WO2017188780A3 - 영상 신호 부호화/복호화 방법 및 장치 - Google Patents

영상 신호 부호화/복호화 방법 및 장치 Download PDF

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WO2017188780A3
WO2017188780A3 PCT/KR2017/004571 KR2017004571W WO2017188780A3 WO 2017188780 A3 WO2017188780 A3 WO 2017188780A3 KR 2017004571 W KR2017004571 W KR 2017004571W WO 2017188780 A3 WO2017188780 A3 WO 2017188780A3
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Prior art keywords
video signal
encoding
decoding video
decoding
decoding block
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PCT/KR2017/004571
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English (en)
French (fr)
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WO2017188780A2 (ko
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문주희
임성원
원동재
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인텔렉추얼디스커버리 주식회사
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Priority to EP17789964.8A priority Critical patent/EP3451667A4/en
Priority to CN202311473282.2A priority patent/CN117499651A/zh
Application filed by 인텔렉추얼디스커버리 주식회사 filed Critical 인텔렉추얼디스커버리 주식회사
Priority to CN202311469935.XA priority patent/CN117499649A/zh
Priority to CN202311468139.4A priority patent/CN117499647A/zh
Priority to CN201780040684.XA priority patent/CN109417633B/zh
Priority to US16/096,845 priority patent/US20190141319A1/en
Priority to CN202311464483.6A priority patent/CN117499645A/zh
Priority to EP20187319.7A priority patent/EP3783890A1/en
Priority to KR1020187029181A priority patent/KR102391235B1/ko
Priority to CN202311466643.0A priority patent/CN117499646A/zh
Priority to KR1020227013585A priority patent/KR102583569B1/ko
Priority to CN202311468145.XA priority patent/CN117499648A/zh
Priority to CN202311473250.2A priority patent/CN117499650A/zh
Publication of WO2017188780A2 publication Critical patent/WO2017188780A2/ko
Publication of WO2017188780A3 publication Critical patent/WO2017188780A3/ko
Priority to US18/351,454 priority patent/US20230362364A1/en

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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
    • H04N19/11—Selection of coding mode or of prediction mode among a plurality of spatial 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • 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
    • H04N19/107—Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh
    • 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
    • H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • 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
    • H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
    • 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
    • H04N19/124—Quantisation
    • 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
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • H04N19/33—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability in the spatial domain
    • 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
    • H04N19/42—Methods 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
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • H04N19/463—Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
    • 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
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)

Abstract

본 발명에 따른 영상 신호 복호화 방법은, 현재 복호화 블록이 2개의 부분 블록으로 분할되는지 여부를 나타내는 분할 정보를 복호화하는 단계, 상기 분할 정보가 상기 현재 복호화 블록이 2개의 부분 블록으로 분할됨을 나타내는 경우, 상기 현재 복호화 블록에 대한 분할 방향을 나타내는 정보를 복호화하는 단계, 및 상기 분할 방향에 따라, 상기 현재 복호화 블록을 2개의 부분 블록으로 분할하는 단계를 포함할 수 있다.
PCT/KR2017/004571 2016-04-29 2017-04-28 영상 신호 부호화/복호화 방법 및 장치 WO2017188780A2 (ko)

Priority Applications (14)

Application Number Priority Date Filing Date Title
KR1020187029181A KR102391235B1 (ko) 2016-04-29 2017-04-28 영상 신호 부호화/복호화 방법 및 장치
EP20187319.7A EP3783890A1 (en) 2016-04-29 2017-04-28 Method and apparatus for encoding/decoding video signal
CN202311469935.XA CN117499649A (zh) 2016-04-29 2017-04-28 图像解码装置、图像编码装置和用于发送比特流的装置
CN202311473282.2A CN117499651A (zh) 2016-04-29 2017-04-28 图像解码方法、图像编码方法和用于发送比特流的方法
CN201780040684.XA CN109417633B (zh) 2016-04-29 2017-04-28 用于编码/解码视频信号的方法和装置
US16/096,845 US20190141319A1 (en) 2016-04-29 2017-04-28 Method and apparatus for encoding/decoding video signal
CN202311466643.0A CN117499646A (zh) 2016-04-29 2017-04-28 图像解码方法、图像编码方法和用于发送比特流的方法
EP17789964.8A EP3451667A4 (en) 2016-04-29 2017-04-28 VIDEO SIGNAL ENCODING / DECODING METHOD AND APPARATUS
CN202311468139.4A CN117499647A (zh) 2016-04-29 2017-04-28 图像解码方法、图像编码方法和用于发送比特流的方法
CN202311464483.6A CN117499645A (zh) 2016-04-29 2017-04-28 图像解码装置、图像编码装置和用于发送比特流的装置
KR1020227013585A KR102583569B1 (ko) 2016-04-29 2017-04-28 영상 신호 부호화/복호화 방법 및 장치
CN202311468145.XA CN117499648A (zh) 2016-04-29 2017-04-28 图像解码方法、图像编码方法和用于发送比特流的方法
CN202311473250.2A CN117499650A (zh) 2016-04-29 2017-04-28 图像解码方法、图像编码方法和用于发送比特流的方法
US18/351,454 US20230362364A1 (en) 2016-04-29 2023-07-12 Method and apparatus for encoding/decoding video signal

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR20160052704 2016-04-29
KR10-2016-0052932 2016-04-29
KR10-2016-0052704 2016-04-29
KR20160052932 2016-04-29

Related Child Applications (2)

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US16/096,845 A-371-Of-International US20190141319A1 (en) 2016-04-29 2017-04-28 Method and apparatus for encoding/decoding video signal
US18/351,454 Continuation US20230362364A1 (en) 2016-04-29 2023-07-12 Method and apparatus for encoding/decoding video signal

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WO2017188780A2 WO2017188780A2 (ko) 2017-11-02
WO2017188780A3 true WO2017188780A3 (ko) 2018-08-02

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US (2) US20190141319A1 (ko)
EP (2) EP3783890A1 (ko)
KR (2) KR102583569B1 (ko)
CN (8) CN117499650A (ko)
WO (1) WO2017188780A2 (ko)

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