TW202114426A - 視訊編碼中的bdof和dmvr的協調提前終止 - Google Patents

視訊編碼中的bdof和dmvr的協調提前終止 Download PDF

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TW202114426A
TW202114426A TW109132875A TW109132875A TW202114426A TW 202114426 A TW202114426 A TW 202114426A TW 109132875 A TW109132875 A TW 109132875A TW 109132875 A TW109132875 A TW 109132875A TW 202114426 A TW202114426 A TW 202114426A
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Taiwan
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video
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TW109132875A
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陳俊啟
黃翰
錢偉榮
瑪塔 卡克基維克茲
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美商高通公司
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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
    • H04N19/10—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
    • H04N19/513—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

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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)
TW109132875A 2019-09-23 2020-09-23 視訊編碼中的bdof和dmvr的協調提前終止 TW202114426A (zh)

Applications Claiming Priority (4)

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

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TW202114426A true TW202114426A (zh) 2021-04-01

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

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EP3942824B1 (en) * 2019-04-25 2026-03-18 Beijing Dajia Internet Information Technology Co., Ltd. Methods and apparatuses for prediction refinement with optical flow
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

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US10958927B2 (en) * 2015-03-27 2021-03-23 Qualcomm Incorporated Motion information derivation mode determination in video coding
US11638027B2 (en) * 2016-08-08 2023-04-25 Hfi Innovation, Inc. Pattern-based motion vector derivation for video coding
EP3556096B1 (en) * 2016-12-22 2024-05-22 HFI Innovation 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
SG11202102569QA (en) * 2018-09-13 2021-04-29 Huawei Tech Co Ltd Apparatus and method for conditional decoder-side motion vector refinement in video coding
CN118118658A (zh) * 2019-03-22 2024-05-31 罗斯德尔动力有限责任公司 基于dmvr和bdof的帧间预测方法及其设备

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PH12022550382A1 (en) 2023-12-04
JP2022548142A (ja) 2022-11-16
CN114402608A (zh) 2022-04-26
WO2021061787A1 (en) 2021-04-01
CA3150772A1 (en) 2021-04-01
MX2022003404A (es) 2022-04-18
KR20220062521A (ko) 2022-05-17
US20210092427A1 (en) 2021-03-25
EP4035380A1 (en) 2022-08-03

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