WO2012091461A3 - 주변블록의 특징벡터를 이용한 영상 부호화/복호화 방법 및 장치 - Google Patents

주변블록의 특징벡터를 이용한 영상 부호화/복호화 방법 및 장치 Download PDF

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Publication number
WO2012091461A3
WO2012091461A3 PCT/KR2011/010254 KR2011010254W WO2012091461A3 WO 2012091461 A3 WO2012091461 A3 WO 2012091461A3 KR 2011010254 W KR2011010254 W KR 2011010254W WO 2012091461 A3 WO2012091461 A3 WO 2012091461A3
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Prior art keywords
feature vectors
surrounding blocks
encoding
decoding image
image
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PCT/KR2011/010254
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English (en)
French (fr)
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WO2012091461A2 (ko
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송진한
임정연
이혁
정제창
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에스케이텔레콤 주식회사
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Priority to CN201180063366.8A priority Critical patent/CN103299639B/zh
Publication of WO2012091461A2 publication Critical patent/WO2012091461A2/ko
Publication of WO2012091461A3 publication Critical patent/WO2012091461A3/ko
Priority to US13/928,703 priority patent/US9497454B2/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
    • H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for 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
    • H04N19/102—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
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
    • 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
    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/147—Data rate or code amount at the encoder output according to rate distortion criteria
    • 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
    • H04N19/50—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

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

Abstract

본 발명의 실시예는 주변블록의 특징벡터를 이용한 영상 부호화/복호화 방법 및 장치에 관한 것이다. 본 발명의 실시예는, 주변블록의 화소로부터 특징벡터를 추출하고 기설정된 영상의 특징벡터분포를 참조하여 상기 특징벡터가 나타내는 최적의 예측모드를 추출하고 상기 추출된 최적의 예측모드를 MPM 또는 현재블록의 인트라모드로 결정하고 현재블록에 인접한 주변블록의 화소를 이용하여 상기 현재블록을 인트라예측하여 부호화하고 복호화하는 주변블록의 특징벡터를 이용한 영상 부호화/복호화 방법 및 장치에 관한 것이다.
PCT/KR2011/010254 2010-12-28 2011-12-28 주변블록의 특징벡터를 이용한 영상 부호화/복호화 방법 및 장치 WO2012091461A2 (ko)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201180063366.8A CN103299639B (zh) 2010-12-28 2011-12-28 利用周围块的特征向量对图像编码/解码的方法和装置
US13/928,703 US9497454B2 (en) 2010-12-28 2013-06-27 Method and device for encoding/decoding image using feature vectors of surrounding blocks

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2010-0136400 2010-12-28
KR1020100136400A KR101739987B1 (ko) 2010-12-28 2010-12-28 주변블록의 특징벡터를 이용한 영상 부호화/복호화 방법 및 장치

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US13/928,703 Continuation US9497454B2 (en) 2010-12-28 2013-06-27 Method and device for encoding/decoding image using feature vectors of surrounding blocks

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WO2012091461A2 WO2012091461A2 (ko) 2012-07-05
WO2012091461A3 true WO2012091461A3 (ko) 2012-10-04

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US (1) US9497454B2 (ko)
KR (1) KR101739987B1 (ko)
CN (1) CN103299639B (ko)
WO (1) WO2012091461A2 (ko)

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Also Published As

Publication number Publication date
WO2012091461A2 (ko) 2012-07-05
US9497454B2 (en) 2016-11-15
US20130287094A1 (en) 2013-10-31
CN103299639B (zh) 2017-02-15
KR20120074534A (ko) 2012-07-06
CN103299639A (zh) 2013-09-11
KR101739987B1 (ko) 2017-05-26

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