Small-Format Aerial Photography
Mosaic of aerial images, Samoylov island, Siberia
Small-format aerial photography (SFAP) allows us to obtain large-scale and high-resolution images of the study areas. Pictures are taken with digital cameras suspended from kites and helium-filled balloons at flying heights of 100 to 900 m. Depending on camera type and flying height, we are able to obtain resolutions of up to 7 mm per pixel.
Mosaicking of the images provides overviews of the study areas. Further analysis of orthorectified single images and mosaics with Geographic Information Systems (GIS) or remote sensing software allow high-resolution land cover classification and the tracking of landscape changes, such ascoastal erosion or the formation and shrinkage of lakes.
Future projects include high resolution (up to 1 cm) mapping of microtopography.
This will be achieved by combining the aerial mapping with a ground survey grid of ground control points and theodolite measurements. Stereo analysis of overlapping aerial images will then be used to produce digital elevation models
Polygons after land-cover classification. Dry polygon rims are represented in pink, drier polygon centers in yellow and turquoise, moist polygon centers in blue and water surface in green and red.
Polygons, Samoylov Island, Siberia.
For further information: Sina Muster