Abstract

We explain a method for calculating the optimal sampling interval of color spectra. The 1269 measured Munsell matt reflectance spectra set is used as the test set. The effect of light sources on the required sampling interval with different types of spectra is studied. It is shown that a 20nm interval is enough for the smooth Munsell set alone, but 10nm is not enough for the same set matched with a fluorescent light source. However, 5nm is shown to be enough in most situations.

© 2006 Optical Society of America

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