A method for lagebstimmung of patterns according to the position and orientation of an armature for forgery detection

摘要

An anti-counterfeit detector and method for identifying whether a platen image portion to be photocopied contains one or several pre- selected monetary note patterns. The detection is performed in a rotation and shift invariant manner. Specifically, the pattern can be of any orientation and at any location of the image. Moreover, it can be embedded in any complicated image background.