In recent years, the problem of aging of infrastructure and countermeasures against lack of resources and technical shortage due to the declining birthrate and aging population are becoming a social issue. In maintaining and managing structures, it takes a great deal of labor and cost because there are huge numbers of stocks and high quality technicians are required to judge the deterioration factor at the time of inspection. This is a base study that aims to develop a system which mechanically judges the deterioration factor from photographs of deteriorated concrete structure with Deep learning which has produced many results in the field of image recognition and image authentication in recent years.
