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What is Color Profile

Chapter 1
Handbook of Research on Emerging Digital Tools for Architectural Surveying, Modeling, and Representation
A color profile is a numerical model of a color space. Operating systems and programs need to have access to a profile that describes the meaning of the color values in order to interpret the color correctly. Proper color management requires all image files to have an embedded profile. Profiles describe the color attributes of a particular device or viewing requirement by defining a mapping between the device source or target color space and a profile connection space (PCS). This PCS is either CIELAB (L*a*b*) or CIEXYZ. Mappings may be specified using tables, to which interpolation is applied, or through a series of parameters for transformations. ICC ( International Color Consortium ) defined the most common profile format ICC. ICC 4.0 format is today the standard for device profiles.
Published in Chapter:
Color Acquisition, Management, Rendering, and Assessment in 3D Reality-Based Models Construction
Marco Gaiani (Università di Bologna, Italy)
Copyright: © 2015 |Pages: 43
DOI: 10.4018/978-1-4666-8379-2.ch001
Abstract
In this chapter are presented a framework and some solutions for color acquisition, management, rendering and assessment in Architectural Heritage (AH) 3D models construction from reality-based data. The aim is to illustrate easy, low-cost and rapid procedures that produce high visual accuracy of the image/model while being accessible to non-specialized users and unskilled operators, typically Heritage architects. The presented processing is developed in order to render reflectance properties with perceptual fidelity on many type of display and presents two main features: is based on an accurate color management system from acquisition to visualization and more accurate reflectance modeling; the color pipeline could be used inside well established 3D acquisition pipeline from laser scanner and/or photogrammetry. Besides it could be completely integrated in a Structure From Motion pipeline allowing simultaneous processing of color/shape data.
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