Brief Introduction of the Second Surveying and Mapping Institute of Hunan Province

Established in 1974, the Second Surveying and Mapping Institute of Hunan Province is a public institution directly under the Hunan Provincial Department of Land and Resources, providing technical services and technical support for the land and resources management and economic and social development of the province. It is also one of the first units of the National Surveying and Mapping Geographic Information Bureau to issue Grade A qualification certificates for surveying and mapping. It has Grade A qualification in surveying and mapping, aerial photography, land planning, public land evaluation, geological disaster risk assessment and geological disaster control engineering design, and its business scope covers geodesy, aerial photography and remote sensing, engineering survey, topographic survey, cadastral survey, real estate survey, mine survey, underground pipeline survey, database construction, geographic information system engineering, land resources survey, land planning and rural land comprehensive improvement engineering design. In recent years, with the support of provincial offices, the institute has successively equipped the world's most advanced aerial photography system Leica ADS 100, Microsoft UC Eagle, Leica DMC III and domestic advanced unmanned aerial photography system, introduced the world-class automatic processing system for remote sensing images, and has the most advanced software and hardware for aerial imaging and satellite remote sensing processing at home and abroad. It has formed a strong ability to acquire and post-process high, medium and low altitude photographic data, and is the only surveying and mapping unit in Hunan Province with the ability of large-scale field survey, mid and low altitude aerial photogrammetry and satellite remote sensing survey.