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    • 1. 发明授权
    • Image-processing apparatus and image-processing method
    • 图像处理装置和图像处理方法
    • US06631210B1
    • 2003-10-07
    • US09414736
    • 1999-10-08
    • Takeshi MutohSetsuya KobayashiTakayuki AmagaiSeiji KohashikawaTakahiro Daido
    • Takeshi MutohSetsuya KobayashiTakayuki AmagaiSeiji KohashikawaTakahiro Daido
    • G06K934
    • H04N1/56H04N1/40062
    • An image-processing apparatus, as well as an image-processing method, is provided with a first inspection circuit which, with respect to density values of pixels within a specific area consisting of a target pixel and pixels in a vicinity thereof in image data for each color component, calculates an average density value, the sum of density differences, that is, the sum of absolute values of differences between the target pixel and the peripheral pixels, and the number the peripheral pixels having the same density value as the target pixel, so that a judgement is made as to whether the target pixel is a maximum value or a minimum value, and also calculates a run-length and the degree of busy from the pixel forming the maximum value or the minimum value. Moreover, based on the run-length and the degree of busy, the second inspection circuit extracts a pixel weight switching signal for each of the color components, and detects the periodicity of meshes of image data by counting pixels not less than the standard value or not more than the standard value based on the pixel weight switching signal within a predetermined counting area. With this arrangement, it becomes possible to carry out the discrimination between character areas and mesh areas as well as the discrimination between black character areas and white character ares with high precision.
    • 图像处理装置以及图像处理方法具有:第一检查电路,对于由图像数据的图像数据中的目标像素和其附近的像素构成的特定区域内的像素的浓度值, 每个颜色分量计算平均密度值,密度差的和,即目标像素和周边像素之间的差的绝对值之和以及与目标像素具有相同密度值的周边像素的数量 ,从而判断目标像素是最大值还是最小值,并且还从形成最大值或最小值的像素计算游程长度和繁忙程度。 另外,根据游程长度和忙碌程度,第二检查电路提取每个颜色分量的像素权重切换信号,并且通过对不小于标准值的像素进行计数来检测图像数据的网格周期,或者 不超过预定计数区域内的像素权重切换信号的标准值。 利用这种布置,可以高精度地执行字符区域和网格区域之间的区分以及黑色字符区域和白色字符区分。
    • 9. 发明授权
    • Function display method and multi-functional apparatus having display embodying such method
    • 功能显示方法和具有这种方法的显示器的多功能装置
    • US06606465B2
    • 2003-08-12
    • US09731472
    • 2000-12-07
    • Takeshi MutohMasao MurakamiKenji Itoh
    • Takeshi MutohMasao MurakamiKenji Itoh
    • G03G1500
    • G06K15/00G03G15/502H04N1/0035H04N1/00384H04N1/00437H04N1/00477H04N1/00915H04N1/32496
    • When any of the functions: copier function, printer function and facsimile function, are not being performed, the function information display portion provides display messages ‘Copier available’, ‘Printer available’ and Fax available’, using the display areas equal in size, arranged in the vertical direction. When a print request is given from an external apparatus, the function information display portion provides a display message ‘Printer function engaged’ along with the image processing operating conditions and provides display messages ‘Copier function partly available’ and ‘Facsimile function partly available’ in the left and right halves of the display section. While the printer function is in progress, the information relating to the printer function is displayed in the display area four times as large as that for the copier function and that for the facsimile function.
    • 当没有执行复印机功能,打印机功能和传真功能的任何功能时,功能信息显示部分使用尺寸相等的显示区域提供显示消息“可用复印机”,“可用打印机可用”和可用传真“ 沿垂直方向排列。 当从外部设备给出打印请求时,功能信息显示部分与图像处理操作条件一起提供显示消息“打印机功能接合”,并且提供“复印机功能部分可用”和“部分可用传真功能”的显示消息 显示部分的左半部和右半部分,打印机功能正在进行时,与打印机功能相关的信息显示在复印机功能和传真功能的显示区域的四倍。