With the continuous advancement of urbanization, urban development has gradually revealed many problems. At the end of 2012, the establishment of a harmonious, green and smart city have been put on the agenda by the Ministry of Housing and Urban-Rural Development. Smart cities cover almost all urban component systems such as urban planning, municipal construction, transportation facilities, public services, dynamic monitoring, government decision-making, and people's livelihood and environmental protection, which pose new challenges to information acquisition and integration.
Mobile 3D laser measurement technology is an advanced 3D basic data acquisition method that has emerged in recent years. It can quickly and efficiently obtain various information of cities and help the development and implementation of various strategies in smart cities.