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University of Silesia in Katowice

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Institute of Earth Sciences
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How to obtain free, high-resolution digital elevation models (DEMs)?

To obtain high-resolution digital elevation models, the so-called DEMs, all you need is a camera, simple measurements and free software (fig. 1). Thanks to the use of the Structure from Motion photogrammetric technique, a very accurate model can be obtained with a raster field size of only 5 cm × 5 cm. Dr Joanna Szafraniec...

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