KR20240095362A - 부호화 장치, 복호 장치, 부호화 방법 및 복호 방법 - Google Patents

부호화 장치, 복호 장치, 부호화 방법 및 복호 방법 Download PDF

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KR20240095362A
KR20240095362A KR1020247019452A KR20247019452A KR20240095362A KR 20240095362 A KR20240095362 A KR 20240095362A KR 1020247019452 A KR1020247019452 A KR 1020247019452A KR 20247019452 A KR20247019452 A KR 20247019452A KR 20240095362 A KR20240095362 A KR 20240095362A
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unit
encoding
block
processing
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Korean (ko)
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기요후미 아베
다카히로 니시
다다마사 도마
류이치 가노
Original Assignee
파나소닉 인텔렉츄얼 프로퍼티 코포레이션 오브 아메리카
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Publication of KR20240095362A publication Critical patent/KR20240095362A/ko
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/103Selection of coding mode or of prediction mode
    • H04N19/105Selection 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/103Selection of coding mode or of prediction mode
    • H04N19/109Selection of coding mode or of prediction mode among a plurality of temporal predictive coding modes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/132Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/136Incoming video signal characteristics or properties
    • H04N19/137Motion inside a coding unit, e.g. average field, frame or block difference
    • H04N19/139Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/157Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • H04N19/176Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/186Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/42Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/423Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/513Processing of motion vectors
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/513Processing of motion vectors
    • H04N19/517Processing of motion vectors by encoding
    • H04N19/52Processing of motion vectors by encoding by predictive encoding

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
KR1020247019452A 2017-06-26 2018-06-19 부호화 장치, 복호 장치, 부호화 방법 및 복호 방법 Pending KR20240095362A (ko)

Applications Claiming Priority (4)

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US201762525004P 2017-06-26 2017-06-26
US62/525,004 2017-06-26
KR1020197037812A KR102675747B1 (ko) 2017-06-26 2018-06-19 부호화 장치, 복호 장치, 부호화 방법 및 복호 방법
PCT/JP2018/023207 WO2019003993A1 (ja) 2017-06-26 2018-06-19 符号化装置、復号装置、符号化方法及び復号方法

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KR1020197037812A Active KR102675747B1 (ko) 2017-06-26 2018-06-19 부호화 장치, 복호 장치, 부호화 방법 및 복호 방법

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US (5) US10812793B2 (https=)
EP (2) EP4492789A1 (https=)
JP (6) JPWO2019003993A1 (https=)
KR (2) KR20240095362A (https=)
CN (4) CN113747174B (https=)
TW (6) TWI824971B (https=)
WO (1) WO2019003993A1 (https=)

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TW202425646A (zh) 2024-06-16
JP7568875B2 (ja) 2024-10-16
TWI892305B (zh) 2025-08-01
WO2019003993A1 (ja) 2019-01-03
KR102675747B1 (ko) 2024-06-18
CN113747173B (zh) 2023-12-01
TW202335507A (zh) 2023-09-01
EP4492789A1 (en) 2025-01-15
CN113784144A (zh) 2021-12-10
JP2024177390A (ja) 2024-12-19
US12238278B2 (en) 2025-02-25
US20230412795A1 (en) 2023-12-21
US20200413043A1 (en) 2020-12-31
JP7422811B2 (ja) 2024-01-26
US20250159134A1 (en) 2025-05-15
TW201918072A (zh) 2019-05-01
TWI824971B (zh) 2023-12-01
US11350085B2 (en) 2022-05-31
CN113747174A (zh) 2021-12-03
US11785209B2 (en) 2023-10-10
TW202249489A (zh) 2022-12-16
TWI803420B (zh) 2023-05-21
CN110786011B (zh) 2021-09-24
CN113784144B (zh) 2023-11-28
TWI758500B (zh) 2022-03-21
JP2020184808A (ja) 2020-11-12
JP7751050B2 (ja) 2025-10-07
CN113747173A (zh) 2021-12-03
TW202543283A (zh) 2025-11-01
CN110786011A (zh) 2020-02-11
EP3627838A4 (en) 2020-04-08
US20200145651A1 (en) 2020-05-07
JP2022111281A (ja) 2022-07-29
JP7087030B2 (ja) 2022-06-20
TWI780006B (zh) 2022-10-01
JP2025182011A (ja) 2025-12-11
EP3627838A1 (en) 2020-03-25
US20220201289A1 (en) 2022-06-23
CN113747174B (zh) 2023-11-28
EP3627838B1 (en) 2024-10-09
US10812793B2 (en) 2020-10-20
KR20200020721A (ko) 2020-02-26
JPWO2019003993A1 (ja) 2019-12-26
JP2024026793A (ja) 2024-02-28
TW202224436A (zh) 2022-06-16

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Patent event date: 20240611

Application number text: 1020197037812

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