WO2009110721A3 - 복수 참조에 의한 움직임 예측을 이용한 부호화 방법 및 장치, 그리고 복수 참조에 의한 움직임 예측을 이용한 복호화 방법 및 장치 - Google Patents

복수 참조에 의한 움직임 예측을 이용한 부호화 방법 및 장치, 그리고 복수 참조에 의한 움직임 예측을 이용한 복호화 방법 및 장치 Download PDF

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WO2009110721A3
WO2009110721A3 PCT/KR2009/001026 KR2009001026W WO2009110721A3 WO 2009110721 A3 WO2009110721 A3 WO 2009110721A3 KR 2009001026 W KR2009001026 W KR 2009001026W WO 2009110721 A3 WO2009110721 A3 WO 2009110721A3
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estimator
motion prediction
candidate
referencing
device employing
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PCT/KR2009/001026
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French (fr)
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WO2009110721A2 (ko
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김일구
한우진
손유미
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삼성전자 주식회사
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Priority to EP09716619A priority Critical patent/EP2252062A4/en
Publication of WO2009110721A2 publication Critical patent/WO2009110721A2/ko
Publication of WO2009110721A3 publication Critical patent/WO2009110721A3/ko

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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
    • H04N19/503—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
    • H04N19/573—Motion compensation with multiple frame prediction using two or more reference frames in a given prediction direction
    • 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
    • H04N19/513—Processing of motion vectors
    • H04N19/517—Processing of motion vectors by encoding
    • 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
    • H04N19/134—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
    • H04N19/134—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
    • H04N19/154—Measured or subjectively estimated visual quality after decoding, e.g. measurement of distortion
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • 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
    • H04N19/523—Motion estimation or motion compensation with sub-pixel accuracy
    • 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
    • H04N19/56—Motion estimation with initialisation of the vector search, e.g. estimating a good candidate to initiate a search
    • 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

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

Abstract

본 발명은 움직임 예측에 기초한 영상 부호화 방법 및 장치, 그리고 움직임 예측에 기초한 영상 복호화 방법 및 장치에 관한 것이다. 본 발명에 따른 영상 부호화 방법은 참조 프레임에서, 참조 프레임 상의 현재 추정자를 중심으로 하는 후보 추정자 범위 중 적어도 하나의 후보 추정자를 포함하는 적어도 하나의 후보 추정자 집합을 결정하고, 결정된 적어도 하나의 후보 추정자 집합 중 각각의 후보 추정자 집합의 후보 추정자를 이용하여 결정된 가설 추정자들의 오차율에 기초하여 참조 추정자를 결정하며, 참조 추정자에 대응되는 참조 블록 및 현재 블록을 이용하여 현재 프레임에 대한 움직임 예측을 수행하고, 움직임 예측 수행 결과에 기초하여 현재 프레임을 포함하는 영상 데이터를 부호화함으로써, 화면 간 예측의 성능을 개선시킬 수 있다.
PCT/KR2009/001026 2008-03-03 2009-03-03 복수 참조에 의한 움직임 예측을 이용한 부호화 방법 및 장치, 그리고 복수 참조에 의한 움직임 예측을 이용한 복호화 방법 및 장치 WO2009110721A2 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP09716619A EP2252062A4 (en) 2008-03-03 2009-03-03 ENCODING METHOD AND DEVICE USING MOTION PREDICTION USING MULTI-REFERENCING, AND DECODING METHOD AND DEVICE USING MOTION PREDICTION USING MULTI-REFERENCING

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2008-0019642 2008-03-03
KR1020080019642A KR20090094595A (ko) 2008-03-03 2008-03-03 복수 참조에 의한 움직임 예측을 이용한 부호화 방법 및장치, 그리고 복수 참조에 의한 움직임 예측을 이용한복호화 방법 및 장치

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WO2009110721A2 WO2009110721A2 (ko) 2009-09-11
WO2009110721A3 true WO2009110721A3 (ko) 2009-10-29

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US (1) US8204127B2 (ko)
EP (1) EP2252062A4 (ko)
KR (1) KR20090094595A (ko)
WO (1) WO2009110721A2 (ko)

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US20090220005A1 (en) 2009-09-03
KR20090094595A (ko) 2009-09-08
WO2009110721A2 (ko) 2009-09-11
EP2252062A2 (en) 2010-11-17
EP2252062A4 (en) 2011-06-08
US8204127B2 (en) 2012-06-19

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