Patent ID: 9250121
Filing Date: 2016-02-02
CPC Classification: G01J,G02B,H01L,H04N

Claim Text:
1. An imaging apparatus comprising: a color filter array comprising five or more types of color filters having different spectral sensitivity characteristics, with at least two types of color filters among the five or more types of the color filters being designated as color filters of interest, the five or more color filters being arranged in a two dimensional form such that two of the color filters arranged on both sides of each of the color filters of interest at a first interval along a first direction are of the same type, and two of the color filters arranged at a second interval on both sides of the color filter of interest along a second direction different from the first direction are of the same type; an image sensor comprising a plurality of pixels covered by the color filters of any type in the color filter array, the plurality of pixels generating pixel signals in accordance with the quantity of received light; and one or more processors comprising hardware, wherein the one or more processors are configured to implement a derivative calculation unit that, in a single frame image captured by the image sensor,