A method for detecting whether an image of a characteristic portion exists in an image to be processed, comprising: sequentially cutting images of a required size from the image to be processed; and comparing the cut images with verification data corresponding to the image of the characteristic portion,...http://www.google.fr/patents/US20040228505?utm_source=gb-gplus-shareBrevet US20040228505 - Image characteristic portion extraction method, computer readable medium, and data collection and processing device
Image characteristic portion extraction method, computer readable medium ...
