KR102678765B1 - 비디오 코딩을 위한 방법 및 장치 - Google Patents

비디오 코딩을 위한 방법 및 장치 Download PDF

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KR102678765B1
KR102678765B1 KR1020237040084A KR20237040084A KR102678765B1 KR 102678765 B1 KR102678765 B1 KR 102678765B1 KR 1020237040084 A KR1020237040084 A KR 1020237040084A KR 20237040084 A KR20237040084 A KR 20237040084A KR 102678765 B1 KR102678765 B1 KR 102678765B1
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구이춘 리
샹 리
샤오중 쉬
산 류
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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
    • H04N19/10—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
    • H04N19/102—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
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • 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
    • H04N19/10—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
    • H04N19/10—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
    • H04N19/186—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 a colour or a chrominance component
    • 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
    • H04N19/577—Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
    • 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
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards

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  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
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US201962836598P 2019-04-19 2019-04-19
US62/836,598 2019-04-19
US16/851,052 2020-04-16
US16/851,052 US11039150B2 (en) 2019-04-19 2020-04-16 Method and apparatus for video coding
PCT/US2020/028768 WO2020214953A1 (en) 2019-04-19 2020-04-17 Method and apparatus for video coding
KR1020217021655A KR102606201B1 (ko) 2019-04-19 2020-04-17 비디오 코딩을 위한 방법 및 장치

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KR1020247020882A Active KR102828558B1 (ko) 2019-04-19 2020-04-17 비디오 코딩을 위한 방법 및 장치
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US (4) US11039150B2 (https=)
EP (1) EP3957066A4 (https=)
JP (5) JP7252342B2 (https=)
KR (4) KR102678765B1 (https=)
CN (2) CN113557728B (https=)
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CN120302048A (zh) * 2019-08-22 2025-07-11 Lg电子株式会社 图像解码方法、图像编码方法和比特流发送方法
US11375221B2 (en) * 2020-02-12 2022-06-28 Tencent America LLC Method and apparatus for cross-component filtering
US12081736B2 (en) * 2021-04-26 2024-09-03 Tencent America LLC Bi-prediction without signaling cu-level weights
CN116506619B (zh) * 2022-04-27 2024-10-29 杭州海康威视数字技术股份有限公司 一种解码、编码方法、装置及其设备
US12200192B2 (en) * 2022-07-08 2025-01-14 Tencent America LLC Method and apparatus for bi-prediction with sample adaptive weights
WO2024061363A1 (en) * 2022-09-22 2024-03-28 Mediatek Inc. Method and apparatus for video coding
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WO2025162451A1 (en) * 2024-02-03 2025-08-07 Beijing Dajia Internet Information Technology Co., Ltd. Methods, apparatus, medium and computer program product for video coding

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JP7252342B2 (ja) 2023-04-04
AU2020260150B2 (en) 2022-11-10
JP2025131813A (ja) 2025-09-09
CN113557728B (zh) 2024-05-03
US12604016B2 (en) 2026-04-14
SG11202108999TA (en) 2021-09-29
KR20250105688A (ko) 2025-07-08
CA3131897A1 (en) 2020-10-22
US20230092028A1 (en) 2023-03-23
AU2020260150A1 (en) 2021-09-09
JP7698101B2 (ja) 2025-06-24
EP3957066A4 (en) 2022-06-29
US11039150B2 (en) 2021-06-15
JP7849548B2 (ja) 2026-04-21
CN113557728A (zh) 2021-10-26
KR20240101720A (ko) 2024-07-02
KR20210094096A (ko) 2021-07-28
JP7480382B2 (ja) 2024-05-09
US11575917B2 (en) 2023-02-07
JP2024097034A (ja) 2024-07-17
JP2023078388A (ja) 2023-06-06
EP3957066A1 (en) 2022-02-23
KR20230165358A (ko) 2023-12-05
US20200336749A1 (en) 2020-10-22
US12075068B2 (en) 2024-08-27
US20240373041A1 (en) 2024-11-07
JP2022516251A (ja) 2022-02-25
KR102828558B1 (ko) 2025-07-03
KR102606201B1 (ko) 2023-11-29
US20210281863A1 (en) 2021-09-09
JP2025172837A (ja) 2025-11-26
CN118450121A (zh) 2024-08-06
WO2020214953A1 (en) 2020-10-22

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