Color processing apparatus and computer-readable medium storing color processing program

Inactive Publication Date: 2011-07-28
FUJIFILM BUSINESS INNOVATION CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Benefits of technology

[0010]According to an aspect of the invention, there is provided a color processing apparatus including a memory, a color-difference-accuracy unit, an invertibility-accuracy calculating unit, and an output unit. The memory stores a patch set including multiple patch colors. The color-difference-accuracy calculating unit calculates a color difference between a measured color value and a predicted value as a color-difference accuracy. The measured color value corresponds to a target color that has been set in advance. The predicted value is predicted from the target color using a color conversion model that has been generated from

Problems solved by technology

Furthermore, also when the input/output characteristics of an apparatus is subjected to modeling, thereby obtaining a model, it takes time to configure the model.
Thus, the number of colors that are to be included in a patch set is limited.
As described above, it is difficult to simply determine

Method used

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  • Color processing apparatus and computer-readable medium storing color processing program
  • Color processing apparatus and computer-readable medium storing color processing program
  • Color processing apparatus and computer-readable medium storing color processing program

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Embodiment Construction

[0024]FIG. 1 is a configuration diagram illustrating a first exemplary embodiment of the present invention. A memory unit 11 stores one patch set or multiple patch sets, and each patch set includes multiple patch colors.

[0025]A color-difference-accuracy calculating unit 12 calculates a color-difference accuracy for a patch set stored in the memory unit 11. A color-difference accuracy is calculated as a color difference between a measured color value that corresponds to a target color which is set in advance and a predicted value that is predicted from the target color using a color conversion model. The color conversion model is a model that is generated from pairs of individual patch colors included in the patch set and measured color values corresponding to the individual patch colors, and may be generated using a commonly known technology. For example, there are various methods such as a method in which a neural network is caused to perform a learning process, a method in which a do

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Abstract

A color processing apparatus includes a memory, a color-difference-accuracy calculating unit, an invertibility-accuracy calculating unit, and an output unit. The memory stores a patch set including patch colors. The color-difference-accuracy calculating unit calculates, as a color-difference accuracy, a color difference between a measured color value, which corresponds to a target color, and a predicted value, which is predicted from the target color using a color conversion model generated from the patch set and measured color values corresponding to the patch colors. The invertibility-accuracy calculating unit calculates, as an invertibility accuracy, a difference between the target color and a predicted target color that is predicted from the predicted value using a model with which transformation is performed in a direction opposite to a direction of transformation using the color conversion model. The output unit outputs the color-difference accuracy and the invertibility accuracy.

Description

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Claims

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Application Information

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Owner FUJIFILM BUSINESS INNOVATION CORP
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