A Color Correction Method for Multispectral Camera
A color correction and color correction coefficient technology, applied in the field of aerospace remote sensing, can solve the problems of multiple setting parameters, output DN value changes, high cost, etc., and achieve the effect of improving the synthesis accuracy
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[0026] First, a brief introduction to the basic theory of colorimetry is given. The color of objects can be divided into two categories: self-luminous and non-luminous. The former is called the light source color, and the latter is called the object color. According to the principle of chromaticity, whether it is the color of the light source or the color of the object, its color mainly depends on the spectral power distribution of the light radiation directly entering the observer's eyes. The general formula for calculating the tristimulus value (XYZ) of a color is
[0027]
[0028] In the formula: X, Y, Z—color tristimulus value;
[0029] K - normalization factor;
[0030] φ(λ)——the spectral power distribution of the light radiation directly entering the observer's eyes;
[0031] - Spectral tristimulus value of standard chromaticity observer;
[0032] Δλ——wavelength interval.
[0033] The color of the filter glass belongs to the transmitted object color. Therefor...
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