The Provincia Autonoma di Bozano - Alto Adige commissioned the bidding group GEOSIGMA s.r.l., Ingenieurgemeinschaft vermessung AVT-ZT GesmbH to produce a GIS-data base of parts of their province. It was dernanded to create topographic data for technical base map in the scales 1:5,000 and 1:10,000. For the data acquisition an existing photo flight of about 2500 images was used. Following, the most critical parameters of the specific block adjustment are given: - An alpine and topographically very challenging region with height differences up lo 2.000 m within one image. - The photo flight mission was carried out over a period of about 4 months. 4 diifferent aerial cameras have been used for taking thc images. - The whole arca is covered by East-West flight lines. which are dividcd in several sub-strips. Additional strips were flown along the valleys in lager scales. Thus a very inhornogeneous irnage pattern exists. - Geometric problerns appeared in some of the scanned images. This paper presents the realisation of the autornatic aerial triangulation using INPHO-software, the gained results and the corresponding quality control.

Automatic aerial triangulation - Report of a large project under difficult conditions

GUZZETTI, FRANCO;
2004-01-01

Abstract

The Provincia Autonoma di Bozano - Alto Adige commissioned the bidding group GEOSIGMA s.r.l., Ingenieurgemeinschaft vermessung AVT-ZT GesmbH to produce a GIS-data base of parts of their province. It was dernanded to create topographic data for technical base map in the scales 1:5,000 and 1:10,000. For the data acquisition an existing photo flight of about 2500 images was used. Following, the most critical parameters of the specific block adjustment are given: - An alpine and topographically very challenging region with height differences up lo 2.000 m within one image. - The photo flight mission was carried out over a period of about 4 months. 4 diifferent aerial cameras have been used for taking thc images. - The whole arca is covered by East-West flight lines. which are dividcd in several sub-strips. Additional strips were flown along the valleys in lager scales. Thus a very inhornogeneous irnage pattern exists. - Geometric problerns appeared in some of the scanned images. This paper presents the realisation of the autornatic aerial triangulation using INPHO-software, the gained results and the corresponding quality control.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11311/537690
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