1. A method, in data processing system, for security screening image analysis simplification through object pattern identification, the method comprising: scanning a known safe object to form an electronic representation of the scanned know safe object; generating an electronic signature of the scanned known safe object; reducing the electronic signature of the scanned known safe object to a hash value for the scanned known safe object; adding the hash value for the scanned known safe object to a set of hash values for known safe objects; scanning an unknown object to form an electronic representation of the scanned unknown object; generating an electronic signature of the scanned unknown object; reducing the electronic signature of the scanned unknown object to a hash value for the scanned unknown object; comparing the hash value for the scanned unknown object against the set of hash values for known safe objects; responsive to the hash value for the scanned unknown object matching a hash value for a known safe object, marking the scanned unknown object as safe.