<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p>A Digital Elevation Model (DEM) is a digital representation of ground surface topography or terrain with different accuracies for different application fields. DEM have been applied to a wide range of civil engineering and military planning tasks. DEM is obtained using a number of techniques such as photogrammetry, digitizing, laser scanning, radar interferometry, classical survey and GPS techniques. This paper presents an assessment study of DEM using GPS (Stop&amp;Go) and kinematic techniques comparing with classical survey. The results show that a DEM generated from (Stop&amp;Go) GPS technique has the highest accuracy with a RMS error of 9.70 cm. The RMS error of DEM derived by kinematic GPS is 12.00 cm.</p></abstract>

A Digital Elevation Model (DEM) is a digital representation of ground surface topography or terrain with different accuracies for different application fields. DEM have been applied to a wide range of civil engineering and military planning tasks. DEM is obtained using a number of techniques such as photogrammetry, digitizing, laser scanning, radar interferometry, classical survey and GPS techniques. This paper presents an assessment study of DEM using GPS (Stop&Go) and kinematic techniques comparing with classical survey. The results show that a DEM generated from (Stop&Go) GPS technique has the highest accuracy with a RMS error of 9.70 cm. The RMS error of DEM derived by kinematic GPS is 12.00 cm.

Accuracy Assessment of Digital Elevation Models Using GPS

Aswan-Faculty of Engineering, South Valley University, Egypt

Faculty of Engineering, Assiut University, Egypt

Artificial Satellites

{"article-title":"Accuracy Assessment of Digital Elevation Models Using GPS"}

A Digital Elevation Model (DEM) is a digital representation of ground surface topography or terrain with different accuracies for different application fields....

Accuracy Assessment of Digital Elevation Models Using GPS

Publié en ligne: 26 août 2009

Pages: 151 - 161

DOI: https://doi.org/10.2478/v10018-009-0014-7

Mots clés
DEM, Stop & Go, Kinematic, GPS

This content is open access.

Accuracy Assessment of Digital Elevation Models Using GPS

Publié en ligne: 26 août 2009

Pages: 151 - 161

DOI: https://doi.org/10.2478/v10018-009-0014-7

Mots clésDEM, Stop & Go, Kinematic, GPS

This content is open access.

Mots clés
DEM, Stop & Go, Kinematic, GPS