IMAGE DATA DISTRIBUTION SERVER

摘要

[Problem];To provide an image data distribution server that is capable of distributing digitally watermarked image data that correspond to the ranks of user access rights to client terminals.;[Solution];An image data distribution server (11) has: an image data generation means that generates multiple sets of image data of various kinds on individual images of multiple pieces of electronic information of various kinds that are stored in the server; a rank-based classification means that, upon receiving requests from users for distribution of the image data, classifies the access rights of the respective users to the image data in terms of ranks on the basis of authentication results for the users; a display form changing means that adds digital watermarks that correspond to the respective access right ranks classified by the rank-based classification means to the image data in an unremovable manner; and an image data distribution means that distributes the multiple sets of image data of various kinds, including the image data to which the digital watermarks are added, to client terminals (12A-12C).

主权项

1. An image data distribution server distributing various types of a plurality of pieces of image data to clients via the Internet in response to requests from a plurality of users, the image data distribution server comprising:
image data creating means for creating various types of a plurality of pieces of image data which are individual images formed from various types of a plurality of pieces of electronic information stored in the image data distribution server; rank-based classifying means for, when the users request distribution of the image data via the clients, classifying access authority of the users for the image data into ranks based on authentication results of the users; display form changing means for changing display forms of the image data according to ranks of the access authority classified by the rank-based classifying means; and image data distributing means for distributing the various types of a plurality of image data including the image data for which the display forms are changed by the display form changing means to the clients.