A CCD imaging element obtains a narrow band image and a wide band image from fluorescence emitted from a subject upon the irradiation by an excitation light. A reflectance image is obtained of light reflected from the subject upon the irradiation by a near-infrared light. A fluorescence value computing...http://www.google.fr/patents/US20030216626?utm_source=gb-gplus-shareBrevet US20030216626 - Fluorescence judging method and apparatus
