Application of Unmanned Aerial Vehicle Image Denoising Based on FPGA in Unmanned Aerial Vehicle Tilt Photography Assisted Intelligent Construction Site Management

Smart construction site is a smart management platform built by means of Internet, Internet of Things, big data, BIM technology, digital technology and tilt photography technology. Managers can obtain a high-precision, high-resolution real three-dimensional real-life model of the construction site through oblique photography technology. In this paper, the application of UAV(Unmanned Aerial Vehicle) tilt photography aerial survey technology combined with FPGA in smart site system effectively integrates various resources in engineering construction, cost control, safety supervision, data analysis and decision efficiency, and realizes the monitoring and management of engineering projects. According to the actual survey data information, before planning the route, the system automatically matches the points with the same name in all the images through dense matching technology, and extracts more feature points from the images to form dense point clouds, thus more accurately expressing the details of the ground objects and effectively utilizing and expressing the underground information around the rail transit line; Finally, it provides basic conditions for spatial analysis such as personnel or large-scale equipment positioning analysis, rationality analysis of underground pipeline relocation and reconstruction, and regional management of key buildings in shield area.