| 摘要 |
A first aberration correcting unit respectively correcting, for the first wavelength and the second wavelength, amount of distortion by a correction value for a chromatic aberration of magnification at the image height, and a first position calculating unit estimating, for respective pixels corresponding to the reference wavelength, amount of displacement of an image location due to a distortion by using a basic equation expressing a relation between amount of distortion at the image height and amount of displacement, and estimating, for respective pixels corresponding to the first wavelength and the second wavelength, amount of displacement of an image location due to a distortion including a correction for the chromatic aberration of magnification by replacing the amount of distortion in the basic equation with the amount of corrected distortion.
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