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    • 83. 发明授权
    • Image processing apparatus and method, and image pickup apparatus
    • 图像处理装置和方法以及图像拾取装置
    • US07181080B2
    • 2007-02-20
    • US10362558
    • 2002-06-26
    • Tetsujiro KondoTakahiro NaganoJunichi IshibashiTakashi SawaoNaoki FujiwaraSeiji WadaToru Miyake
    • Tetsujiro KondoTakahiro NaganoJunichi IshibashiTakashi SawaoNaoki FujiwaraSeiji WadaToru Miyake
    • G06K9/40
    • G06T7/20G06T7/194G06T2207/10016
    • An object of the present invention is to make it possible to specify a background image area, a moving object image area, and an image area in which the mixture of the background image area and the moving object image area occurs. A mixture-ratio calculator 103 extracts pixel data of a peripheral frame corresponding to a designated pixel of a designated frame of the image data as background pixel data corresponding to a background object, and also extracts designated pixel data of the designated pixel contained in the designated frame so as to generate a plurality of relational expressions indicating the relationship between the designated pixel data and the background pixel data. The mixture-ratio calculator 103 detects the mixture ratio indicating the mixture state of the objects based on the relational expressions. An area specifying unit 104 calculates a predictive error by substituting the detected mixture ratio into the relational expressions, and determines whether an area to which the designated pixel belongs is a covered background area, an uncovered background area, a foreground area, or a background area. The present invention is applicable to an image processing apparatus.
    • 本发明的目的是使得可以指定背景图像区域,运动对象图像区域和发生背景图像区域和运动对象图像区域的混合的图像区域。 混合比率计算器103提取与图像数据的指定帧的指定像素相对应的外围帧的像素数据作为与背景对象相对应的背景像素数据,并且还提取指定的像素中包含的指定像素的指定像素数据 以产生指示指定的像素数据和背景像素数据之间的关系的多个关系表达式。 混合比计算器103基于关系表达式来检测指示对象的混合状态的混合比。 区域指定单元104通过将检测到的混合比率代入关系表达式来计算预测误差,并且确定指定像素所属的区域是否是覆盖的背景区域,未覆盖的背景区域,前景区域或背景区域 。 本发明可应用于图像处理装置。