Color code

Article Abstract:

Color management systems (CMSs) enable color to be produced uniformly among different input or output devices by altering the cyan, magenta, yellow and black (CMYK) or red, green and blue (RGB) values to suit a particular device. Since CMYK and RGB color specifications are device-specific, a color shade produced by a scanner may not be the same color shade when transferred into a computer. CMS manages the ranges of color that a machine can produce, determining the color values on one device and adjusting them to produce the same values on another. A few companies are now producing desktop CMSs, mainly for Apple Macintoshes. EFI Corp offers Cachet, a color editor and separation program, for $395. Kodak's ColorSense color management system is under $500 and its PCS100 Precision Color Management System costs between $35,000 and $40,000. Apple is expected to release its ColorSync color management system-level architecture by the end of 1992.

Usage, Product information, Image processing, Image processing equipment industry, Color Separation, RGB, CMY

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Angling for color: how to navigate the world of postscript color

Article Abstract:

Advances in imagesetter calibration, desktop scanners and film-transport mechanisms now allow users to create color separations on PostScript imagesetters, a cheaper option than using high-end color prepress houses. However, results can sometimes be less than perfect because a final job may have big areas that seem to be made up of small lace doily patterns. These patterns are called moires. They develop because of mis-registration between color plates and the limitation of screen-angle technology utilized in most PostScript imagesetters. Some vendors have countered the moire problem by using sets of empirically established screen angles and frequencies that are published by Adobe Systems. Linotype-Hell will be introducing a unique patented screen technology that uses Hell's irrational High Quality Screening algorithm for the firm's PostScript RIP 30 rasterizer.

Product development, Desktop publishing software, Typesetting, Scanning, Guidelines, DTP Software, Page Description Language, Imagesetter, Imagesetters, Linotype-Hell Ltd.

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HiFi Color: an experimental process tackles the deficiencies of four-color printing

Article Abstract:

The High Fidelity Color Project (HFCP) is developing HiFi Color as a standard for using seven to twelve process colors to produce a far wider range of colors than CMYK four-color printing methods can generate. The worldwide color printing market is expected to reach $150 billion by the year 2000, of which HiFi Color may have as much as a 20 percent share. The HFCP was originated by L. Mills Davis and his Davis Inc and is backed by a wide range of computer hardware, software and materials companies. HiFi Color will be the high-end color technology, providing a flexible number of process colors that can be tailored to particular printing applications. The technology, though, will require more computing power, more sophisticated scanning and separation software, and new proofing methods, inks and screening techniques.

Commercial nonphysical research, Nonferrous foundries, not elsewhere classified, Standards, Research, Standard, Standardization, Industrial research, Printing industry, Research and Development, Color-printing, Color printing, Davis Inc. (Kentwood, Michigan)

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