CA3150772A1 - Harmonized early termination in bdof and dmvr in video coding - Google Patents

Harmonized early termination in bdof and dmvr in video coding

Info

Publication number
CA3150772A1
CA3150772A1 CA3150772A CA3150772A CA3150772A1 CA 3150772 A1 CA3150772 A1 CA 3150772A1 CA 3150772 A CA3150772 A CA 3150772A CA 3150772 A CA3150772 A CA 3150772A CA 3150772 A1 CA3150772 A1 CA 3150772A1
Authority
CA
Canada
Prior art keywords
block
current block
current
picture
video
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
CA3150772A
Other languages
English (en)
French (fr)
Inventor
Chun-Chi Chen
Han HUANG
Wei-Jung Chien
Marta Karczewicz
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 CA3150772A1 publication Critical patent/CA3150772A1/en
Pending legal-status Critical Current

Links

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
    • H04N19/169—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
    • H04N19/50—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
    • H04N19/176—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)
CA3150772A 2019-09-23 2020-09-23 Harmonized early termination in bdof and dmvr in video coding Pending CA3150772A1 (en)

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
CA3150772A1 true CA3150772A1 (en) 2021-04-01

Family

ID=74881397

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3150772A Pending CA3150772A1 (en) 2019-09-23 2020-09-23 Harmonized early termination in bdof and dmvr in video coding

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

Family Cites Families (6)

* 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
US11638027B2 (en) * 2016-08-08 2023-04-25 Hfi Innovation, Inc. Pattern-based motion vector derivation for video coding
US10965955B2 (en) * 2016-12-22 2021-03-30 Mediatek Inc. Method and apparatus of motion refinement for 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

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
WO2021061787A1 (en) 2021-04-01
PH12022550382A1 (en) 2023-12-04
CN114402608A (zh) 2022-04-26

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