Description:
The art, science, and industry of coloring.
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radiometric calibration for a digital camera using a color chart?
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Hi all, I know a good way to radiometrically calibrate a low-cost camera (which uses a color filter array) is using a uniformly illuminated color chart (such as Macbeth color chart). However, I do not know exactly how to do it. I have some experiences with colorimetric calibration for a scanner with a Q-60 target. I am... more »
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spectral reflectance (VIS and NIR)
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Hi, Dear friends, I am looking for a data set of spectal reflectance of different known polymers and pigments which included both visible and NIR part of spectrum. Is there any one who knows any downloadable data set? Thanks a lot Saeideh Gorji
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New Book published by Springer
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We would like to inform you about new book published by Springer: "Recent Advances in Multimedia Signal Processing and Communications" Edited by: Mislav Grgic, Kresimir Delac, Mohammed Ghanbari Publisher: Springer 662 pages, 296 illustrations (171 in color), Hardcover ISBN 978-3-642-02899-1 [link]... more »
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How to generate a perceptual 2-dimensional color map...
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Hello, I want to define a colormap f based on 2 parameters X and Y, such that when drawing a patch with a color f(x,y), I shall perceptually infer from that color f(x,y) the values X=x and Y=y for the two parameters. What could be a colormap perceptually relevant for this task? I tried using interpolated color map from RGB space such that : f(0,0)... more »
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tunable filters, portable spectrophotometer
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Hi, I have a question about tunable filters, they have special aperture size, I want to know if its aperture size is for example 1"; it can only be used with a camera with the similar or smaller aperture? Another question, is there any portable spectrophotometer which can support multi aperture shapes? For instance, it can be used for... more »
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Color Charts under two illuminant
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Hi, I search for the rgb data of a specific chart such as macbeth captured by a specified camera under 2 illuminants (for instance: A & D65). Is there anyone who can help me please? Thanks, Saeideh
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