WO2017192011A3 - 화면 내 예측을 이용한 영상 부호화/복호화 방법 및 장치 - Google Patents

화면 내 예측을 이용한 영상 부호화/복호화 방법 및 장치 Download PDF

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WO2017192011A3
WO2017192011A3 PCT/KR2017/004696 KR2017004696W WO2017192011A3 WO 2017192011 A3 WO2017192011 A3 WO 2017192011A3 KR 2017004696 W KR2017004696 W KR 2017004696W WO 2017192011 A3 WO2017192011 A3 WO 2017192011A3
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intra
decoding method
screen prediction
image encoding
prediction
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PCT/KR2017/004696
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English (en)
French (fr)
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WO2017192011A2 (ko
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정제창
김기백
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한양대학교 산학협력단
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Application filed by 한양대학교 산학협력단 filed Critical 한양대학교 산학협력단
Priority to JP2018557891A priority Critical patent/JP2019515570A/ja
Priority to CN201780027691.6A priority patent/CN109155851A/zh
Priority to US16/098,325 priority patent/US10834408B2/en
Priority to EP22160975.3A priority patent/EP4030754A1/en
Priority to EP17792913.0A priority patent/EP3442231A4/en
Publication of WO2017192011A2 publication Critical patent/WO2017192011A2/ko
Publication of WO2017192011A3 publication Critical patent/WO2017192011A3/ko
Priority to US17/037,887 priority patent/US20210014507A1/en
Priority to US18/105,968 priority patent/US11825099B2/en
Priority to US18/481,623 priority patent/US20240107029A1/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
    • H04N19/134—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
    • H04N19/102—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
    • H04N19/11—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
    • H04N19/10—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
    • H04N19/169—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
    • 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
    • H04N19/174—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 slice, e.g. a line of blocks or a group of 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
    • H04N19/169—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
    • H04N19/182—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 pixel
    • 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
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • 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
    • H04N19/90—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
    • H04N19/96—Tree coding, e.g. quad-tree coding

Abstract

화면 내 예측을 이용한 복호화 방법이 개시된다. 복호화 장치에서 수행되는 화면 내 예측을 이용한 복호화 방법은, 비트 스트림을 수신하는 단계, 수신된 비트 스트림에서 복호화 정보를 획득하는 단계, 획득한 복호화 정보를 이용하여 복호화하려는 현재 블록에 대한 예측 블록을 생성하는 단계 및 비트 스트림에서 획득된 잔차 블록과 예측 블록을 가산하여 현재 블록을 복원하는 단계를 포함할 수 있다. 따라서, 영상의 압축률이 향상될 수 있다.
PCT/KR2017/004696 2016-05-02 2017-05-02 화면 내 예측을 이용한 영상 부호화/복호화 방법 및 장치 WO2017192011A2 (ko)

Priority Applications (8)

Application Number Priority Date Filing Date Title
JP2018557891A JP2019515570A (ja) 2016-05-02 2017-05-02 画面内予測を利用した映像符号化／復号化方法および装置
CN201780027691.6A CN109155851A (zh) 2016-05-02 2017-05-02 利用画面内预测的影像编码、解码方法及装置
US16/098,325 US10834408B2 (en) 2016-05-02 2017-05-02 Image encoding/decoding method and apparatus using intra-screen prediction
EP22160975.3A EP4030754A1 (en) 2016-05-02 2017-05-02 Image encoding/decoding method and computer-readable medium
EP17792913.0A EP3442231A4 (en) 2016-05-02 2017-05-02 BILDCODE / DECODE PROCESS AND DEVICE USING INTRA-SCREEN PREDICTION
US17/037,887 US20210014507A1 (en) 2016-05-02 2020-09-30 Image encoding/decoding method and apparatus using intra-screen prediction
US18/105,968 US11825099B2 (en) 2016-05-02 2023-02-06 Image encoding/decoding method and apparatus using intra-screen prediction
US18/481,623 US20240107029A1 (en) 2016-05-02 2023-10-05 Image encoding/decoding method and apparatus using intra-screen prediction

Applications Claiming Priority (2)

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KR20160054279 2016-05-02
KR10-2016-0054279 2016-05-02

Related Child Applications (2)

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US16/098,325 A-371-Of-International US10834408B2 (en) 2016-05-02 2017-05-02 Image encoding/decoding method and apparatus using intra-screen prediction
US17/037,887 Continuation US20210014507A1 (en) 2016-05-02 2020-09-30 Image encoding/decoding method and apparatus using intra-screen prediction

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WO2017192011A2 WO2017192011A2 (ko) 2017-11-09
WO2017192011A3 true WO2017192011A3 (ko) 2018-08-02

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US (4) US10834408B2 (ko)
EP (2) EP4030754A1 (ko)
JP (2) JP2019515570A (ko)
KR (6) KR102028015B1 (ko)
CN (1) CN109155851A (ko)
WO (1) WO2017192011A2 (ko)

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