Patent ID: 7463287

Claim:
An image pick-up apparatus comprising: an optical lens system; a solid-state image pick-up device that converts a light signal incident through the optical lens system into an electric signal, the solid-state image pick-up device comprising first pixels that are used to pick up a color image, a second pixel disposed in a predetermined region of the solid-state image pick-up device, the second pixel being used for distinguishing a light source type, first to third filters mounted on the first pixels, and a fourth filter with peak sensitivities at two or more different wavelengths, wherein one of said different wavelengths is a wavelength in the vicinity of 520 nm or a wavelength in the vicinity of 580 nm, the fourth filter being mounted on the second pixel; and a control unit that distinguishes a light source type based on (i) a signal charge output from a first pixel mounted with the first filter and (ii) a signal charge output from the second pixel, wherein the control unit automatically adjusts a white balance of a color pick-up image of the solid-state image pick-up device.