WO2009157669A3 - 인트라 예측 방법 및 장치와 그를 이용한 영상 부호화/복호화 방법 및 장치 - Google Patents

인트라 예측 방법 및 장치와 그를 이용한 영상 부호화/복호화 방법 및 장치 Download PDF

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Publication number
WO2009157669A3
WO2009157669A3 PCT/KR2009/003237 KR2009003237W WO2009157669A3 WO 2009157669 A3 WO2009157669 A3 WO 2009157669A3 KR 2009003237 W KR2009003237 W KR 2009003237W WO 2009157669 A3 WO2009157669 A3 WO 2009157669A3
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WIPO (PCT)
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intra prediction
pixel
same
image encoding
block
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PCT/KR2009/003237
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English (en)
French (fr)
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WO2009157669A2 (ko
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김하윤
이영렬
문주희
김해광
전병우
전혜민
김대연
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에스케이텔레콤 주식회사
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Priority to US13/001,611 priority Critical patent/US8976862B2/en
Publication of WO2009157669A2 publication Critical patent/WO2009157669A2/ko
Publication of WO2009157669A3 publication Critical patent/WO2009157669A3/ko
Priority to US13/947,403 priority patent/US9363532B2/en
Priority to US14/691,315 priority patent/US9319714B2/en
Priority to US14/691,245 priority patent/US9313525B2/en
Priority to US14/691,286 priority patent/US9300981B2/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
    • H04N19/50—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
    • H04N19/134—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
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
    • 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
    • H04N19/124—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
    • H04N19/136—Incoming video signal characteristics or properties
    • 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
    • H04N19/167—Position within a video image, e.g. region of interest [ROI]
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive 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
    • H04N19/50—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

Abstract

본 발명은 인트라 예측 방법 및 장치와 그를 이용한 영상 부호화/복호화 방법 및 장치에 관한 것이다. 본 발명은 인트라 예측 장치에 있어서, 주변 블록에 포함되는 하나 이상의 인접 화소의 화소값을 현재 블록의 각 화소와 하나 이상의 인접 화소와의 거리에 따라 가중 평균하여 현재 블록의 각 화소의 화소값을 예측하는 것을 특징으로 하는 인트라 예측 장치를 제공한다. 본 발명에 의하면, 부호화하고자 하는 현재 블록을 더욱 정확하게 예측함으로써, 실제 블록과 예측된 블록 간의 차이를 줄여 부호화의 효율을 높일 수 있으며, 그를 통해 압축 효율을 향상시킬 수 있다.
PCT/KR2009/003237 2008-06-24 2009-06-17 인트라 예측 방법 및 장치와 그를 이용한 영상 부호화/복호화 방법 및 장치 WO2009157669A2 (ko)

Priority Applications (5)

Application Number Priority Date Filing Date Title
US13/001,611 US8976862B2 (en) 2008-06-24 2009-06-17 Intra prediction method and apparatus, and image encoding/decoding method and apparatus using same
US13/947,403 US9363532B2 (en) 2008-06-24 2013-07-22 Intra prediction method and apparatus, and image encoding/decoding method and apparatus using same
US14/691,315 US9319714B2 (en) 2008-06-24 2015-04-20 Intra prediction method and apparatus, and image encoding/decoding method and apparatus using same
US14/691,245 US9313525B2 (en) 2008-06-24 2015-04-20 Intra prediction method and apparatus, and image encoding/decoding method and apparatus using same
US14/691,286 US9300981B2 (en) 2008-06-24 2015-04-20 Intra prediction method and apparatus, and image encoding/decoding method and apparatus using same

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2008-0059322 2008-06-24
KR1020080059322A KR101361005B1 (ko) 2008-06-24 2008-06-24 인트라 예측 방법 및 장치와 그를 이용한 영상부호화/복호화 방법 및 장치

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US13/001,611 A-371-Of-International US8976862B2 (en) 2008-06-24 2009-06-17 Intra prediction method and apparatus, and image encoding/decoding method and apparatus using same
US13/947,403 Continuation US9363532B2 (en) 2008-06-24 2013-07-22 Intra prediction method and apparatus, and image encoding/decoding method and apparatus using same

Publications (2)

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WO2009157669A2 WO2009157669A2 (ko) 2009-12-30
WO2009157669A3 true WO2009157669A3 (ko) 2010-04-15

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WO (1) WO2009157669A2 (ko)

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KR20070076357A (ko) * 2006-01-18 2007-07-24 엘지전자 주식회사 비디오 영상의 부호화/복호화 방법 및 장치.

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US9363532B2 (en) 2016-06-07
US20150229961A1 (en) 2015-08-13
KR101361005B1 (ko) 2014-02-13
KR20100000011A (ko) 2010-01-06
WO2009157669A2 (ko) 2009-12-30
US9300981B2 (en) 2016-03-29
US20130301717A1 (en) 2013-11-14
US20110182357A1 (en) 2011-07-28
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