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    • 1. 发明授权
    • Image output apparatus, image test system, and density correction method
    • 图像输出装置,图像测试系统和密度校正方法
    • US08639128B2
    • 2014-01-28
    • US13067748
    • 2011-06-23
    • Hiroyuki KawamotoKazunari Tonami
    • Hiroyuki KawamotoKazunari Tonami
    • G03G15/00
    • G03G15/5058G03G15/5041
    • An image output apparatus includes: an image forming unit that forms an image on a recording medium; a test-threshold acquiring unit that acquires a test threshold that is a pass-fail criterion for the image test for determining whether the test image data passes or fails the image test; a changing unit that changes a density detection mode of at least one of the image forming unit and the image reading apparatus on the basis of the test threshold; a density correcting unit that corrects density used in an image forming process performed by the image forming unit; and a reference-image-data acquiring unit that acquires the reference image data.
    • 图像输出装置包括:图像形成单元,其在记录介质上形成图像; 获取测试阈值的测试阈值获取单元,所述测试阈值是用于确定所述测试图像数据是否通过所述图像测试的所述图像测试的通过失败准则; 改变单元,其基于测试阈值改变图像形成单元和图像读取装置中的至少一个的浓度检测模式; 密度校正单元,其校正由所述图像形成单元执行的图像形成处理中使用的密度; 以及参考图像数据获取单元,其获取参考图像数据。
    • 2. 发明授权
    • Image forming apparatus, image forming method, and computer program product
    • 图像形成装置,图像形成方法和计算机程序产品
    • US08547596B2
    • 2013-10-01
    • US13137052
    • 2011-07-18
    • Kazunari TonamiHiroyuki Kawamoto
    • Kazunari TonamiHiroyuki Kawamoto
    • G06F15/00G06K1/00H04N1/60
    • G06K15/027H04N1/6033
    • An image forming apparatus includes a first density correction unit that corrects density correction characteristics in correcting density of print image data to be output by using a density correction patch formed in an image forming process; a second density correction unit that corrects the density correction characteristics by using a density correction patch printed on a recording sheet; an image inspection unit that compares an image density of inspection image data obtained by scanning a printed output image with an image density of the print image data to be output, thereby inspecting a magnitude of a density change in the printed output image; and a density control unit that selects one from the first and second density correction units according to the magnitude of the density change and causes the density correction characteristics to be corrected by the selected one from the first and second density correction units.
    • 图像形成装置包括:第一浓度校正单元,其通过使用在图像形成处理中形成的浓度校正贴片来校正校正要输出的打印图像数据的浓度的浓度校正特性; 第二浓度校正单元,通过使用印刷在记录纸上的浓度校正贴片来校正浓度校正特性; 图像检查单元,其将通过扫描打印的输出图像获得的检查图像数据的图像浓度与要输出的打印图像数据的图像浓度进行比较,从而检查打印输出图像中的浓度变化的大小; 以及浓度控制单元,其根据所述浓度变化的大小从所述第一浓度校正单元和所述第二浓度校正单元中选择一个,并且使所述浓度校正特性由所述第一和第二浓度校正单元中的所选浓度校正单元进行校正。
    • 5. 发明申请
    • Image forming apparatus, image forming method, and computer program product
    • 图像形成装置,图像形成方法和计算机程序产品
    • US20120019844A1
    • 2012-01-26
    • US13137052
    • 2011-07-18
    • Kazunari TonamiHiroyuki Kawamoto
    • Kazunari TonamiHiroyuki Kawamoto
    • G06K15/02
    • G06K15/027H04N1/6033
    • An image forming apparatus includes a first density correction unit that corrects density correction characteristics in correcting density of print image data to be output by using a density correction patch formed in an image forming process; a second density correction unit that corrects the density correction characteristics by using a density correction patch printed on a recording sheet; an image inspection unit that compares an image density of inspection image data obtained by scanning a printed output image with an image density of the print image data to be output, thereby inspecting a magnitude of a density change in the printed output image; and a density control unit that selects one from the first and second density correction units according to the magnitude of the density change and causes the density correction characteristics to be corrected by the selected one from the first and second density correction units.
    • 图像形成装置包括:第一浓度校正单元,其通过使用在图像形成处理中形成的浓度校正贴片来校正校正要输出的打印图像数据的浓度的浓度校正特性; 第二浓度校正单元,通过使用印刷在记录纸上的浓度校正贴片来校正浓度校正特性; 图像检查单元,其将通过扫描打印的输出图像获得的检查图像数据的图像浓度与要输出的打印图像数据的图像浓度进行比较,从而检查打印输出图像中的浓度变化的大小; 以及浓度控制单元,其根据所述浓度变化的大小从所述第一浓度校正单元和所述第二浓度校正单元中选择一个,并且使所述浓度校正特性由所述第一和第二浓度校正单元中的所选浓度校正单元进行校正。
    • 9. 发明授权
    • Image data correcting device for correcting image data to remove back projection without eliminating halftone image
    • 图像数据校正装置,用于校正图像数据以去除背投影而不消除半色调图像
    • US08023157B2
    • 2011-09-20
    • US11892107
    • 2007-08-20
    • Yuji TakahashiHiroyuki KawamotoHiroaki Fukuda
    • Yuji TakahashiHiroyuki KawamotoHiroaki Fukuda
    • H04N1/407H04N1/409G06T5/00G03F3/08
    • H04N1/4095
    • An image data correcting device eliminates a back projection image without eliminating an image corresponding to a low-intensity halftone image. An intensity difference detection part detects an intensity difference between first image data corresponding to a part of a predetermined small area and second image data corresponding to the remaining parts of the predetermined small area. A halftone detection part determining whether the first image data corresponds to a halftone image. An intensity change part changes an intensity of the first image data to a predetermined low intensity, when the intensity difference is equal to or smaller than a first predetermined value and the first image data does not correspond to the halftone image and the intensity of the first image data is equal to or smaller than a second predetermined value.
    • 图像数据校正装置消除背投影图像而不消除与低强度半色调图像相对应的图像。 强度差检测部分检测对应于预定小区域的一部分的第一图像数据与对应于预定小区域的剩余部分的第二图像数据之间的强度差。 确定第一图像数据是否对应于半色调图像的半色调检测部分。 当强度差等于或小于第一预定值并且第一图像数据不对应于半色调图像和第一图像的强度时,强度变化部分将第一图像数据的强度改变为预定的低强度 图像数据等于或小于第二预定值。
    • 10. 发明申请
    • Image output inspection system, image inspection apparatus, and computer program product
    • 图像输出检测系统,图像检测仪器和计算机程序产品
    • US20110141526A1
    • 2011-06-16
    • US12926828
    • 2010-12-13
    • Hiroyuki Kawamoto
    • Hiroyuki Kawamoto
    • H04N1/405
    • H04N1/40075
    • An image-output inspection system includes a printer controller that generates output image data subjected to halftone processing in accordance with an input image forming condition specified in a printer language, an image output device that forms an image on an image output medium on the basis of the output image data, and transmits the output image data, an image reader that reads the image output medium, and generates read image data, and an image inspection apparatus that is connected to the image output device, and generates correct image data by restoring image data before subjected to the halftone processing from the output image data, and determines whether a print state of the image output medium is good or not by comparing the correct image data with the read image data.
    • 图像输出检查系统包括:打印机控制器,其根据打印机语言指定的输入图像形成条件生成经过半色调处理的输出图像数据;图像输出装置,其基于图像输出介质在图像输出介质上形成图像 输出图像数据,并且发送输出图像数据,读取图像输出介质的图像读取器,并且生成读取的图像数据,以及连接到图像输出装置的图像检查装置,并且通过恢复图像生成正确的图像数据 在从输出图像数据进行半色调处理之前的数据,并且通过将正确的图像数据与读取的图像数据进行比较来确定图像输出介质的打印状态是否良好。