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Content available Method of creation of digital orthophotomaps of increased informativity
Dorozhynskyy O., Kolb I.
Geomatics, Landmanagement and Landscape
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2018
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no. 1
7--17
EN
The paper discusses how to apply the information on the density of three-dimensional point cloud, obtained as a result of computer stereo reconstruction of an area, based on aerial images. Images of high objects – particularly walls, treetops, bushes, etc. – in a particular area are used to create a point density map by means of GIS instruments. The information enables redistribution of the weight of cloud points in order to intensify or reduce their impact on the digital model of an area, or orthophotomap. The proposed method has been used to create orthophotomaps based on aerial images obtained from UAS.
2
Content available The study of methods for correcting global Digital Terrain Models using remote sensing data
Kolb I., Lutcyschyn M., Panek M.
Geomatics, Landmanagement and Landscape
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2013
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no. 3
59--66
EN
This work describes original methods of improving the quality of Digital Elevation Models (DEM), obtained by means of satellite altimetry data. Shown are subsequent steps of geometric correction of global raster DEM, such as SRTM, SRTM DLR and ASTER GDEM, which are commonly available. According to the authors of this analysis, methods proposed here can be used in geoinformation projects.
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