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    • 5. 发明授权
    • Image processing apparatus and method
    • 图像处理装置及方法
    • US06433889B1
    • 2002-08-13
    • US09069761
    • 1998-04-30
    • Ritsushi Tanabe
    • Ritsushi Tanabe
    • B41B2700
    • H04N1/58
    • A printer system and method for printing a clear image. When black characters or characters printed in a black reverse are expanded, the contours thereof are printed in black only and the inside or the outside of the contours which are designated to be printed in black color are printed in the three colors such as magenta, cyan and yellow in half tone or in an pseudo-half tone as well as in black. Image data is expanded on a image memory according to instructions from a computer. A black-color determining unit determines whether or not the expanded image data includes a black pixel and an edge extracting unit extracts an edge pixel in the expanded image data. A selector selects a black color only for a black edge portion and selects other colors in a half tone or in a pseudo-half tone as well as in black for a black but non-edge portion. It outputs the image according to such selections to a color printer.
    • 用于打印清晰图像的打印机系统和方法。 当以黑色反转打印的黑色字符或字符被扩展时,其轮廓仅以黑色印刷,并且被指定为以黑色印刷的轮廓的内部或外部以三种颜色印刷,例如品红色,青色 半色调或半色调的黑色以及黑色。 图像数据根据来自计算机的指令在图像存储器上扩展。 黑色确定单元确定扩展图像数据是否包括黑色像素,并且边缘提取单元提取扩展图像数据中的边缘像素。 选择器仅为黑色边缘部分选择黑色,并且选择半色调或伪半色调的其他颜色以及黑色但非边缘部分的黑色。 它根据这样的选择将图像输出到彩色打印机。
    • 7. 发明授权
    • Image processing apparatus and method for expanding color images based
on block pixel and edge detection
    • 用于基于黑色像素和边缘检测来扩展彩色图像的图像处理装置和方法
    • US5777758A
    • 1998-07-07
    • US39746
    • 1993-03-30
    • Ritsushi Tanabe
    • Ritsushi Tanabe
    • B41J2/525G06K15/00G09G5/22H04N1/46H04N1/58H04N1/21G06F15/00H04N1/40
    • H04N1/58
    • A printer system amd method for printing a clear image. When black characters or characters printed in a black reverse are expanded, the contours thereof are printed in black only and the inside or the outside of the contours which are designated to be printed in black color are printed in the three colors such as magenta, cyan and yellow in half tone or in an pseudo-half tone as well as in black. Image data is expanded on a image memory 1 according to instructions from a computer 1. A black-color determining unit determines whether or not the expanded image data includes a black pixel and an edge extracting unit 105 extracts an edge pixel in the expanded image data. A selector selects a black color only for a black edge portion and selects other colors in a half tone or in a pseudo-half tone as well as in black for a black but non-edge portion. It outputs the image according to such selections to a color printer.
    • 用于打印清晰图像的打印机系统amd方法。 当以黑色反转打印的黑色字符或字符被扩展时,其轮廓仅以黑色印刷,并且被指定为以黑色印刷的轮廓的内部或外部以三种颜色印刷,例如品红色,青色 半色调或半色调的黑色以及黑色。 图像数据根据来自计算机1的指令在图像存储器1上扩展。黑色确定单元确定扩展图像数据是否包括黑色像素,并且边缘提取单元105提取扩展图像数据中的边缘像素 。 选择器仅为黑色边缘部分选择黑色,并且选择半色调或伪半色调的其他颜色以及黑色但非边缘部分的黑色。 它根据这样的选择将图像输出到彩色打印机。
    • 8. 发明授权
    • System for processing a color image
    • 用于处理彩色图像的系统
    • US06731399B2
    • 2004-05-04
    • US07904562
    • 1992-06-26
    • Yasumichi SuzukiYoshinori IkedaSatoshi TanioRitsushi Tanabe
    • Yasumichi SuzukiYoshinori IkedaSatoshi TanioRitsushi Tanabe
    • G06F1500
    • G06K15/00G06K2215/0011G06K2215/0065G06K2215/0094H04N1/46
    • A color image processing system is provided which receives binary image data from an external device, which generates the binary image data, so as to form color images. This system has a first mode in which a receiving side receives the same binary image signal color plane by color plane so that a color process is performed. It also has a second mode in which a printer receives binary image data in a plane sequence, which data indicates color planes corresponding to the types of coloring materials used for a printing operation of the printer, and then, the printer performs binary printing in accordance with the binary image data. An indicating device for indicating the first or second mode selects the first or second mode with respect to the binary image data from the external unit.
    • 提供一种从外部设备接收二进制图像数据的彩色图像处理系统,其生成二进制图像数据,以形成彩色图像。 该系统具有第一模式,其中接收侧通过颜色平面接收相同的二进制图像信号颜色平面,从而执行颜色处理。 它还具有第二模式,其中打印机以平面顺序接收二进制图像数据,该数据指示与用于打印机的打印操作的着色材料的类型相对应的颜色平面,然后打印机按照 与二进制图像数据。 用于指示第一或第二模式的指示装置相对于来自外部单元的二进制图像数据选择第一或第二模式。