Image capture apparatus and control method thereof

摘要

An image capture apparatus includes an image pickup device, a first image stabilization unit which optically corrects an image blur by driving part of the optical system, a second image stabilization unit which electronically corrects the image blur by controlling the image readout position of the image pickup device, a shake detection unit which detects a shake of the image capture apparatus, a correction amount calculation unit which calculates an image stabilization amount based on the detected shake signal, and a division unit which divides a first image stabilization amount of a predetermined frequency band into a second image stabilization amount for correcting the image blur by the first image stabilization unit and a third image stabilization amount for correcting the image blur by the second image stabilization unit.

主权项

1. An image capture apparatus comprising:
an image pickup device which photo-electrically converts an object image formed by an imaging optical system; a first image optical stabilizer configured to optically correct an image blur by driving part of the imaging optical system in a direction in which a blur of the object image is corrected; a second image stabilization electronic processor configured to electronically correct the image blur by controlling an image readout position of said image pickup device in the direction in which the blur of the object image is corrected; a shake detector configured to detect a shake of the image capture apparatus to output a shake signal; an optical image stabilization sensitivity multiplier configured to calculate an image stabilization amount based on the shake signal detected by said shake detector; and a divider configured to divide a first image stabilization amount of a predetermined frequency band calculated by said optical image stabilization sensitivity multiplier into a second image stabilization amount for correcting the image blur by said first image optical stabilizer and a third image stabilization amount for correcting the image blur by said second image stabilization electronic processor, wherein while still image exposure is performed upon instructing a still image shooting operation during moving image recording, said first image optical stabilizer optically corrects the image blur by using a correction amount obtained by subtracting the third image stabilization amount obtained when the still image shooting operation was instructed, from the first image stabilization amount calculated during a still image exposure period.