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Optically-based system for processing banknotes based on security feature emissions
Optically-based system for processing banknotes based on security feature emissions
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机译:基于防伪特征发射的基于光学的纸币处理系统
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摘要
A method and a system are disclosed for processing a banknote. The method includes providing a banknote having at least one photonically active security feature, the banknote being moved along a conveyance path; illuminating the at least one security feature with light from a stimulus source; identifying a location of the at least one security feature by detecting an emission from the security feature; directing an excitation source at the identified location; illuminating the at least security feature with light from the excitation source; and detecting a further emission from the photonically active security feature in response to the light from the excitation source. The step of identifying may include operating a linescan camera having scan axis that is parallel to a conveyance axis, or a scan axis that is perpendicular to the conveyance axis.
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