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    • 6. 发明申请
    • IMAGE PROCESSING METHOD, IMAGE PROCESSING APPARATUS, PROGRAM AND IMAGE PROCESSING SYSTEM
    • 图像处理方法,图像处理装置,程序和图像处理系统
    • US20100061637A1
    • 2010-03-11
    • US12550455
    • 2009-08-31
    • Daisuke MochizukiAkiko TerayamaTakuro NodaTakuo IkedaEijiro Mori
    • Daisuke MochizukiAkiko TerayamaTakuro NodaTakuo IkedaEijiro Mori
    • G06K9/46
    • G06K9/48G06T7/12
    • An image processing apparatus includes a binarization unit that binarizes a selected image region based on prescribed criteria into an image trimming target white pixel region and a background black pixel region, a hole filling unit that fills a hole of the white pixel region by converting a black pixel surrounded by the white pixel region into the white pixel, a distance conversion unit that calculates a distance value from each white pixel to the black pixel region, a skeleton extraction unit that extracts points indicating a skeleton of the white pixel region according to each distance value, and a trimming outline determination unit that excludes a less significant point based on prescribed conditions, draws an oval or perfect circle according to each distance value, centered at a non-excluded point, and determines an outer edge of ovals or perfect circles as an outline for trimming a trimming target image.
    • 一种图像处理装置包括:二值化单元,其根据规定的标准将所选择的图像区域二值化为图像修剪目标白色像素区域和背景黑色像素区域;孔填充单元,其通过转换黑色像素区域填充白色像素区域的孔 由白色像素区域包围到白色像素的像素;距离变换单元,计算从每个白色像素到黑色像素区域的距离值;骨架提取单元,根据每个距离提取指示白色像素区域的骨架的点 值和修剪轮廓确定单元,其基于规定的条件排除较不重要的点,根据以非排除点为中心的每个距离值画出椭圆或正圆,并且将椭圆或正圆的外边缘确定为 修剪修剪目标图像的轮廓。