Patent ID: 6856414

Claim:
An image data communication system in which a plurality of client computers and a server system are capable of communicating with each other via a network, wherein one of said client computers includes: an original-image data specifying unit for specifying original-image data that is to be transmitted to said server system; and an original-image data transmitting unit for transmitting the original-image data, which has been specified by said original-image data specifying unit, to said server system; and said server system includes: an original-image data receiving unit for receiving the original-image data transmitted from said original-image data transmitting unit; an image data generating unit, which responds to receipt of the original-image data by said original-image data receiving unit, for generating reduced-data-quantity image data of same format of two stages representing at least two images possessing data quantities of at least two stages in each of which the quantity of data is less than that of the original-image data; and a unit for associating the original-image data, which has been received by said original-image data receiving unit, and the reduced-data-quantity image data that has been generated by said image data generating unit.