CN113826400A - 用于利用光流的解码器侧运动向量细化的预测细化的方法和装置 - Google Patents

用于利用光流的解码器侧运动向量细化的预测细化的方法和装置 Download PDF

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CN113826400A
CN113826400A CN202080036097.5A CN202080036097A CN113826400A CN 113826400 A CN113826400 A CN 113826400A CN 202080036097 A CN202080036097 A CN 202080036097A CN 113826400 A CN113826400 A CN 113826400A
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sub
block
motion vector
blocks
pixel
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Chinese (zh)
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陈伟
贺玉文
罗健聪
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InterDigital VC Holdings Inc
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Vid Scale 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
    • H04N19/10—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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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
CN202080036097.5A 2019-03-26 2020-03-26 用于利用光流的解码器侧运动向量细化的预测细化的方法和装置 Pending CN113826400A (zh)

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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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US (1) US12341969B2 (https=)
EP (1) EP3949416A1 (https=)
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WO (1) WO2020198497A1 (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

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CN109155855A (zh) * 2016-05-16 2019-01-04 高通股份有限公司 用于视频译码的仿射运动预测
TW201907728A (zh) * 2017-05-19 2019-02-16 美商松下電器（美國）知識產權公司 編碼裝置、解碼裝置、編碼方法及解碼方法

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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
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
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US20200296405A1 (en) * 2019-03-14 2020-09-17 Qualcomm Incorporated Affine motion compensation refinement using optical flow
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US20180262773A1 (en) * 2017-03-13 2018-09-13 Qualcomm Incorporated Inter prediction refinement based on bi-directional optical flow (bio)
US20180270500A1 (en) * 2017-03-14 2018-09-20 Qualcomm Incorporated Affine motion information derivation
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JP7553460B2 (ja) 2024-09-18
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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