Patent ID: 9398207
Filing Date: 2016-07-19
CPC Classification: G03B,H04N

Claim Text:
1. An imaging apparatus comprising: an image-capturing element configured such that a phase difference detection pixel for detecting a focus is provided in a part of imaging pixels; an optical axis position estimation processor configured to estimate an optical axis position of an optical system configured to form an image of a subject on an image-capturing surface of the image-capturing element, from a pixel output of the phase difference detection pixel and a pixel output of the imaging pixel; and a pixel correction unit configured to correct pixel outputs of the respective phase difference detection pixels, wherein the optical axis position estimation processor includes: a relationship calculator configured to calculate a relationship between the pixel output of the phase difference detection pixel and an image height, from the pixel output of the phase difference detection pixel and a pixel output of an image pixel near the phase difference detection pixel; and an optical axis position calculator configured to calculate the optical axis position, from the relationship calculated with respect to each of a pair of the phase difference detection pixels arranged in a detection direction of a phase difference, and wherein the pixel correction unit corrects pixel outputs of the respective phase difference detection pixels in accordance with the relationship.