Abstract

When a measured spectrum is digitized and stored in the computer’s memory, many pixel pairs can be used for color temperature evaluation. Although calculated color temperature for an individual pair can oscillate a lot, the average color temperature tends to be quite accurate if enough pairs (50–100) are used. The sensitivity of calculated mean color temperature to noise and linear variation of emissivity (as a function of wavelength) are described. It was found that the influence of noise is much greater than that of emissivity variations.

© 1988 Optical Society of America

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Optical Methods of Temperature Measurement

George A. Hornbeck
Appl. Opt. 5(2) 179-186 (1966)

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