JP7553460B2 - オプティカルフローによるデコーダ側動きベクトル精緻化についての予測精緻化のための方法および装置 - Google Patents

オプティカルフローによるデコーダ側動きベクトル精緻化についての予測精緻化のための方法および装置 Download PDF

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JP7553460B2
JP7553460B2 JP2021557372A JP2021557372A JP7553460B2 JP 7553460 B2 JP7553460 B2 JP 7553460B2 JP 2021557372 A JP2021557372 A JP 2021557372A JP 2021557372 A JP2021557372 A JP 2021557372A JP 7553460 B2 JP7553460 B2 JP 7553460B2
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チェン、ウェイ
フ、ユーウェン
ルオ、チャンコン
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ヴィド スケール インコーポレイテッド
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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
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • 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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/109—Selection of coding mode or of prediction mode among a plurality of temporal predictive coding modes
    • 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
    • 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
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • 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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  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2021557372A 2019-03-26 2020-03-26 オプティカルフローによるデコーダ側動きベクトル精緻化についての予測精緻化のための方法および装置 Active JP7553460B2 (ja)

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US201962823935P 2019-03-26 2019-03-26
US62/823,935 2019-03-26
PCT/US2020/024996 WO2020198497A1 (en) 2019-03-26 2020-03-26 Methods and apparatus for prediction refinement for decoder side motion vector refinement with optical flow

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JP2022526943A JP2022526943A (ja) 2022-05-27
JP2022526943A5 JP2022526943A5 (https=) 2023-04-05
JPWO2020198497A5 JPWO2020198497A5 (https=) 2023-04-05
JP7553460B2 true JP7553460B2 (ja) 2024-09-18

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US (1) US12341969B2 (https=)
EP (1) EP3949416A1 (https=)
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US20240236332A1 (en) * 2021-06-30 2024-07-11 Telefonaktiebolaget Lm Ericsson (Publ) Overlapped decoder side motion refinement
US12388977B2 (en) * 2022-04-25 2025-08-12 Tencent America LLC Affine models use in affine bilateral matching
CN119744532A (zh) * 2022-08-23 2025-04-01 三星电子株式会社 图像解码方法和设备以及图像编码方法和设备
US12445640B2 (en) * 2022-09-29 2025-10-14 Qualcomm Incorporated Methods of subblock skipping for affine motion search for video coding
US12563198B2 (en) * 2022-10-11 2026-02-24 Qualcomm Incorporated Regression-based decoder side affine motion derivation for video coding
CA3266823A1 (en) * 2022-10-11 2024-04-18 Qualcomm Incorporated Decoder-side affine motion derivation based on regression for video encoding
IL326134A (en) * 2023-10-06 2026-03-01 Qualcomm Inc Using local illumination compensation and delta motion vector enhancement together in video encoding
CN117593211B (zh) * 2023-12-15 2024-09-24 书行科技(北京)有限公司 视频处理方法、装置、电子设备及存储介质

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PL3414900T3 (pl) 2016-03-15 2025-10-27 Hfi Innovation Inc. Sposób oraz urządzenie do kodowania wideo z afiniczną kompensacją ruchu
US10560712B2 (en) 2016-05-16 2020-02-11 Qualcomm Incorporated Affine motion prediction for video coding
US10523964B2 (en) * 2017-03-13 2019-12-31 Qualcomm Incorporated Inter prediction refinement based on bi-directional optical flow (BIO)
US10701390B2 (en) 2017-03-14 2020-06-30 Qualcomm Incorporated Affine motion information derivation
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JP7261750B2 (ja) 2017-06-26 2023-04-20 インターデジタル ヴイシー ホールディングス， インコーポレイテッド 動き補償のための複数の予測子候補
EP3422720A1 (en) 2017-06-26 2019-01-02 Thomson Licensing Multiple predictor candidates for motion compensation
EP4221223A1 (en) * 2019-02-07 2023-08-02 Vid Scale, Inc. Systems, apparatus and methods for inter prediction refinement with optical flow
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Title
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Jiancong (Daniel) Luo, Yuwen He，CE4: Prediction refinement with optical flow for affine mode (Test 2.1)，Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11，JVET-O0070，15th Meeting: Gothenburg, SE，2019年06月，pp.1-4
Wei Chen, and Yuwen He，Non-CE9: Block Boundary Prediction Refinement with Optical Flow for DMVR，Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11，JVET-O0581，15th Meeting: Gothenburg, SE，2019年07月，pp.1-3

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CN113826400A (zh) 2021-12-21
JP2022526943A (ja) 2022-05-27
EP3949416A1 (en) 2022-02-09
WO2020198497A1 (en) 2020-10-01
US20220191502A1 (en) 2022-06-16
US12341969B2 (en) 2025-06-24

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