Patent ID: 11906439
Assignee: TOSHIBA DIGITAL SOLUTIONS CORPORATION
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 10:
11. The optical inspection apparatus according to claim 6, wherein the color filter is configured to
emit the light beam having the first wavelength and a light beam having a third wavelength different from the second wavelength toward the imaging unit in accordance with the light beam direction from the subject in a state in which the light beam intensity of the first wavelength, the light beam intensity of the second wavelength, and a light beam intensity of the third wavelength have a complementary relationship, and
causes the imaging unit to acquire each of the information of the first image, the information of the second image, and information of a third image related to the light beam having the third wavelength, and
the processor is configured to extract the unevenness information of the subject by comparing at least two pieces of information of the information of the first image, the information of the second image, and the information of the third image.