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Image processing apparatus, image processing method

An image processing device and color chart technology, applied in the field of image processing, can solve the problems of a lot of time and skilled work

Inactive Publication Date: 2010-01-20
FUJIFILM BUSINESS INNOVATION CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, for manual calibration, a lot of skill is required as well as a lot of time
In other words, if the accuracy of color reproduction error correction for a specific color is to be improved, such complicated work requires a lot of time and skilled work.

Method used

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  • Image processing apparatus, image processing method
  • Image processing apparatus, image processing method
  • Image processing apparatus, image processing method

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Embodiment Construction

[0017] An image processing device, a computer readable medium storing an image processing program, an image processing method, and a data signal according to exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.

[0018] First, the schematic structure of the image processing device will be described by taking the case where the image processing device is applied to a color proofing system as an example. The color proofing system is operated by outputting a proof obtained by simulating the printing colors of a target device using a simplified color printer as an output device in a process before a printed matter is produced by a printing press as a target device, and based on the Proof for color correction.

[0019] figure 1 is a functional block diagram showing a schematic structural example of an image processing apparatus according to an exemplary embodiment of the present invention. Such as figure 1 As shown, ...

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Abstract

An image processing apparatus includes a profile generating section, a designating section, a calculating section and a correcting section. The profile generating section generates a color conversion profile based on first calorimetric values obtained from a first color chart output from a target device and second calorimetric values obtained from a second color chart from an output device other than the target device. The calculating section calculates difference information between a first data value obtained by converting a designated color into a device-independent color space and a second data value obtained by converting the designated color using the color conversion profile into an intermediate color and converting the intermediate color using the device-independent color space. The correcting section corrects the first calorimetric values based on the difference information. The profile generating section generates the color conversion profile again based on the corrected first colorimetric values.

Description

technical field [0001] The present invention relates to an image processing device, an image processing method and a data signal capable of performing color conversion of a color image. Specifically, the present invention relates to an image processing device, an image processing program, and an image processing method suitable for use in a color proof system. Background technique [0002] In recent years, so-called color proofing systems have been used in the color printing industry in which, in the process before a print is formed by a printing press such as a rotary press for forming the final print, the output is output by using A proof made by a simplified color printer, such as an electrophotographic printer or an inkjet printer, to simulate process colors from which color corrections can be made. [0003] In order to perform color correction using such a color proofing system, colors reproducible by a printing press need to be reproduced by a color printer. Incident...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N1/60H04N1/56H04N1/46
CPCH04N1/6055G06T5/009G06T2207/10024G06T5/92
Inventor 樱井拓也
Owner FUJIFILM BUSINESS INNOVATION CORP
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