| 摘要 |
PROBLEM TO BE SOLVED: To provide an intercom system which effectively uses a memory without storing unnecessary images.SOLUTION: The intercom system has an entrance image storage part 31b which stores an image captured when called from an entrance device, a door phone image storage part 31a which stores an image captured when called from a door phone, a face authentication part 33 which determines whether the images are identified with the same person, based on the recorded image stored in the entrance image storage part 31b and the recorded image stored in the door phone image storage part 31a, and an image deletion part 35 which deletes the image stored in the door phone image storage part 31a when the face authentication part 33 determines that the images are identified with the same person. |
