| abstract |
The application discloses electronic endoscopes, which include a light source device for emitting illumination light and excitation light to a subject, wherein the illumination light includes green narrow-band light, and the excitation light is light for exciting the subject to generate green fluorescence, an image pickup device includes a filter, a second filter and an image sensor, a processor for generating a fluorescence image based on the fluorescence image signal, and/or generating a green narrow-band light image based on the green narrow-band light image signal, and/or generating a fusion image based on the fluorescence image signal and the green narrow-band light image signal. |