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Automatic image matching algorithms, and especially feature-based methods, profoundly changed our understanding and requirements of tie points. The number of tie points has increased by orders of magn...
Aerial photography has been acquired regularly for topographic mapping since the decade of 1930. In Portugal there are several archives of aerial photos in national mapping institutes, as well as in l...
Seasonal snow plays a vital role in the world's water resources. In some areas, seasonal snow melt provides water for agriculture, industry, hydro-electricity generation and urban water supply. Accura...
In order to adequately model ecosystems services of the urban environment, it is necessary to accurately inventory urban vegetation abundance and spatial distribution. An object-based, methodological ...
Kite aerial photography (KAP) involves large kites for lifting cameras 50-150 m above the ground. Either soft (airfoil) or rigid (delta, rokkaku) kites may be utilized in wind ranging from 10 to 40 ...
Individual archaeological sites can sometimes show a complex morphology. One such site is the Roman quarries located one kilometre northwest of the Roman fortress at Udhruh, in the hinterland of Petra...

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