Patent ID: 8371429

Claim:
A paper sheet recognition apparatus comprising: a sensor that measures a plurality of feature amounts of a given paper sheet from a plurality of paper sheets; a recognition unit that generates recognition result information related to whether the given paper sheet is genuine and fit, genuine and unfit, or counterfeit, based on the plurality of feature amounts; a memory unit that stores therein selectable tables, each table having a plurality of pieces of category classification pattern information including criteria to determine at least one of authenticity and fitness of the given paper sheet, at least one of the selectable tables being previously defined; and a category determining unit that determines a category of the given paper sheet from a plurality of categories by comparison of the recognition result information from the recognition unit and the criteria included in one of the selectable tables selected by a user, wherein the category determining unit classifies the given paper sheet into one of the categories based on the comparison, the categories including unrecognizable, counterfeit, suspect, genuine and fit, and genuine and unfit.