Paper money authenticity identification method and system based on mobile phone APP and cloud platform

The invention discloses a paper money authenticity identification method based on a mobile phone APP and a cloud platform. The method comprises: an image acquisition unit is controlled by a mobile phone APP to collect a paper money image; the mobile phone APP carries out region-of-interest marking based on template matching on the collected image and uploads the processed image to a cloud platform; the cloud platform processes the image and carries out region-of-interest-based authenticity determination on of the paper money; and the cloud platform feeds back the determination result to the mobile phone APP through a network and displays the result at the mobile phone APP. In addition, the invention also provides a corresponding paper money authenticity identification system based on a mobile phone APP and a cloud platform. According to the method and system disclosed by the invention, a defect of poor portability of the traditional money-counting machine, currency detector, and identification machine can be