Patent ID: 9635243
Date: 2017-04-25
CPC Classifications: H04N

Claim:
1. An image data processing apparatus comprising: an acquisition unit configured to acquire first image data and second image data, the first image data being a group of pixel values based on a first light flux passing through a first pupil region of an imaging optical system, and the second image data being a group of pixel values based on a second light flux passing through a second pupil region of the imaging optical system, the second pupil region being different from the first pupil region and shifted along a first direction with respect to the first pupil region; a ratio data calculation unit configured to calculate (i) a value of a ratio of at least some part of the first image data and the second image data and (ii) ratio data, wherein the ratio data includes values of the ratio of the pixel values along the first direction; and a correction unit configured to correct at least one of the first image data and the second image data on the basis of the ratio data.