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Optical detection of fecal contamination on poultry carcasses is addressed in this paper.Specifically, a hyperspectral imaging system with a spectral range in the visible and near-infrared is used to capture imagery of a poultry carcass. A number of image processing routines are investigated for their effectiveness and efficiency at detecting feces. Based on the need for speed, the more simplistic mathematical operations seem to hold the most promise for detecting contaminated carcasses in real-time.

Oxygenation of the facial skin was evaluated in rosacea using a hyperspectral camera. A portable imaging system utilizing crossed-polarization optics for illumination and recording is described. Relative oxygen saturation was determined from rosacea features and compared with normal skin. Saturation maps and light absorption spectra showed a significant increase in the oxygen saturation of the blood in rosacea-affected skin.