Anti-counterfeiting method and anti-counterfeiting device for separating and counting non-touch paper currency or tickets
2009
The invention discloses an anti-counterfeiting method and an anti-counterfeiting device for separating and counting non-touch paper currency or tickets. The separating and counting method comprises the following steps: a, acquiring digital video images of end faces of the paper currency or the tickets; and b, inputting the acquired digital video images into a processing control system, carrying out gradient operation and converting the digital video images into gray level images, sampling a plurality of sheets from the gray level images, analyzing and processing the gray level images to acquire each sampled sheet number, and using the number with highest occurrence frequency as the number of the paper currency sheets. The anti-counterfeiting method comprises the following steps: carrying out optical irradiation for at least one end face of the detected paper currency or the tickets by using an anti-counterfeiting light source, then carrying out image acquisition for the end face of the paper currency or the tickets, inputting the images into the processing control system, and comparing the images and pre-stored data of a program, wherein if the images are matched with the data, the paper currency or the tickets are real, otherwise, the paper currency or the tickets are false. The device comprises a digital video acquisition device, a data memory, a program memory, a digital signal processor and an interface communication module. The method and the device can effectively prevent the paper currency from generating dust pollution and from being damaged during the separating and counting, and improve the counting precision and speed.
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