Paper sheet recognition apparatus and paper sheet recognition method

摘要

Provided is a paper sheet recognition device for recognizing a fitness and authenticity of paper sheets, by which recognition of types, authenticity, and fitness of paper sheets can be effectively performed even in the case where a large number of features should be evaluated. The paper sheet recognition device is provided with a paper sheet information acquisition unit which acquires paper sheet information which is the information relating to paper sheets, a type recognition unit which recognizes the types of the paper sheets on the basis of the paper sheet information, a fitness recognition unit which recognizes fitness of the paper sheets on the basis of the paper sheet information, and an authenticity recognition unit which recognizes the authenticity of the paper sheets on the basis of the paper sheet information, wherein the fitness recognition process of the paper sheets by the fitness recognition unit and the authenticity recognition process of the paper sheets by the authenticity recognition unit are performed in parallel.

主权项

1. A banknote recognition apparatus that performs recognition of a banknote, comprising:
an image acquiring unit that acquires an image of the banknote; a feature information acquiring unit that acquires feature information that is information relating to a feature at a specific position of the banknote; a banknote information acquiring unit that acquires, from the image acquiring unit and the feature information acquiring unit, banknote information that is information-relating to the banknote; a type recognition unit that performs recognition of a denomination and orientation of the banknote based on the banknote information and outputs the denomination and the orientation of the banknote as type recognition results; a fitness recognition unit that performs recognition of fitness of the banknote based on the banknote information and reference data including permissible range of the banknote information, the reference data are categorized denomination-wise and orientation-wise; and an authenticity recognition unit that performs recognition of authenticity of the banknote based on the banknote information, wherein a fitness recognition process performed by the fitness recognition unit includes a plurality of fitness recognition processes, at least one of the plurality of fitness recognition processes is performed without the reference data as a first fitness recognition process in parallel with a type recognition process performed by the type recognition unit, and the rest of the plurality of the fitness recognition processes using the reference data corresponding to the output from the type recognition unit as a second fitness recognition process is performed in parallel with the authenticity recognition process performed by the authenticity recognition unit.