Patent ID: 9204033
Filing Date: 2015-12-01
Classification: G02B,G03B,H04N

Abstract:
1. An image capture apparatus comprising: an image capture unit having a first pixel group that receives a light beam passing through a first area in an exit pupil of an imaging lens that forms an object image, a second pixel group that receives a light beam passing through a second area in the exit pupil of the imaging lens, the second area being different from the first area, and a third pixel group that receives a light beam passing through an entire area in the exit pupil of the imaging lens; a focus detection unit configured to calculate a defocus amount of the imaging lens using a first image signal obtained from the first pixel group and a second image signal obtained from the second pixel group; and an image generation unit configured to correct the first image signal and the second image signal obtained from the first pixel group and the second pixel group of the image capture unit so as to be equivalent to a third image signal obtained from the third pixel group, and to generate a captured image using a first corrected image signal, a second corrected image signal, and the third image signal, wherein the image generation unit corrects the first image signal and the second image signal at least by multiplying the first image signal and the second image signal by a gain, the gain changing based on the defocus amount calculated by the focus detection unit using the first image signal and the second image signal, and obtains the first corrected image signal and the second corrected image signal.