CANDELA ENHANCES COLOR MANAGEMENT SYSTEM - RELEASE 2.0

Candela is a leading licensor of high-precision color transform technology
- over 500,000 licensees worldwide!

Minneapolis, Minnesota, November 2, 1993 -  Automatic color gamut mapping
is the featured addition to the Candela Color Management System (CCMS).
The CCMS library is a comprehensive set of color functions and
transformations being marketed by Candela, Ltd.  The three-year old
Minneapolis company lists names like Corel, LaserMaster, ScanView, Purup,
CCI Europe and other international companies among its high-precision
color transform licensees.

Release 2.0 Major Features

- Automatic Color Gamut Mapping between any two color gamuts using either
colorimetric or photographic modes with non-linear lightness and chroma
compression to the target gamut, automatically preserving CIE hue angle.

- On-line interface to X-Rite  spectrophotometers -  allows device
calibrations to be made in minutes.

- A raster format library - facilitates interfacing the CCMS to
applications using TIFF, Targa, EPS, DCS and Scitex CT image formats
support ing gray scale, RGB, CMYK and Lab image data.

- Support for the ANSI Standard IT8.7/1 and IT8.7/2 sc anner calibration
targets

1. Digital test target generators as either calibrated 
   RGB or lab.
2. Automatically extracts average scanner responses from 
   scan of target.
3. Automatically extracts XYZ values from IT8 data 
   reference file.

- Two unique ColorCircuitr transform types - Lab and PhotoYCC - have been
added to the existing RGB and CMYK ColorCircuit offerings. For example,
this allows direct calibrated conversion from PhotoYCC to CMYK.

- Development environments expanded - Release 2.0 now supports the Silicon
Graphics IRIX 4.0 and 5.1 operating systems as well as the PC Watcom and
Codebuilder "C" compilers.

The CCMS includes a complete object library of functions for linearizing
and characterizing devices, color gamut mapping and Macintosh application
which gives developers step-by-step assistance in creating the necessary
links and transforms for managing color among scanners, monitors, and
output devices. Other environments supported are: 

Macintosh (MPW & Think C 6.0), NeXT (NeXTSTEP 3.1), Sun SPARC (Solaris 1.1
and 2.x), PC (Windows 3.1 DLL, DOS 5.0, DOS 6.0 and NeXTSTEP 486).

With this set of color tools, any serious OEM, system integrator, or
software publisher interested in providing their customers with
professional level color solutions to color calibration, color gamut
mapping, color device profiles, and color management can significantly
shorten their time-to-market and gain considerable competitive advantage.

The Candela technology is based on high-order, non-linear, non-separable
mathematical functions which provide the smoothest color and gray tonal
transitions while executing at speeds significantly faster than
traditional floating point solutions. The implementation of the Candela
technology is made possible through the use of Candela's ColorCircuitsr
Each ColorCircuit carries the essential parameters for a complex color
transform.

"The Colorcircuit is not a look-up-table nor is it an algorithm" says
Candela's president, John Grimaldi, "but it is rather like the
coefficients in a super-matrix". "The beauty of the Colorcircuit",
continues Grimaldi, "is that several individual color transforms can be
cascaded together into one end-to-end transform (say from a scanner to a
monitor to a color hardcopy output device). This complex transform is
calculated using floating point precision  and made into Colorcircuit. The
neat part is that the ColorCircuit produced by this process can be
executed at integer arithmetic speeds. This means that large image files,
that have millions of color pixels, can be transformed at very high rates.
The end result is the optimum tradeoff between a high-quality
transformation and a high throughput algorithm. Developers now have an
extensive set of proven color tools ready to integrate into their product
using their graphical user interface (GUI) that best fits their company's
look-and-feel."

"Candela's business focus is providing the best color transform technology
to its clients. The company is investing a good portion of its retained
earnings in additional environments for hosting the Candela technology.
This means that we are committed to supporting our developers in their
chosen color environments; whether they be DSP accelerators, powerful
workstations or popular personal computers. Candela's color transformation
quality has never been equaled in any competitive benchmarks. We have a
growing list of international clients, using our technology, that are
bringing their products to market now."

Release 2.0 of the Candela Color Management System Library is now shipping
to existing master-distribution licensees for a $1,500 upgrade fee and to
new master-distribution customers for $9,500. The single user price for
Release 1.1 is $7,500.00.

Both versions include a CCMS library, the CCMS Evaluator, and API
documentation.

A 138 page detailed Application Program Interface (API) is available to
qualified developers.

Candela, Ltd. 
1676 East Cliff Rd
Burnsville, MN 55337-1300
Phone: 612/894-8890,  FAX: 612/894-8840

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