WO2012134046A3 - 동영상의 부호화 방법 - Google Patents

동영상의 부호화 방법 Download PDF

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Publication number
WO2012134046A3
WO2012134046A3 PCT/KR2012/000513 KR2012000513W WO2012134046A3 WO 2012134046 A3 WO2012134046 A3 WO 2012134046A3 KR 2012000513 W KR2012000513 W KR 2012000513W WO 2012134046 A3 WO2012134046 A3 WO 2012134046A3
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current block
reference pixels
block
pixels adjacent
encoding
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PCT/KR2012/000513
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WO2012134046A2 (ko
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김광제
오현오
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주식회사 아이벡스피티홀딩스
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Publication of WO2012134046A2 publication Critical patent/WO2012134046A2/ko
Publication of WO2012134046A3 publication Critical patent/WO2012134046A3/ko

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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
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H04N19/82—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
    • 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
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • 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
    • H04N19/182—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
    • H04N19/50—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
    • H04N19/11—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
    • H04N19/169—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

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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)

Abstract

높은 영상 품질을 유지하면서 낮은 데이터 레이트로 동영상 신호를 부호화하기 위한 동영상 부호화 방법이 개시된다. 잔차 블록에 소요되는 비트수를 최소화하기 위해 현재 블록에 인접한 유효하지 않은 참조 화소들을 상기 현재 블록에 인접한 복원된 유효한 적어도 하나 이상의 참조 화소들을 이용하여 생성한다. 또한, 상기 현재 블록의 상기 현재 블록에 인접한 유효한 참조 화소들과, 상기 생성된 참조화소들을 필터링한 후에 상기 필터링된 참조 화소들을 이용하여 현재 블록의 인트라 예측 모드를 결정한다. 따라서, 현재 블록과 가장 유사한 참조 블록을 생성함으로써, 현재 블록의 잔차 블록에 소요되는 데이터량을 최소화할 수 있는 효과가 있다.
PCT/KR2012/000513 2011-04-01 2012-01-19 동영상의 부호화 방법 WO2012134046A2 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20110030294 2011-04-01
KR10-2011-0030294 2011-04-01

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WO2012134046A2 WO2012134046A2 (ko) 2012-10-04
WO2012134046A3 true WO2012134046A3 (ko) 2012-12-06

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PCT/KR2012/000513 WO2012134046A2 (ko) 2011-04-01 2012-01-19 동영상의 부호화 방법
PCT/KR2012/001923 WO2012134085A2 (ko) 2011-04-01 2012-03-16 인트라 예측 모드에서의 영상 복호화 방법

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PCT/KR2012/001923 WO2012134085A2 (ko) 2011-04-01 2012-03-16 인트라 예측 모드에서의 영상 복호화 방법

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US (14) US9445127B2 (ko)
EP (6) EP3869804A1 (ko)
JP (6) JP5889392B2 (ko)
CN (2) CN103460700B (ko)
BR (1) BR112013025398B1 (ko)
MX (1) MX2013011427A (ko)
WO (2) WO2012134046A2 (ko)

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