A1 (en) 2023-12-04

Similar Documents

Publication Publication Date Title
TWI819100B (zh) 用於仿射模式之以歷史為基礎之運動向量預測
TWI843809B (zh) 用於視訊寫碼中具有運動向量差之合併模式之信令傳輸
TWI853918B (zh) 用於視訊寫碼之區塊內複製合併資料語法
US10958928B2 (en) Decoder-side motion vector derivation for video coding
JP2022521979A (ja) デコーダ側動きベクトル改良に対する制約
TW202123699A (zh) 具有協調的運動場儲存及運動補償的幾何分區模式
TWI878242B (zh) 向量預測器清單之產生
CN113950839B (zh) 用于视频译码的基于梯度的预测精化
CN114402608A (zh) 视频编解码中bdof和dmvr的协调早期终止
CN112534820A (zh) 信令通知子预测单元运动矢量预测器
TW202038609A (zh) 用於視訊寫碼之共享候選清單及平行候選清單推導
CN113940078A (zh) 视频编解码中的双向光流计算的简化
US11051035B2 (en) Processing of illegal motion vectors for intra block copy mode in video coding
US11528504B2 (en) Motion vector prediction with motion information collecting buffer
EP4646846A1 (en) Template matching for flipped intra block copy
CN113170163B (zh) 用于视频译码中最坏情况下带宽减少的限制
CN114731429B (zh) 视频译码中运动矢量细化过程的提前终止
US20200267415A1 (en) Chroma deblocking filter for intra block copy mode for video coding
JP7832938B2 (ja) マルチパスデコーダ側動きベクトル改良
US20250008082A1 (en) Block vector search for intra-block copy prediction for coding video data
WO2024148066A1 (en) Template matching for flipped intra block copy
HK40067721A (en) Simplification of bi-directional optical flow calculation in video coding
HK40067721B (en) Method and device for simplification of bi-directional optical flow calculation in video coding
HK40093380A (zh) 多遍次解码器侧运动向量细化
CN114342404A (zh) 在用于视频编解码的较高语法级别处信令通知的常量条带标头参数

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20220426

WD01 Invention patent application deemed withdrawn after publication