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    • 1. 发明授权
    • Color image processing apparatus for color-correcting input image data
using neural network
    • 使用神经网络对输入图像数据进行颜色校正的彩色图像处理装置
    • US5774230A
    • 1998-06-30
    • US652790
    • 1996-05-23
    • Makio Goto
    • Makio Goto
    • G06F15/18G06N3/00G06T11/60H04N1/46H04N1/60H04N1/40G03F3/08
    • H04N1/603
    • A color image processing apparatus including a read device for reading an original image, a color correcting device for color-correcting input image data using a color-correcting neural network, and an output device for outputting color-corrected image data. The neural network with teacher data, which are in effect learning color data reflecting the visual characteristics of human eyes, using learning data produced by reading a copy image produced based on the learning color data. Accordingly, the neural network can correct colors accurately in a manner to fully reflect the visual characteristics of human eyes, thereby making the color difference between the original image and a copy of the same less noticeable.
    • 一种彩色图像处理装置,包括用于读取原始图像的读取装置,用于使用颜色校正神经网络对输入图像数据进行颜色校正的颜色校正装置,以及用于输出色彩校正的图像数据的输出装置。 具有教师数据的神经网络,其使用通过读取基于学习颜色数据产生的复印图像而产生的学习数据,实际上学习反映人眼的视觉特征的颜色数据。 因此,神经网络可以以完全反映人眼的视觉特性的方式准确地校正颜色,从而使得原始图像与其副本之间的色差不太明显。
    • 2. 发明授权
    • Method of correcting colors and color image processing apparatus
    • 颜色校正方法和彩色图像处理装置
    • US5909506A
    • 1999-06-01
    • US753702
    • 1996-11-27
    • Makio Goto
    • Makio Goto
    • G06T5/00H04N1/46H04N1/60G06K9/00
    • H04N1/60
    • A color correcting device includes (1) a color correcting section furnished with a plurality of color correcting systems having their respective color correcting rates and color correcting accuracy, (2) a representative color selecting section for selecting representative colors from a color separation signal of an original image, and (3) a color correcting system selecting section for selecting one of the color correcting systems based on the color correcting result of the representative colors, whereby the color correcting device converts the color separation signal of the original image into a color correcting signal using the color correcting system selected by the color correcting system selecting section. This arrangement makes it possible to judge the quality of a color-corrected image without subjecting all the input image data of the original image to the color correcting operation. Consequently, a copy image of the original image can be made efficiently with satisfactory color correcting accuracy.
    • 一种颜色校正装置,包括:(1)色彩校正部,具有具有各自的颜色校正率和色彩校正精度的多个色彩校正系统;(2)代表颜色选择部分,用于从 原始图像,和(3)颜色校正系统选择部分,用于基于代表颜色的颜色校正结果来选择一个颜色校正系统,由此颜色校正装置将原始图像的分色信号转换为颜色校正 使用由颜色校正系统选择部选择的颜色校正系统的信号。 这种布置使得可以在不对原始图像的所有输入图像数据进行颜色校正操作的情况下判断色彩校正图像的质量。 因此,可以以令人满意的颜色校正精度有效地制作原始图像的复印图像。
    • 3. 发明授权
    • Image processing method and image apparatus, and image forming apparatus, program, and storage medium
    • 图像处理方法和图像装置,以及图像形成装置,程序和存储介质
    • US07142711B2
    • 2006-11-28
    • US10341720
    • 2003-01-13
    • Makio GotoMasanori MinamiTatsuya Tanaka
    • Makio GotoMasanori MinamiTatsuya Tanaka
    • G06K9/00
    • H04N1/6072
    • In a color conversion section 10a, a mode judging section 31 judges a mode in effect: a copy mode or a printer mode, according to a mode judging signal. When the copy mode is identified, the mode judging section 31 supplied RGB data to a first color conversion process section 32, and the first color conversion section 32 carries out a first color conversion process in which a transitional color conversion value, which is color-transited from a precise color conversion value and a memory color conversion value, is set as a color conversion value with respect to memory color corresponding data. When the printer mode is identified, the mode judging section 31 supplies the RGB data to a second color conversion process section 33, and the second color conversion process section 33 carries out a second color conversion process in which the memory color conversion value is set as a color conversion value with respect to the memory color corresponding data.
    • 在颜色转换部分10a中,模式判断部分31根据模式判断信号判断有效的模式:复印模式或打印机模式。 当识别复印模式时,模式判断部分31将RGB数据提供给第一颜色转换处理部分32,并且第一颜色转换部分32执行第一颜色转换处理,其中过渡颜色转换值是彩色转换处理部分, 从精确的颜色转换值和存储器颜色转换值转换,被设置为相对于存储器颜色对应数据的颜色转换值。 当识别打印机模式时,模式判断部分31将RGB数据提供给第二颜色转换处理部分33,并且第二颜色转换处理部分33执行第二颜色转换处理,其中存储器颜色转换值被设置为 相对于存储器颜色对应数据的颜色转换值。
    • 5. 发明授权
    • Image reader
    • 图像阅读器
    • US6144776A
    • 2000-11-07
    • US63518
    • 1998-04-21
    • Takahiro DaidohMakio Goto
    • Takahiro DaidohMakio Goto
    • G06T1/40G06T5/00H04T1/40
    • G06T5/008G06T5/50G06T2207/10008G06T2207/10024G06T2207/20084G06T2207/30176
    • An image reader having a shading correction function includes a scanner for scanning an original, a converter for converting the received light from the original into electric signals and outputting the electric signal as data of an read image, and a corrector for carrying out a shading correction operation on the data of the read image on the basis of a shading correction value and outputting corrected image data. The corrector computes shading correction values for the whole reading face of the original platen from the shading correction value at an arbitrary position on the reading face and carries out the shading correction operation on the data of the read image on the basis of the computed shading correction values.
    • 具有阴影校正功能的图像读取器包括用于扫描原稿的扫描仪,用于将来自原稿的接收光转换为电信号并输出​​作为读取图像的数据的电信号的转换器,以及用于执行阴影校正的校正器 基于阴影校正值对读取图像的数据进行操作,并输出校正后的图像数据。 校正器根据读取面上的任意位置的阴影校正值计算原稿台整个读取面的阴影校正值,并根据计算出的阴影校正对读取图像的数据执行阴影校正操作 价值观。
    • 6. 发明授权
    • Color image processing apparatus
    • 彩色图像处理装置
    • US5930388A
    • 1999-07-27
    • US953155
    • 1997-10-17
    • Yoshinori MurakamiTatsuya TanakaMakio Goto
    • Yoshinori MurakamiTatsuya TanakaMakio Goto
    • B41J5/30G06T1/00G06T5/00H04N1/46H04N1/60G06K9/00
    • H04N1/6019
    • A color image processing apparatus of the present invention includes (1) first lattice for dividing a color separation signal space in the form of a lattice so as to store in a table coordinates of lattice points of the color separation signal space thus divided and (2) second lattice for further dividing a specific unit cube of the lattice in the form of a lattice so as to additionally store in the table coordinates of lattice points of the specific unit cube thus divided. Depending on whether or not inputted image data of image information belong to the specific unit cube of the lattice, color correction method having different conversion accuracy is adopted, thereby permitting to provide a color image processing apparatus which reduce the occurrence of an error when color-correcting a color requiring accurate color correction, and prevent the continuity of an image from being not kept.
    • 本发明的彩色图像处理装置包括:(1)用于分割格子形式的分色信号空间的第一格子,以便存储在由此分割的分色信号空间的格点的表坐标中,(2 )第二格子,用于进一步划分格子形式的格子的特定单位立方体,以便另外存储在由此划分的特定单位立方体的格点的表坐标中。 根据图像信息的输入图像数据是否属于格子的特定单位立方体,采用具有不同转换精度的颜色校正方法,从而可以提供一种彩色图像处理装置,当彩色图像处理装置发生错误时, 校正需要精确色彩校正的颜色,并且防止不保持图像的连续性。