Procedure for the recognition of a coined in a coin in an automatic coin machine image.

摘要

Procedure for the recognition of a coined in a coin in an automatic coin, with the following process steps image: - the coin to an image receiver and a light source is transported, the light source illuminates the image coined from various directions and the image receiver records for each illumination direction an image separately from the embossed image, - the image receiver generates individual images a differential image of the image coined in the coin, the differential image is binarized, - an evaluation device compares the differential image to a first reference sample if the differential image contains the first reference sample, - the evaluation device generates based on the coincidence of the image with the reference samples a signal of authenticity or falsehood for currency, - when the first reference is contained in the image, the disposi tive evaluation compares whether a second reference pattern is contained in an area whose position is determined relative to the position of the first reference.