Patent ID: 11900571
Assignee: CANON KABUSHIKI KAISHA
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 11:
12. The imaging device according to claim 1,
wherein the distortion correction unit includes
an image data accumulation unit configured to accumulate the color image data of at least two colors generated by the demosaic unit,
an output region selection unit configured to select a region of image data to be output at a predetermined resolution,
an optical characteristic information storage unit configured to store optical characteristics of the optical system,
a read region calculation unit configured to acquire optical characteristic information from the optical characteristic information storage unit based on the information input from the output region selection unit and to calculate a region to be read from the image data accumulation portion,
an image data reading unit configured to read image data from the image data accumulation unit based on the information input from the read region calculation unit, and
an interpolation processing unit configured to perform an interpolation process by using image data output from the image data reading unit.