In September, the school starts soon! After a long~long~ holiday, Finally waited for the Ministry of EducationInstructions for "safe start, normal start, full start" But at the same time, Campus safety issues also follow... Campus safety is the top priority In recent years, campus safety accidents have occurred frequently. In September 2019, a school-related criminal case occurred in Chaoyangpo Village, Enshi City, Hubei Province, resulting in the deaths of 8 students and injuries to 2 students, which triggered widespread discussions on campus safety issues. "How to build a safe campus environment? How to ensure the safety of teachers and students' study and life?" has become the focus of attention from all walks of life.In the beginning of the school season, there are not only students returning to school, but also parents, teachers, and even some unrelated persons who have entered the school. These people are difficult to distinguish by the naked eye. In order to fully protect the safety of students, in addition to strengthening students' safety awareness training and enhancing their self-protection capabilities, schools should also strengthen precautions from safety management facilities, so that schools have "smart" discrimination and defense capabilities. Therefore, many schools have introduced artificial intelligence technology…