| 摘要 |
PROBLEM TO BE SOLVED: To accurately measure an absolute distance between the distal end of a light projection part for irradiating a subject with light and the subject and to obtain the image with quantitativeness of the subject without influenced by the distance form the subject. SOLUTION: An endoscope observation device 1 has a light irradiating portion 12 irradiating the subject facing the distal end of an inserting body 6 with light and a light receiving portion 12 receiving the observing light returning from the subject and an ultrasonic sensor 13 measuring the absolute distance between the inserting body 6 and the subject by the oscillation of ultrasonic wave in the distal end of the inserting body 6 arranged in a body cavity, a correction portion 32 correcting the brightness information of the observing light from the absolute distance information acquired by the ultrasonic sensor 13, and an image forming part 24 forming the image of the subject from the brightness information of the observing light corrected by the correction portion 32. COPYRIGHT: (C)2009,JPO&INPIT
|
