Unauthorized personnel intrusion detection system and intrusion detection method thereof

The invention discloses an unauthorized personnel intrusion detection system and an intrusion detection method thereof, and aims to efficiently identify and distinguish authorized and unauthorized personnel by combining high-precision positioning and camera linkage technologies so as to realize effective unauthorized personnel intrusion detection. Firstly, the position of an authorized person is accurately positioned by using a high-precision positioning technology, then the focal length and angle of a camera are adaptively adjusted based on the position to obtain a high-definition target image, and then identity information of the high-definition target person is verified through an advanced human body feature matching technology, so that the authorized person and the unauthorized person are effectively distinguished; and finally, an alarm is given and information is uploaded to the unauthorized intruder. Based on fusion of high-precision positioning and a camera linkage technology, the accuracy and effectiv