Ticket checking system and method based on pedestrian re-identification

The embodiment of the invention discloses a ticket checking system and method based on pedestrian re-identification, the system comprises a tourist video acquisition device, a computer, a comparison database, a ticket checking video acquisition device and a channel gate, and the tourist video acquisition device acquires video data of tourists who buy tickets; the ticket checking video acquisition device acquires videos of pedestrians to be checked at each ticket checking point; the computer reads the video data, performs framing on the video data to extract pedestrian images, and stores the obtained pedestrian images in a comparison database in real time; the video of each ticket checking point is obtained, pedestrian data is obtained through real-time detection, the pedestrian data is compared with data in the comparison database, and a comparison result is transmitted to the channel gate; and the channel gate makes a release or warning action according to the comparison result. According to the invention, a