WO2008136178A1 - 動き検出装置、動き検出方法、及び動き検出プログラム - Google Patents

動き検出装置、動き検出方法、及び動き検出プログラム Download PDF

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WO2008136178A1
WO2008136178A1 PCT/JP2008/000855 JP2008000855W WO2008136178A1 WO 2008136178 A1 WO2008136178 A1 WO 2008136178A1 JP 2008000855 W JP2008000855 W JP 2008000855W WO 2008136178 A1 WO2008136178 A1 WO 2008136178A1
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motion detection
motion
pixel data
area
detects
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PCT/JP2008/000855
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English (en)
French (fr)
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Kohei Okada
Masayasu Iguchi
Jun Takahashi
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Panasonic Corporation
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Priority to JP2009512877A priority Critical patent/JPWO2008136178A1/ja
Priority to EP08738467A priority patent/EP2141930A4/en
Priority to US12/596,852 priority patent/US20100086053A1/en
Publication of WO2008136178A1 publication Critical patent/WO2008136178A1/ja

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    • 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
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    • 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
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Abstract

　マルチフレームメモリ（５０４）に記憶された参照ピクチャの画素データを用いて、符号化対象ピクチャを構成するマクロブロックの動き検出を行う動き検出装置であって、前記マルチフレームメモリ（５０４）から読み出された参照ピクチャの画素データのうち、第１の動き検出時の探索範囲である第１範囲に含まれる画素データを記憶しているローカルメモリ（７０２）と、前記ローカルメモリ（７０２）に記憶されている画素データを用いて、前記第１の動き検出を行う通常の動き検出部（７０４）と、前記第１範囲を含み、かつ当該第１範囲よりも広い第２範囲に含まれる前記参照ピクチャの画素データを用いて、前記第１の動き検出と異なるアルゴリズムを用いた第２の動き検出を行うダイレクト予測器（１０８）とを備える。
PCT/JP2008/000855 2007-04-26 2008-04-03 動き検出装置、動き検出方法、及び動き検出プログラム WO2008136178A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2009512877A JPWO2008136178A1 (ja) 2007-04-26 2008-04-03 動き検出装置、動き検出方法、及び動き検出プログラム
EP08738467A EP2141930A4 (en) 2007-04-26 2008-04-03 MOTION DETECTION APPARATUS, MOTION DETECTION METHOD, AND MOTION DETECTION PROGRAM
US12/596,852 US20100086053A1 (en) 2007-04-26 2008-04-03 Motion estimation device, motion estimation method, and motion estimation program

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JP2007116949 2007-04-26
JP2007-116949 2007-04-26

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