Color management system, standardized operation and applications – color management, specification – Printing Industry
Printed in the color printing process and the original color difference between a problem and needs to standardize the color management system, full control. The so-called color management system, is the input and output for color graphic information relating to equipment or media conversion relationship between the color management system, is to make all kinds of equipment, matching each other in information transmission, true reproduction of original color, so that "the See the income. "
Color Management Standardization of operating systems and applications (HC printing network with map)
Print Network HC Printed in the color printing process and the color difference between the original problem and needs to standardize the color management system, full control. The so-called color management system, is the input and output for color graphic information relating to equipment or media conversion relationship between the color management system, is to make all kinds of equipment, matching each other in information transmission, true reproduction of original color, so that "the See the income. "
Original input device can be Scanners (Flat or roller), PhotoCD or digital camera, its color documents can be Laser imagesetter , Digital proofer, printing presses and other equipment output. This involves input and output devices such as printed materials, precision and quality of pigment and standardized mapping between the problem, this article will be a few specific elements of color management.
In electrical extension of the times, color separations from the original to the screening is completed within the machine color management, the previous "original copy" the original color as long as the correct set of color separations and output matching networks, power extension on output color separations to reproduce original film. Now, most of prepress processing system to go through the manuscript to the RGB file from RGB files to CMYK files, the RGB file to the display, to separations from the CMYK file version, and color plates Proofer A number of different devices (or media) and between the different color space conversion process. Therefore, pre-press processing system has the internal process is divided into several independent but interrelated processes.
Color on the performance testing of equipment
To standard color management system, we must first device color performance was determined. Determination of color properties is colorimetric methods on equipment calibration. Color data conversion between different media before the equipment must be calibrated. Therefore, calibration equipment is described as the basis of characteristics.
Calibration process is to ensure that equipment (such as scanners, monitors, Printer Etc.) color matching. Calibration device to determine the same color at different times the performance of the deviation of the color information access and delivery process with temporal coherence and consistency of standards, to ensure that all equipment in their own way (such as brightness RGB, CMYK density), the correct color.
1. Scanner calibration
Scanner calibration is measured from the original calibration of the specific intensity, will be the subject of the project have brightness, contrast ( value), white (R, G, B three color balance). As the deviation of the device itself, environmental factors such as temperature and humidity can affect the accuracy of machine calibration, so the scanner except their own self-calibration, and its operating software must also be marked with a special subroutine.
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