Patent ID: 8818062

Claim:
A fluoroscopy device comprising: a light source that irradiates a subject with excitation light and reference light; a fluorescence-image acquisition section that acquires a fluorescence image by capturing fluorescence generated in the subject irradiated with the excitation light from the light source; a reference-image acquisition section that acquires a reference image by capturing return light returning from the subject irradiated with the reference light from the light source; an observation-condition determining section that determines an observation condition of the subject on the basis of the reference image acquired by the reference-image acquisition section; a gradation-value correcting section that corrects gradation values of the reference image acquired by the reference-image acquisition section on the basis of the observation condition of the subject determined by the observation-condition determining section; and a corrected-fluorescence-image generating section that generates a corrected fluorescence image by dividing the fluorescence image acquired by the fluorescence-image acquisition section by the reference image whose gradation values have been corrected by the gradation-value correcting section.