Clarifying the information of the «Public Cadastral Map» based on user ground photography

The necessity of clarifying the public cadastral maps using satellite images as a background is considered in this article. The reasons for mismatch between different layers and the measures to improve the quality of the original photogrammetric base are substantiated here as well. The authors developed the methodology for the information base of the "public cadastral map" service based on user ground photography in order to improve the quality of photographic bases of public cadastral maps. The authors also made the conclusions and recommendations for the implementation of such measures.