WO2012115420A3 - 필터링을 이용한 화면 내 예측 방법 및 이러한 방법을 사용하는 장치 - Google Patents

필터링을 이용한 화면 내 예측 방법 및 이러한 방법을 사용하는 장치 Download PDF

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WO2012115420A3
WO2012115420A3 PCT/KR2012/001287 KR2012001287W WO2012115420A3 WO 2012115420 A3 WO2012115420 A3 WO 2012115420A3 KR 2012001287 W KR2012001287 W KR 2012001287W WO 2012115420 A3 WO2012115420 A3 WO 2012115420A3
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WIPO (PCT)
Prior art keywords
filtering
reference pixel
intra
prediction
predicted
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PCT/KR2012/001287
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English (en)
French (fr)
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WO2012115420A2 (ko
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전용준
박승욱
임재현
김정선
박준영
최영희
성재원
전병문
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엘지전자 주식회사
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Priority to US14/000,639 priority Critical patent/US9420294B2/en
Publication of WO2012115420A2 publication Critical patent/WO2012115420A2/ko
Publication of WO2012115420A3 publication Critical patent/WO2012115420A3/ko
Priority to US14/230,656 priority patent/US9294769B2/en
Priority to US15/217,607 priority patent/US9736496B2/en
Priority to US15/676,129 priority patent/US10212453B2/en
Priority to US16/251,018 priority patent/US10728576B2/en
Priority to US16/914,766 priority patent/US11272208B2/en
Priority to US17/577,830 priority patent/US11729420B2/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
    • H04N19/102—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
    • H04N19/117—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
    • H04N19/169—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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with 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
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • 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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • 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)
  • Compression Or Coding Systems Of Tv Signals (AREA)

Abstract

필터링을 이용한 화면 내 예측 방법 및 이러한 방법을 사용하는 장치가 개시되어 있다. 영상 복호 방법은 예측 대상 블록의 제n 상단 참조 픽셀과 제n 상단 참조 픽셀의 주변 픽셀을 필터링하여 필터링된 제n 상단 참조 픽셀을 산출하는 단계와 예측 대상 블록의 제n 좌측 참조 픽셀과 제n 좌측 참조 픽셀의 주변 픽셀을 필터링하여 필터링된 제n 좌측 참조 픽셀을 산출하는 단계를 포함할 수 있다. 따라서, 효율적으로 화면 내 예측을 수행하여 영상 부복호화 효율을 높일 수 있다.
PCT/KR2012/001287 2011-02-23 2012-02-21 필터링을 이용한 화면 내 예측 방법 및 이러한 방법을 사용하는 장치 WO2012115420A2 (ko)

Priority Applications (7)

Application Number Priority Date Filing Date Title
US14/000,639 US9420294B2 (en) 2011-02-23 2012-02-21 Intra-prediction method using filtering, and apparatus using the method
US14/230,656 US9294769B2 (en) 2011-02-23 2014-03-31 Intra-prediction method using filtering, and apparatus using the method
US15/217,607 US9736496B2 (en) 2011-02-23 2016-07-22 Intra-prediction method using filtering, and apparatus using the method
US15/676,129 US10212453B2 (en) 2011-02-23 2017-08-14 Intra-prediction method using filtering, and apparatus using the method
US16/251,018 US10728576B2 (en) 2011-02-23 2019-01-17 Intra-prediction method using filtering, and apparatus using the method
US16/914,766 US11272208B2 (en) 2011-02-23 2020-06-29 Intra-prediction method using filtering, and apparatus using the method
US17/577,830 US11729420B2 (en) 2011-02-23 2022-01-18 Intra-prediction method using filtering, and apparatus using the method

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201161445538P 2011-02-23 2011-02-23
US61/445,538 2011-02-23

Related Child Applications (3)

Application Number Title Priority Date Filing Date
US14/000,639 A-371-Of-International US9420294B2 (en) 2011-02-23 2012-02-21 Intra-prediction method using filtering, and apparatus using the method
US14/230,656 Continuation US9294769B2 (en) 2011-02-23 2014-03-31 Intra-prediction method using filtering, and apparatus using the method
US15/217,607 Continuation US9736496B2 (en) 2011-02-23 2016-07-22 Intra-prediction method using filtering, and apparatus using the method

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WO2012115420A2 WO2012115420A2 (ko) 2012-08-30
WO2012115420A3 true WO2012115420A3 (ko) 2012-12-20

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Publication number Publication date
US20140328397A1 (en) 2014-11-06
US9736496B2 (en) 2017-08-15
US11272208B2 (en) 2022-03-08
US20160330478A1 (en) 2016-11-10
US10212453B2 (en) 2019-02-19
US11729420B2 (en) 2023-08-15
US20170347118A1 (en) 2017-11-30
US9420294B2 (en) 2016-08-16
US20190174142A1 (en) 2019-06-06
US9294769B2 (en) 2016-03-22
US20130329794A1 (en) 2013-12-12
US20200329255A1 (en) 2020-10-15
US20220141486A1 (en) 2022-05-05
US10728576B2 (en) 2020-07-28
WO2012115420A2 (ko) 2012-08-30

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