JP2022548142A - ビデオコーディングにおけるｂｄｏｆとｄｍｖｒとの調和された早期終了 - Google Patents

ビデオコーディングにおけるｂｄｏｆとｄｍｖｒとの調和された早期終了 Download PDF

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JP2022548142A
JP2022548142A JP2022516743A JP2022516743A JP2022548142A JP 2022548142 A JP2022548142 A JP 2022548142A JP 2022516743 A JP2022516743 A JP 2022516743A JP 2022516743 A JP2022516743 A JP 2022516743A JP 2022548142 A JP2022548142 A JP 2022548142A
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video
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JPWO2021061787A5 (https=
JP2022548142A5 (https=
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チェン、チュン－チ
ファン、ハン
チェン、ウェイ－ジュン
カルチェビチ、マルタ
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Qualcomm Inc
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Qualcomm Inc
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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
    • H04N19/557—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
    • H04N19/50—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
    • H04N19/10—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
    • H04N19/102—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
    • H04N19/537—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

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  • 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)
JP2022516743A 2019-09-23 2020-09-23 ビデオコーディングにおけるｂｄｏｆとｄｍｖｒとの調和された早期終了 Pending JP2022548142A (ja)

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 (3)

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JP2022548142A true JP2022548142A (ja) 2022-11-16
JPWO2021061787A5 JPWO2021061787A5 (https=) 2023-09-05
JP2022548142A5 JP2022548142A5 (https=) 2023-09-05

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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=)

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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 (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020197083A1 (ko) * 2019-03-22 2020-10-01 엘지전자 주식회사 Dmvr 및 bdof 기반의 인터 예측 방법 및 장치

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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

Patent Citations (2)

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WO2020197083A1 (ko) * 2019-03-22 2020-10-01 엘지전자 주식회사 Dmvr 및 bdof 기반의 인터 예측 방법 및 장치
JP2021518996A (ja) * 2019-03-22 2021-08-05 エルジー エレクトロニクス インコーポレイティド Ｄｍｖｒおよびｂｄｏｆベースのインター予測方法および装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
BENJAMIN BROSS, ET AL.: ""Versatile Video Coding (Draft 5)"", DOCUMENT: JVET-N1001-V8, [ONLINE], vol. JVET-O0503 (version 3), JPN6024036454, 3 July 2019 (2019-07-03), pages 5 - 124, ISSN: 0005412560 *

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MX2022003404A (es) 2022-04-18
EP4035380A1 (en) 2022-08-03
US20210092427A1 (en) 2021-03-25
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
CN114402608A (zh) 2022-04-26

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