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    • 2. 发明授权
    • Color separation method and image processing apparatus
    • 颜色分离方法和图像处理装置
    • US08184348B2
    • 2012-05-22
    • US12282661
    • 2007-03-12
    • Kazuhiro SaitoMasaomi Takahashi
    • Kazuhiro SaitoMasaomi Takahashi
    • H04N1/46H04N1/60G06K9/00
    • H04N1/6022G06T11/001
    • In a case wherein a color separation table is prepared, color separation is provided, so that the density characteristic to be output is maintained, and the total colorant amount is not beyond the limit value of the total colorant amount. Further, the optimal color separation is performed while taking into account the colorant amount, and the colorant amount of a light color is adjusted in the entire color range to control granularity and consumption of the colorant amount. A color separation method comprising: a step of calculating the total colorant amount by employing a relationship between a total colorant amount limit value and a colorant amount, that includes a colorant amount for a colorant other than the dark colorant and the light colorant; a step of calculating a density; and a step of employing the total colorant amount and the density to calculate the colorant value signals.
    • 在制备色分离表的情况下,提供颜色分离,使得保持输出的浓度特性,并且总着色剂量不超过总着色剂量的极限值。 此外,在考虑着色剂量的同时进行最佳的颜色分离,并且在整个颜色范围内调节着色剂的着色剂量以控制着色剂的粒度和消耗。 一种颜色分离方法,包括:通过使用总着色剂极限值和着色剂量之间的关系来计算总着色剂量的步骤,其包括除了着色剂和浅色剂之外的着色剂的着色剂量; 计算密度的步骤; 以及使用总着色剂量和密度来计算着色剂值信号的步骤。
    • 5. 发明授权
    • Color separation method and image processing device
    • 颜色分离方法和图像处理装置
    • US07791763B2
    • 2010-09-07
    • US11737204
    • 2007-04-19
    • Masaomi TakahashiKazuhiro Saito
    • Masaomi TakahashiKazuhiro Saito
    • G03F3/08
    • H04N1/40087
    • A dark and light color separation of four fundamental colors into color materials containing light ink is realized at high speeds. A cross patch where a discrete color material amount with regard to two kinds of color materials having a different density is distributed in a cross pattern is printed by an image output device. In addition, there are produced a density characteristics map and a color material amount characteristics map. Accordingly, the cell of the equal color material amount is searched within a range not exceeding a target color material use amount from the color material characteristics map and the cell of the equal density is searched within a range not exceeding a target density from the density characteristics map. As a result, it is possible to determine a combination of a color material amount of each of a dark color material and a light color material.
    • 以高速度实现了将四种基本颜色深色和浅色分离成含有浅色墨水的彩色材料。 通过图像输出装置印刷交叉贴片,其中关于具有不同密度的两种颜色材料的离散色料量以十字图形分布。 另外,生成密度特性图和色素量特性图。 因此,从颜色材料特性图在不超过目标色材使用量的范围内搜索等色材料量的单元,并且在不超过目标密度的范围内从密度特性中搜索等浓度的单元 地图。 结果,可以确定每种暗色材料和浅色材料的着色材料量的组合。
    • 6. 发明申请
    • COLOR RESOLUTION METHOD AND VIDEO IMAGE PROCESSING DEVICE
    • 颜色分辨率方法和视频图像处理装置
    • US20090073474A1
    • 2009-03-19
    • US12282661
    • 2007-03-12
    • Kazuhiro SaitoMasaomi Takahashi
    • Kazuhiro SaitoMasaomi Takahashi
    • H04N1/60G06K9/00
    • H04N1/6022G06T11/001
    • In a case wherein a color separation table is prepared, color separation is provided, so that the density characteristic to be output is maintained, and the total colorant amount is not beyond the limit value of the total colorant amount. Further, the optimal color separation is performed while taking into account the colorant amount, and the colorant amount of a light color is adjusted in the entire color range to control granularity and consumption of the colorant amount. A color separation method comprising: a step of calculating the total colorant amount by employing a relationship between a total colorant amount limit value and a colorant amount, that includes a colorant amount for a colorant other than the dark colorant and the light colorant; a step of calculating a density; and a step of employing the total colorant amount and the density to calculate the colorant value signals.
    • 在制备色分离表的情况下,提供颜色分离,使得保持输出的浓度特性,并且总着色剂量不超过总着色剂量的极限值。 此外,在考虑着色剂量的同时进行最佳的颜色分离,并且在整个颜色范围内调节着色剂的着色剂量以控制着色剂的粒度和消耗。 一种颜色分离方法,包括:通过使用总着色剂极限值和着色剂量之间的关系来计算总着色剂量的步骤,其包括除了着色剂和浅色剂之外的着色剂的着色剂量; 计算密度的步骤; 以及使用总着色剂量和密度来计算着色剂值信号的步骤。
    • 8. 发明申请
    • COLOR SEPARATION METHOD AND IMAGE PROCESSING DEVICE
    • 颜色分离方法和图像处理装置
    • US20070247678A1
    • 2007-10-25
    • US11737204
    • 2007-04-19
    • Masaomi TakahashiKazuhiro Saito
    • Masaomi TakahashiKazuhiro Saito
    • G03F3/08
    • H04N1/40087
    • A dark and light color separation of four fundamental colors into color materials containing light ink is realized at high speeds. A cross patch where a discrete color material amount with regard to two kinds of color materials having a different density is distributed in a cross pattern is printed by an image output device. In addition, there are produced a density characteristics map and a color material amount characteristics map. Accordingly, the cell of the equal color material amount is searched within a range not exceeding a target color material use amount from the color material characteristics map and the cell of the equal density is searched within a range not exceeding a target density from the density characteristics map. As a result, it is possible to determine a combination of a color material amount of each of a dark color material and a light color material.
    • 以高速度实现了将四种基本颜色深色和浅色分离成含有浅色墨水的彩色材料。 通过图像输出装置印刷交叉贴片,其中关于具有不同密度的两种颜色材料的离散色料量以十字图形分布。 另外,生成密度特性图和色素量特性图。 因此,从颜色材料特性图在不超过目标色材使用量的范围内搜索等色材料量的单元,并且在不超过目标密度的范围内从密度特性中搜索等浓度的单元 地图。 结果,可以确定每种暗色材料和浅色材料的着色材料量的组合。