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High-fidelity color image acquisition with a multispectral camera utilizes optical filters to separate the visible electromagnetic spectrum into several passbands. This is often realized with a computer-controlled filter wheel, where each position is equipped with an optical bandpass filter. For each filter wheel position, a grayscale image is acquired and the passbands are finally combined to a multispectral...
Multispectral cameras enable high-fidelity color image acquisition by separation of the electromagnetic spectrum with optical bandpass filters mounted on a filter wheel between optics and imaging sensor. A multispectral image is acquired by capturing one grayscale image per wheel position and combining the images afterwards. Since the optical filters differ in their thicknesses and refraction indices,...
Multispectral filter wheel cameras divide the visible electromagnetic spectrum by using several optical bandpass filters mounted on a filter wheel and acquire one color component for each filter wheel position. Afterwards, the single images are combined into one multispectral image. While the color accuracy of this approach and the stop-band attenuation of the bandpass filters is superior to other...
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