PREPROCESSING APPARATUS FOR RECOGNIZING USER
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United States of America Patent
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Issued Date -
Jun 25, 2015
app pub date -
May 12, 2014
filing date -
Dec 24, 2013
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Abandoned
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Abstract
A preprocessing apparatus of recognizing a user. The preprocessing apparatus may include an image acquisition controller to compare a received filmed image and a pre-registered background image, and update the pre-registered background image based on whether light is changed; a Modified Census Transform (MCT) transformer to transform the pre-registered background image or the updated background image through an MCT method to generate an MCT background image, and transform the received filmed image through the MCT method to generate an MCT filmed image; and a difference image processor to differentiate the MCT filmed image and the MCT background image to generate a difference image.
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