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    • 31. 发明授权
    • Image processor for printing
    • 用于打印的图像处理器
    • US06965453B1
    • 2005-11-15
    • US09541902
    • 2000-04-03
    • Kenji Mori
    • Kenji Mori
    • G06F3/12B41J2/525B41J5/30G06T1/00H04N1/41H04N1/46H04N1/60G06F15/00G06K9/00H04N1/36
    • H04N1/46
    • To enable processing both the image data of RGB and the image data of CMYK and enhance printing speed, the following measures are taken. An image processor for printing according to the present invention is provided with an expander for expanding both the image data in the first color space of RGB and others and the image data in the second color space of CMYK and others and image data supply means for converting expanded image data to the image data in the second color space and supplying it to a print engine if the expanded image data is the image data in the first color space or supplying expanded image data to the print engine without converting it if the expanded image data is the image data in the second color space. If image data in the first color space is supplied from a host computer and if image data in the second color space is supplied, the image data is also once compressed and is stored in a memory, the compressed image data is expanded by the image processor for printing as it is, is converted only in the case of the image data in the first color space and is supplied to the print engine as the expanded image data in the second color space.
    • 为了能够处理RGB的图像数据和CMYK的图像数据,并且提高打印速度,采取以下措施。 根据本发明的用于打印的图像处理器设置有扩展器,用于扩展RGB等的第一颜色空间中的图像数据和CMYK等的第二颜色空间中的图像数据和用于转换的图像数据提供装置 将扩展图像数据扩展到第二颜色空间中的图像数据,并且如果扩展图像数据是第一颜色空间中的图像数据或将扩展图像数据提供给打印引擎,则将其提供给打印引擎,如果扩展图像数据 是第二个颜色空间中的图像数据。 如果从主计算机提供第一颜色空间中的图像数据,并且如果提供第二颜色空间中的图像数据,则图像数据也被一次压缩并存储在存储器中,压缩图像数据被图像处理器 为了打印原样,仅在第一颜色空间中的图像数据的情况下被转换,并且作为第二颜色空间中的扩展图像数据被提供给打印引擎。