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    • 1. 发明申请
    • IMAGE PROCESSING METHOD AND IMAGE PROCESSING APPARATUS
    • 图像处理方法和图像处理装置
    • US20110116141A1
    • 2011-05-19
    • US12687128
    • 2010-01-14
    • Hui-Jan ChienTsai-Hsing ChenLi-Kai ChoChiung-Sheng WangSung-Hui Lin
    • Hui-Jan ChienTsai-Hsing ChenLi-Kai ChoChiung-Sheng WangSung-Hui Lin
    • G06K9/40G06K9/34H04N1/40
    • G06K9/00456
    • An image processing method, for receiving an input image and separating pixels having text characteristics and pixels having figure characteristics, includes: applying a first filtering processing for the input image to derive a first image processing result; applying a second filtering processing for the first image processing result to derive a second image processing result, wherein a distribution of filtering parameters of the first filtering processing is different from a distribution of filtering parameters of the second filtering processing; deriving a set of first reference values according to the first image processing result and the second image processing result; and determining whether each pixel within the input image is a text pixel or a figure pixel according to at least the set of the first reference values and a predetermined threshold.
    • 一种用于接收输入图像并分离具有文字特征的像素和具有图形特征的像素的图像处理方法,包括:对输入图像应用第一滤波处理以导出第一图像处理结果; 对所述第一图像处理结果应用第二滤波处理以导出第二图像处理结果,其中所述第一滤波处理的滤波参数的分布与所述第二滤波处理的滤波参数的分布不同; 根据第一图像处理结果和第二图像处理结果导出一组第一参考值; 以及根据至少所述第一参考值的集合和预定阈值来确定所述输入图像内的每个像素是文本像素还是图形像素。
    • 5. 发明授权
    • Image processing method and image processing apparatus
    • 图像处理方法和图像处理装置
    • US08233713B2
    • 2012-07-31
    • US12687128
    • 2010-01-14
    • Hui-Jan ChienTsai-Hsing ChenLi-Kai ChoChiung-Sheng WangSung-Hui Lin
    • Hui-Jan ChienTsai-Hsing ChenLi-Kai ChoChiung-Sheng WangSung-Hui Lin
    • G06K9/40G06K9/34G06K9/00
    • G06K9/00456
    • An image processing method, for receiving an input image and separating pixels having text characteristics and pixels having figure characteristics, includes: applying a first filtering processing for the input image to derive a first image processing result; applying a second filtering processing for the first image processing result to derive a second image processing result, wherein a distribution of filtering parameters of the first filtering processing is different from a distribution of filtering parameters of the second filtering processing; deriving a set of first reference values according to the first image processing result and the second image processing result; and determining whether each pixel within the input image is a text pixel or a figure pixel according to at least the set of the first reference values and a predetermined threshold.
    • 一种用于接收输入图像并分离具有文字特征的像素和具有图形特征的像素的图像处理方法,包括:对输入图像应用第一滤波处理以导出第一图像处理结果; 对所述第一图像处理结果应用第二滤波处理以导出第二图像处理结果,其中所述第一滤波处理的滤波参数的分布与所述第二滤波处理的滤波参数的分布不同; 根据第一图像处理结果和第二图像处理结果导出一组第一参考值; 以及根据至少所述第一参考值的集合和预定阈值来确定所述输入图像内的每个像素是文本像素还是图形像素。