title: Using the optical mouse sensor as a two-euro counterfeit coin detector.
abstract: In this paper, the sensor of an optical mouse is presented as a counterfeit coin detector applied to the two-Euro case. The detection process is based on the short distance image acquisition capabilities of the optical mouse sensor where partial images of the coin under analysis are compared with some partial reference coin images for matching. Results show that, using only the vision sense, the counterfeit acceptance and rejection rates are very similar to those of a trained user and better than those of an untrained user.
authors.affiliation: Department of Computer Science and Industrial Engineering, University of Lleida, Jaume II, 69, 25001 Lleida, Spain; E-Mails:  mtresanchez@diei.udl.cat  (M.T.);  tpalleja@diei.udl.cat  (T.P.);  mteixido@diei.udl.cat  (M.T.).
authors.forename: Marcel
authors.initials: M
authors.lastname: Tresanchez
authors.forename: Tomàs
authors.initials: T
authors.lastname: Pallejà
authors.forename: Mercè
authors.initials: M
authors.lastname: Teixidó
authors.forename: Jordi
authors.initials: J
authors.lastname: Palacín