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Reproduction of colored images on absorbent substrates using color blending techniques

A substrate, color technology, applied in the field of technology, can solve problems such as complexity

Inactive Publication Date: 2004-11-10
MILLIKEN & CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

It should be noted that this process greatly complicates the task of accurately predicting the resulting color of mixed dyes by the fact that the second dye is attached after the first and thus on top of the first

Method used

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  • Reproduction of colored images on absorbent substrates using color blending techniques
  • Reproduction of colored images on absorbent substrates using color blending techniques
  • Reproduction of colored images on absorbent substrates using color blending techniques

Examples

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Embodiment Construction

[0041] While the dithering process is performed manually, ie, using trial and error and checking the results by observation, the dithering process used in most computer applications, including the computer-controlled dye process described below, is based on mathematical operations. In the process used here, the computer considers each pixel or image element in the design to be reproduced individually in turn in an adaptive dithering process. The desired color of the pixel (ie, the "target" color) is mathematically compared to the available process colors and all specific mixtures in the liquid dye system that can be reliably formed from these process colors. Due to the ubiquity of computer display devices (which represent colors in RGB values) in most graphic design systems, it is known that the use of the RGB color space facilitates such mathematical operations. However, other notation methods or systems may be used with appropriate modifications to the specific illustrations...

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Abstract

A process by which dithering techniques may be used to reproduce a desired multi-colored dyed pattern on a substrate using precisely delivered quantities of liquid colorants that are available in only a relatively few colors. In one embodiment, the process is one in which a designer, working with a conventional computer-aided design system, can be provided with an image that accurately predicts the appearance of individual colorants, or a specific combination of colorants that are physically blended on the substrate within specified pixels, as those colorants would appear on the substrate selected by the designer. In other embodiments incorporating the process disclosed herein, specific actuation instructions for a specific dye injection machine capable of patterning a moving textile substrate may be generated.

Description

technical field [0001] The present invention relates to a computer-aided process in which a designer can predict the appearance of a desired multicolor pattern on a substrate created using precise release of the amount of liquid colorant of only a few available colors. In particular, the present invention relates to a process by which a designer can reproduce an arbitrary color image by using a computer-aided design system, using a relatively small palette of colors, and using a dithering method, and can obtain an image which The performance of that image on a particular substrate can be accurately predicted. In other embodiments disclosed herein using this process, specific triggering instructions may be generated for a specific color jet capable of patterning a moving fabric substrate. Background technique [0002] It is well known in the field of computer graphics that images displayed by computer cathode ray tubes (CRTs) or liquid crystal displays (LCDs) or other simila...

Claims

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Application Information

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IPC IPC(8): B41J2/525D06B11/00D06P7/00H04N1/46H04N1/60
CPCD06B11/0059
Inventor K·D·韦斯特L·W·小亚当斯
Owner MILLIKEN & CO
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