Image reading apparatus and method for successively reading a plurality of partial images from a relatively moving object
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United States of America Patent
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Jan 22, 2013
Grant Date -
Nov 12, 2009
app pub date -
Jul 22, 2009
filing date -
Jan 24, 2007
priority date (Note) -
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Abstract
An image reading apparatus includes a fingerprint sensor that acquires a plurality of first images obtained by successively reading the portions of a relatively moving object, an extrapolation section that extrapolates the plurality of first images to generate a plurality of second images obtained by extending the image area of the first image, and a relative position detection section that calculates the relative position between the plurality of images or the plurality of second images based on a plurality of images including at least the plurality of first images or the plurality of second images.
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