The urban rail transit operation public security high-definition video surveillance system solution is aimed at the security needs of the operating department and the public security department. It selects various front-end and video codec and control products of Camorion, and provides video surveillance services and intelligent applications through a unified platform to meet the requirements of the rail The needs of traffic operation owners for passenger transportation organization and emergency command, as well as the needs of subway public security management for real-time on-site images and case verification basis.a