IMAGE PICKUP APPARATUS
First Claim
1. An image pickup apparatus comprising:
- an image pickup element configured to provide a photoelectric conversion to an optical image formed by an image pickup optical system;
a correlation image acquirer configured to obtain a product between a pixel value of an image output from the image pickup element and a representative value of a reference signal that fluctuates during an exposure time period for each of a plurality of divided time periods made by dividing the exposure time period by a predetermined division number; and
a correlation image calculator configured to obtain an output from the image pickup element and to calculate a sum of the product for the exposure time period as a correlation image.
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Abstract
An image pickup apparatus includes an image pickup element configured to provide a photoelectric conversion to an optical image formed by an image pickup optical system, a correlation image acquirer configured to obtain a product between a pixel value of an image output from the image pickup element and a representative value of a reference signal that fluctuates during an exposure time period for each of a plurality of divided time periods made by dividing the exposure time period by a predetermined division number, and a correlation image calculator configured to obtain an output from the image pickup element and to calculate a sum of the product for the exposure time period as a correlation image.
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Citations
13 Claims
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1. An image pickup apparatus comprising:
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an image pickup element configured to provide a photoelectric conversion to an optical image formed by an image pickup optical system; a correlation image acquirer configured to obtain a product between a pixel value of an image output from the image pickup element and a representative value of a reference signal that fluctuates during an exposure time period for each of a plurality of divided time periods made by dividing the exposure time period by a predetermined division number; and a correlation image calculator configured to obtain an output from the image pickup element and to calculate a sum of the product for the exposure time period as a correlation image. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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Specification