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| CandelaColor® Correct The CandelaColor® Correct Library is the color engine behind Pictographics award winning iCorrect and iCorrect Professional color correction products and PictoColor Corporation's new CorrectPhoto™ Digital Photo Editing Companion for Windows XP. It is designed to very efficiently and easily transform digital images from unknown, un-calibrated, and un-profiled color space into a known calibrated and profiled color space. Examples of images of this type include stock photography on CD-ROM, images from digital cameras, images from scanners (especially negative film scanners), images obtained from the Internet, and legacy image archives.
CandelaColor®
Correct technology creates a color correction “profile or
function” by direct analysis of a digitized image. The
correction profile is based on associating color groups of the original
image with color groups obtained either from reference images or
mathematical color models. Once the color correction profile has
been made, it may be applied to the original image or any other images
needing the same correction. The technology uses an approach to
color editing that allows direct interaction with the image or, in many
situations, totally automates the color correction process. In
either case, the image may be easily and accurately corrected in a very
short time, without repetitive steps or trial-and-error methods. CandelaColor®
Correct technology was developed by Pictographics International
Corporation. The technology is licensed to digital
imaging software developers, system companies, hardware manufacturers,
and Internet based imaging services under Pictographics Digital Color
Technology License Agreement. It is available as a library or DLL.
Technical Overview Monitor RGB Foundational
to the whole library’s approach to color correction is the notion of a
colorimetric monitor RGB. Much
like the RGB working space found in Adobe Photoshop, the library
requires the RGB system to have an unambiguous colorimetric meaning by
tying it to the CIE color system. This allows the color correction to
have meaning to other programs afterward, and it also allows for the
possibility of properly displaying the color image for the user by
taking into account the monitor profile. Memory Colors The
library has the ability to create correction functions that map selected
RGB colors into a form that matches a predefined memory color
definition. For example,
the library has built-in, device independent definitions for a few
common colors, such as skin tone, foliage and neutrals. Colors from the
image, when interpreted to device-independent color through the monitor
parameters, may be made to align with corresponding definitions by
applying the proper transformation.
This transformation is computed automatically by the library. Color Sampling RGB
colors are taken from a low resolution representative of the full
resolution image by using user-selected “marks”, or pixel
coordinates as seed points from which similar colors are contiguously
collected. Each mark is
associated with a particular memory color definition, allowing the
memory color correction to take place. Application Examples
CandelaColor® Correct technology is the foundation of PictoColor's CorrectPhoto digital photo editor. Application
Program Interface An API describing the CandelaColor
EditLab Library is available to qualified developers.
To request a copy please contact us. |
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