| 摘要 |
A security access control system comprises: a pair of protective walls and a ceiling for forming a passage; an entrance door and an exit door provided at both ends of the passage; a plurality of entrance cameras provided at the entrance of the passage so as to photograph a face of a visitor in a front direction and in both side directions at a 15 degree angle; an entrance display provided at the entrance of the passage so as to output a directive command prepared in advance so as to control the behaviors of visitors; an entrance speaker provided at the entrance of the passage so as to output the displayed directive command as a voice; an infrared sensor provided at the entrance of the passage so as to sense that a visitor has entered the entrance; a passage light provided on the inner side of the ceiling; a passage speaker provided on the inner side of the ceiling so as to output a voice of a user; a passage camera provided on the inner side of the ceiling so as to photograph a visitor within the passage; and a control computer which compares an image of the face photographed by the entrance cameras with an image of a list provided in real time from a DB server, provides an alarm to the user if the photographed image is consistent with a predetermined image of the list by 60% or more according to the comparison result, controls the system such that the entrance door and the exit door close when it is sensed that the visitor enters the entrance by the infrared sensor if the photographed image is consistent with the predetermined image by 75% or more according to the comparison result, and displays, on a display, an image of the visitor photographed by the passage camera such that the user can monitor the face and the behaviors of the visitor. |
