Results of analysing and processing spatial data – file outputs and compatibility

Professional photogrammetry software enables operators to create a range of outputs in industry-standard file formats …

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Drone Glossary — essential terms from the field of unmanned aerial vehicles and aerial photography

10 essential rules for safe flying set by the Civil Aviation Agency of the Republic of Slovenia (CAA) ...

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What are the typical causes for anomalies in the overlap of aerial photo stereo pairs?

In real circumstances, the aircraft (and camera within) direction and position can be disturbed by external factors causing anomalies in the overlapping of aerial photo pairs ...

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What do we need to pay attention when mapping large areas?

Mapping large areas requires the right equipment, software and plenty of planning. Large areas pose a unique set of challenges including...

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What are the characteristics and differences between RTK and PPK drone?

Today, there are currently two technologies driving the conversation around GPS correction technology – Real Time Kinematic (RTK) and Post Processing Kinematic (PPK)...

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Obtaining economical point clouds from semi-global matching (SGM)

Semi-global matching allows high-density point clouds of the first reflective surface to be rapidly and automatically extracted from stereo-imagery ...

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What is the role of the image matching procedure in photogrammetry?

In the photogrammetry for the creation of point clouds, digital 3D models and orthophoto maps a stereo pair of aerial photographs is used ...

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Why phenomena of Ghosting and Motion Blur occur in photogrammetry

When taking aerial photos of an area where a certain object is moving, the position of such an object is seen as changed in the respective images captured at different points in time …

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What checks and calibrations are required for unmanned aerial vehicles?

To ensure operational reliability, flight safety and the quality of captured geospatial data with an unmanned aerial vehicle, careful monitoring of the aircraft condition and professional calibration of the entire device as well as its individual parts are required ...

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What is the difference between ‘accuracy’ and ‘precision’?

Quality is illustrated by several criteria, including geometric accuracy and geometric precision, but these two terms need to be distinguished from one another ...

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