| 摘要 |
PROBLEM TO BE SOLVED: To provide a server device and the like that achieve securement of secrecy and copyright protection of an event by automatically determining permission or prohibition for photographing the event and controlling propriety of storing photographed image data on the basis of the determined result, and that are able to improve advertisement of the event and the satisfaction level of participants participating in the event.SOLUTION: A server device obtains, as image feature quantity data, data of an image feature quantity for authentication used when data of a preservation object image that was imaged by a communication terminal device 10 and a user of the communication terminal device 10 hopes to store is stored as preservation object image data. On the basis of the image feature quantity indicated by the image feature quantity data and an authentication pattern, which is a pattern of the image feature quantity storage of which should be permitted, the server device determines whether the preservation object image data is stored or not, and transmits the determined result data to the communication terminal device 10. |
