Patent ID: 7586641

Claim:
A data processing method for an image processing system that includes a server apparatus, a print apparatus and a data processing apparatus, said method comprising: a first extraction step of extracting, based on first image data, first feature information indicating a feature of the first image data; a first transmission step of transmitting, from the data processing apparatus to the server apparatus, the extracted first feature information; a registering step of registering, at the server apparatus, the transmitted first feature information; a detecting step of detecting, at the data processing apparatus, identification information indicating the registered first feature information; a second extraction step of extracting, based on second image data, second feature information indicating a feature of the second image data; a third extraction step of extracting, based on third image data, third feature information indicating a feature of the third image data; a second transmission step of transmitting, from the data processing apparatus to the server apparatus, the detected identification information, the extracted second feature information, and the extracted third feature information; a confirming step of confirming, at the server apparatus, the transmitted second feature information based on the previously registered first feature information that is specified by the transmitted identification information; a first notification step of notifying the data processing apparatus of a confirmation result; and a print step of printing, at the print apparatus, information in accordance with the notified confirmation result, wherein the registered first feature information is replaced by the transmitted third feature information in a case where the transmitted second feature information is confirmed successfully.