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Understanding Color Inconstancy in Paper and Print: A Comprehensive Overview

This paper explores the concept of color inconstancy, a phenomenon where the perceived color of an object changes under different lighting conditions. It examines the quantitative description of light sources, physical objects, and the human visual system's ability to measure color correspondence. The significance of understanding color inconstancy is vital for color technologies, as identical colored objects can appear drastically different under varying illumination. This study emphasizes the necessity for accurate color representation across different monitors and printed materials.

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Understanding Color Inconstancy in Paper and Print: A Comprehensive Overview

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  1. Paper & PrintColor Inconstancy Elena Nikora, IMPIT-2006 Supervisor Birgitta Martinkauppi autumn 2007

  2. What is COLOR? 1) Light sources quantitatively described from spectral distribution of their energy and standardized as illuminants. 2) Physical objects are described by their shape and and spectral distribution of transmitted or reflected light energy. 3) Human visual system quantitatively described as ability to measure color correspondence. Сolor is an attribute of visual perception. Result of color perception depends on 3 components.

  3. Color Inconstancy Color inconstancy is the change in color of a single sample under different illuminants. It stands as a very important problem for color technologies as under different lightning conditions same-colored objects can look completely different. It is necessary to know how the color sample looks on other monitors or when printed on paper.

  4. Compensating Color Inconstancy One-pixel mode

  5. Compensating Color Inconstancy Image mode

  6. Thanks for your attention!

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