Drug recognition device and method
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United States of America Patent
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Feb 26, 2019
Grant Date -
Jul 21, 2016
app pub date -
Mar 29, 2016
filing date -
Sep 30, 2013
priority date (Note) -
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Abstract
An illumination unit that can illuminate a drug having a stamped character thereon in a plurality of illumination directions surrounding the drug sequentially switches the direction in which the drug is illuminated. An imaging unit repeatedly captures the image of the drug whenever the illumination direction of the illumination unit is switched. A feature image extraction unit analyzes the captured image in each illumination direction and extracts a feature image corresponding to the shadow of the stamped character from each captured image. A feature image integration unit integrates the feature images in each illumination direction which are extracted by the feature image extraction unit to generate an integrated image. The recognition unit recognizes the stamped character included in the integrated image which is generated by the feature image integration unit and recognizes the type of drug on the basis of the result of recognizing the stamped character.
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