Imaging apparatus and image blur correction method
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United States of America Patent
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Jan 30, 2018
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app pub date -
May 11, 2017
filing date -
Dec 2, 2014
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Abstract
An imaging apparatus includes: a driving unit that moves a focus lens; a focusing unit that determines a focus state and outputs a focusing signal indicating a focus position of the focus lens; a control unit that controls the driving unit based on the focusing signal; an acceleration detection unit that detects acceleration in directions of three orthogonal axes; a distance calculation unit that calculates an acceleration component in an optical axis direction based on the acceleration in the directions of the three orthogonal axes detected by the acceleration detection unit and calculates an object distance corresponding to the focus position indicated by the focusing signal based on the acceleration component in the optical axis direction; and a shake correction unit that corrects an image blur caused by a translational shake in directions of two orthogonal axes perpendicular to at least an optical axis as defined herein.
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