The paper addresses the use of high resolution satellite imagery for map updating at technical scale (1:5,000). QuickBird and Ikonos images acquired on a wide portion of the city of Bologna (Italy) were rectified using the available geometric correction models, a Digital Elevation Model of the area and a set of Ground Control Points acquired by GPS survey. Once the reliability of the orthorectification procedure was verified by using a subset of GPS points, an attempt of features extraction was carried out in order to update entities or thematisms of the present-day cartography. An example relative to the road network updating will be discussed.
Processing of high resolution satellite data for map updating / Barbarella, M; Mancini, Francesco; Zanni, M.. - CD-ROM. - (2003). (Intervento presentato al convegno ISRSE tenutosi a Honolulu nel 10-14 Novembre 2003).
Processing of high resolution satellite data for map updating
MANCINI, Francesco;
2003
Abstract
The paper addresses the use of high resolution satellite imagery for map updating at technical scale (1:5,000). QuickBird and Ikonos images acquired on a wide portion of the city of Bologna (Italy) were rectified using the available geometric correction models, a Digital Elevation Model of the area and a set of Ground Control Points acquired by GPS survey. Once the reliability of the orthorectification procedure was verified by using a subset of GPS points, an attempt of features extraction was carried out in order to update entities or thematisms of the present-day cartography. An example relative to the road network updating will be discussed.File | Dimensione | Formato | |
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