Study on Efficiency of Large-scale Special Bridge Inspection by UAV Equipped with Visual SLAM

Abstract

It is important to improve the efficiency of bridge inspections because of deterioration of many bridges and shortage of engineers. In this paper, for the purpose of efficienct inspection without overlook at large-scale special bridges, we examined the use of 3D models and orthomosaic images generated from images acquired by UAV equipped with Visual SLAM. As a result, it was confirmed that 3D models with accuracy and orthomosaic images which can recognize the defects of bridge are generated and be able to use for bridge inspection and repair.