A method for managing genuine characteristics of both an electronic document and a print medium comprising: a step for recognizing image data contained in the electronic document; a step for applying an extraction condition of an image feature previously determined and must be considered to the recognized...http://www.google.es/patents/US7224820?utm_source=gb-gplus-sharePatente US7224820 - Electronic document, genuineness management method for print medium thereof, genuineness management system, program, and program recording medium
Electronic document, genuineness management method for print medium thereof ...
