WO2010027182A3 - 서브블록 내 임의 화소를 이용한 영상 부호화/복호화 방법 및 장치 - Google Patents

서브블록 내 임의 화소를 이용한 영상 부호화/복호화 방법 및 장치 Download PDF

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WO2010027182A3
WO2010027182A3 PCT/KR2009/004918 KR2009004918W WO2010027182A3 WO 2010027182 A3 WO2010027182 A3 WO 2010027182A3 KR 2009004918 W KR2009004918 W KR 2009004918W WO 2010027182 A3 WO2010027182 A3 WO 2010027182A3
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block
sub
arbitrary
decoding
encoding
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PCT/KR2009/004918
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English (en)
French (fr)
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WO2010027182A2 (ko
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김하윤
문주희
이영렬
김해광
전병우
김동원
박민철
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에스케이텔레콤 주식회사
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Priority to US13/001,779 priority Critical patent/US20110150087A1/en
Publication of WO2010027182A2 publication Critical patent/WO2010027182A2/ko
Publication of WO2010027182A3 publication Critical patent/WO2010027182A3/ko
Priority to US14/747,388 priority patent/US9674551B2/en
Priority to US15/498,915 priority patent/US9838696B2/en
Priority to US15/498,938 priority patent/US9854250B2/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
    • H04N19/102—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
    • H04N19/134—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
    • H04N19/17—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
    • H04N19/102—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
    • 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
    • H04N19/503—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
    • 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
    • H04N19/59—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution
    • 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
    • H04N19/60—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
    • H04N19/10—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
    • H04N19/184—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 bits, e.g. of the compressed video stream

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)

Abstract

본 발명은 서브블록 내 임의 화소를 이용한 영상 부호화/복호화 방법 및 장치에 관한 것이다. 본 발명은 임의 화소 추출부; 제 1 예측부; 제 1 감산부; 제 1 변환부; 제 1 양자화부; 제 1 역 양자화부; 제 1 역 변환부; 제 1 가산부; 제 2 예측부; 제 2 감산부; 임의 잔차 화소 결합부; 제 2 변환부; 제 2 양자화부; 및 부호화부를 포함하여, 현재 블록의 각 서브블록에서 임의 화소를 추출하여 부호화하고 복호화하여 복원한 후 복원된 임의 화소를 이용하여 각 서브블록의 나머지 화소를 예측하고 부호화하는 것을 특징으로한다. 본 발명에 의하면, 영상을 부호화하거나 복호화하는 데 있어서, 현재 부호화하거나 복호화하고자 하는 블록의 화소를 인트라 예측할 때 예측의 정확도를 향상시켜 부호화 효율을 향상시킬 수 있다.
PCT/KR2009/004918 2008-09-08 2009-09-01 서브블록 내 임의 화소를 이용한 영상 부호화/복호화 방법 및 장치 WO2010027182A2 (ko)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US13/001,779 US20110150087A1 (en) 2008-09-08 2009-09-01 Method and device for image encoding/decoding using arbitrary pixels in a sub-block
US14/747,388 US9674551B2 (en) 2008-09-08 2015-06-23 Video encoding and decoding method using an intra prediction
US15/498,915 US9838696B2 (en) 2008-09-08 2017-04-27 Video encoding and decoding method using an intra prediction
US15/498,938 US9854250B2 (en) 2008-09-08 2017-04-27 Video encoding and decoding method using an intra prediction

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020080088088A KR101432775B1 (ko) 2008-09-08 2008-09-08 서브블록 내 임의 화소를 이용한 영상 부호화/복호화 방법 및 장치
KR10-2008-0088088 2008-09-08

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US13/001,779 A-371-Of-International US20110150087A1 (en) 2008-09-08 2009-09-01 Method and device for image encoding/decoding using arbitrary pixels in a sub-block
US14/747,388 Continuation US9674551B2 (en) 2008-09-08 2015-06-23 Video encoding and decoding method using an intra prediction

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WO2010027182A3 true WO2010027182A3 (ko) 2010-06-17

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Publication number Publication date
US9854250B2 (en) 2017-12-26
WO2010027182A2 (ko) 2010-03-11
US20110150087A1 (en) 2011-06-23
US20170230671A1 (en) 2017-08-10
KR20100029343A (ko) 2010-03-17
US9674551B2 (en) 2017-06-06
KR101432775B1 (ko) 2014-08-22
US9838696B2 (en) 2017-12-05
US20170230670A1 (en) 2017-08-10
US20150296220A1 (en) 2015-10-15

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