Method and system for diagnosing structural damage of overwater building on basis of flow-state video monitoring

The present invention relates to a method and system for diagnosing structural damage of an overwater building on the basis of flow-state video monitoring; the system comprises a high-definition fog-penetrating camera, a base, a dedicated workstation, and a computer display; the high-definition fog-penetrating camera is mounted on the base; the base is internally provided with a cavity; a network interface and power supply interface of the high-definition fog-penetrating camera are mounted in the cavity; the high-definition fog-penetrating camera is equipped with a smart wiper module; each of the power supply interface, computer display, and dedicated workstation is connected to a power supply by means of a power cable; the network interface is connected to the dedicated workstation by means of a data transmission cable; the dedicated workstation comprises an image analysis module, a back-end database, and an alarm module. The present invention innovates a method for using video monitoring of the flow state of a flow release and a water surface line to diagnose whether damage has occurred to the structure of an overwater building, is capable of promptly detecting abnormal flow states during the flow release process and promptly taking measures to prevent damage, and can be widely used in fields such as safety monitoring of spillway facilities and teaching and research.