WO2012121575A3 - 인트라 예측 방법 및 그 장치 - Google Patents

인트라 예측 방법 및 그 장치 Download PDF

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Publication number
WO2012121575A3
WO2012121575A3 PCT/KR2012/001791 KR2012001791W WO2012121575A3 WO 2012121575 A3 WO2012121575 A3 WO 2012121575A3 KR 2012001791 W KR2012001791 W KR 2012001791W WO 2012121575 A3 WO2012121575 A3 WO 2012121575A3
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WO
WIPO (PCT)
Prior art keywords
determining
sample group
prediction value
prediction
representative
Prior art date
Application number
PCT/KR2012/001791
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English (en)
French (fr)
Other versions
WO2012121575A2 (ko
Inventor
이진호
김휘용
임성창
김종호
이하현
최진수
김진웅
Original Assignee
한국전자통신연구원
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 한국전자통신연구원 filed Critical 한국전자통신연구원
Priority to US14/002,393 priority Critical patent/US20130336398A1/en
Priority claimed from KR1020120025095A external-priority patent/KR20120103517A/ko
Publication of WO2012121575A2 publication Critical patent/WO2012121575A2/ko
Publication of WO2012121575A3 publication Critical patent/WO2012121575A3/ko
Priority to US16/374,685 priority patent/US10798414B2/en
Priority to US17/009,692 priority patent/US10911778B2/en
Priority to US17/138,426 priority patent/US11350125B2/en
Priority to US17/733,182 priority patent/US11706449B2/en
Priority to US18/203,915 priority patent/US11962803B2/en

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Classifications

    • 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

Landscapes

  • 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

본 발명에 따른 멀티 샘플 예측 방법은, 복호화 대상 블록 내의 복수의 샘플로 구성된 샘플 그룹을 결정하는 단계, 상기 복호화 대상 블록 내에서, 상기 샘플 그룹에 대응하는 대표 위치를 결정하는 단계, 상기 결정된 대표 위치를 기반으로, 상기 샘플 그룹에 대한 대표 예측값을 결정하는 단계 및 상기 결정된 대표 예측값을, 상기 샘플 그룹을 구성하는 복수의 샘플 각각에 대한 최종 예측값으로 결정하는 단계를 포함한다. 본 발명에 의하면, 영상 부호화/복호화 효율이 향상되고 복잡도가 감소될 수 있다.
PCT/KR2012/001791 2011-03-10 2012-03-12 인트라 예측 방법 및 그 장치 WO2012121575A2 (ko)

Priority Applications (6)

Application Number Priority Date Filing Date Title
US14/002,393 US20130336398A1 (en) 2011-03-10 2012-03-12 Method and device for intra-prediction
US16/374,685 US10798414B2 (en) 2011-03-10 2019-04-03 Method and device for selective multi-sample intra-prediction
US17/009,692 US10911778B2 (en) 2011-03-10 2020-09-01 Method and device for intra-prediction
US17/138,426 US11350125B2 (en) 2011-03-10 2020-12-30 Method and device for intra-prediction
US17/733,182 US11706449B2 (en) 2011-03-10 2022-04-29 Method and device for intra-prediction
US18/203,915 US11962803B2 (en) 2011-03-10 2023-05-31 Method and device for intra-prediction

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2011-0021170 2011-03-10
KR20110021170 2011-03-10
KR1020120025095A KR20120103517A (ko) 2011-03-10 2012-03-12 인트라 예측 방법 및 그 장치
KR10-2012-0025095 2012-03-12

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US14/002,393 A-371-Of-International US20130336398A1 (en) 2011-03-10 2012-03-12 Method and device for intra-prediction
US16/374,685 Continuation US10798414B2 (en) 2011-03-10 2019-04-03 Method and device for selective multi-sample intra-prediction

Publications (2)

Publication Number Publication Date
WO2012121575A2 WO2012121575A2 (ko) 2012-09-13
WO2012121575A3 true WO2012121575A3 (ko) 2012-11-01

Family

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PCT/KR2012/001791 WO2012121575A2 (ko) 2011-03-10 2012-03-12 인트라 예측 방법 및 그 장치

Country Status (2)

Country Link
US (2) US11706449B2 (ko)
WO (1) WO2012121575A2 (ko)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012121575A2 (ko) 2011-03-10 2012-09-13 한국전자통신연구원 인트라 예측 방법 및 그 장치
WO2014163437A2 (ko) * 2013-04-05 2014-10-09 한국전자통신연구원 계층 간 결합된 화면 내 예측을 이용한 영상 부호화/복호화 방법 및 그 장치
CN116389728A (zh) * 2016-09-20 2023-07-04 株式会社Kt 对视频进行解码和编码的方法以及传输方法

Citations (4)

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KR20080087147A (ko) * 2006-01-09 2008-09-30 마티아스 나르로쉬케 복합형 비디오 부호화에서의 예측 에러의 적응 부호화 기술
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KR20100106811A (ko) * 2009-03-24 2010-10-04 고려대학교 산학협력단 영상 부호화 장치 및 방법, 그리고 영상 부호화 장치 및 방법
KR20110019856A (ko) * 2009-08-21 2011-03-02 에스케이 텔레콤주식회사 인트라 예측 부호화/복호화 방법 및 장치

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Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20080087147A (ko) * 2006-01-09 2008-09-30 마티아스 나르로쉬케 복합형 비디오 부호화에서의 예측 에러의 적응 부호화 기술
KR20090087767A (ko) * 2008-02-13 2009-08-18 삼성전자주식회사 영상의 인트라 예측 부호화 방법
KR20100106811A (ko) * 2009-03-24 2010-10-04 고려대학교 산학협력단 영상 부호화 장치 및 방법, 그리고 영상 부호화 장치 및 방법
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Also Published As

Publication number Publication date
US20230328280A1 (en) 2023-10-12
US11962803B2 (en) 2024-04-16
US11706449B2 (en) 2023-07-18
US20220264149A1 (en) 2022-08-18
WO2012121575A2 (ko) 2012-09-13

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