Patent ID: 8564654

Claim:
An image pick-up apparatus comprising: a color imager having a color filter formed on a light receiving surface thereof; a monochrome imager not having a color filter formed on a light receiving surface thereof; a light guiding unit for guiding, to the color imager and/or the monochrome imager, light originating from a subject; and an image formation unit for forming an image from a signal which is based on an output from the color imager and/or the monochrome imager; wherein: the light guiding unit guides, to the color imager and the monochrome imager, the light originating from the subject; the image formation unit includes a calculation unit for calculating a chrominance signal and a first luminance signal from a signal based on an output from the color imager, and a comparison unit for using a signal based on an output from the monochrome imager as a second luminance signal and for comparing a luminance value relating to the first luminance signal calculated by the calculation unit with a luminance value relating to the second luminance signal, and an image pick-up parameter calculation unit for calculating an image pick-up parameter of the color imager such that the luminance value relating to the first luminance signal and the luminance value relating to the second luminance signal become essentially identical with each other, when the luminance value relating to the first luminance signal and the luminance value relating to the second luminance signal are not essentially identical with each other as a result of the comparison by the comparison unit, wherein a color image is formed using a chrominance signal calculated by the calculation unit from a signal based on an output from the color imager after the image pick-up parameter calculated by the image pick-up parameter calculation unit is set for the color imager and a luminance signal which is a signal based on an output from the monochrome imager after the image pick-up parameter is set for the color imager.