DRONE – PHOTOGRAMETRY

The use of drones in the field of geodesy is an increasingly common form of obtaining spatial data. The use of UAVs with the GPS function for aerial studies is a more advantageous solution in terms of the cost-effectiveness of performing a given image, compared to renting an airplane or a helicopter. The use of unmanned aircraft allows us not only to optimize working time while maintaining the required precision, but also to combine the results of work with materials obtained from the Center of Geodetic and Cartographic Documentation.
The main product we receive from the photogrammetric raid carried out with the help of BSP is:

• Digital Terrain Model (NMT), which is a digital reflection of the terrain surface
• Numerical Terrain Coverage Model (NMPT), which presents the surface model with natural and anthropogenic elements.

These models have found a number of applications in the following industries: construction, road, mining, telecommunications, monuments, tourism and agriculture.

We use drones for tasks related to various types of inspections of hard to reach places, e.g. wind farms, roofs, heaps, etc., by taking photos or video recordings. UAVs have also been used in works related to the assessment of the technical condition of buildings and critical infrastructure facilities. The ability to create 3D models of real objects with a combination of 3D laser scanning allows for faithful reproduction of buildings, cultural heritage objects and others.
We also use unmanned aerial vehicles to create orthophotomaps, which are characterized by parameters that enable the update of basic maps, regulation of legal status or use as material for further spatial planning.
Non-metric photos taken from the raid allow you to obtain a three-dimensional model, by recognizing the same points from multiple camera positions. Then, the 3D model can be presented as a dense point cloud and subjected to further spatial analysis and calculations.