KR102458138B1 - 비디오 코딩을 위한 방법 및 장치 - Google Patents

비디오 코딩을 위한 방법 및 장치 Download PDF

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KR102458138B1
KR102458138B1 KR1020207026329A KR20207026329A KR102458138B1 KR 102458138 B1 KR102458138 B1 KR 102458138B1 KR 1020207026329 A KR1020207026329 A KR 1020207026329A KR 20207026329 A KR20207026329 A KR 20207026329A KR 102458138 B1 KR102458138 B1 KR 102458138B1
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motion vector
candidate motion
video
vector predictor
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KR20200116524A (ko
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샹 리
샤오중 쉬
산 류
신 자오
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텐센트 아메리카 엘엘씨
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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
    • H04N19/56—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
    • H04N19/513—Processing of motion vectors
    • H04N19/517—Processing of motion vectors by encoding
    • H04N19/52—Processing of motion vectors by encoding by predictive encoding
    • 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
    • H04N19/134—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
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame 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
    • H04N19/50—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
    • H04N19/573—Motion compensation with multiple frame prediction using two or more reference frames in a given prediction direction
    • 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)
  • Compression Or Coding Systems Of Tv Signals (AREA)
KR1020207026329A 2018-06-01 2019-05-16 비디오 코딩을 위한 방법 및 장치 Active KR102458138B1 (ko)

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US201862679642P 2018-06-01 2018-06-01
US62/679,642 2018-06-01
US16/203,145 US10469869B1 (en) 2018-06-01 2018-11-28 Method and apparatus for video coding
US16/203,145 2018-11-28
PCT/US2019/032672 WO2019231706A1 (en) 2018-06-01 2019-05-16 Method and apparatus for video coding

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KR102458138B1 true KR102458138B1 (ko) 2022-10-25

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EP (1) EP3804330A4 (enExample)
JP (1) JP7096896B2 (enExample)
KR (1) KR102458138B1 (enExample)
CN (1) CN112106371B (enExample)
WO (1) WO2019231706A1 (enExample)

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CN121002851A (zh) * 2023-04-07 2025-11-21 谷歌有限责任公司 使用可用外围像素的模板匹配
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US10469869B1 (en) 2019-11-05
KR20200116524A (ko) 2020-10-12
WO2019231706A1 (en) 2019-12-05
CN112106371A (zh) 2020-12-18
JP7096896B2 (ja) 2022-07-06
US20200021843A1 (en) 2020-01-16
US11012707B2 (en) 2021-05-18
CN112106371B (zh) 2022-09-09
JP2021517392A (ja) 2021-07-15
EP3804330A1 (en) 2021-04-14
EP3804330A4 (en) 2022-03-16

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