Accuracy of Digital Satellite Images for Producing Topographic Maps

Document Type : Original Article

Authors

1 Prof. Faculty of Engineering, Cairo University.

2 Assoc. Prof. Faculty of Engineering Ain Shams University.

3 Assist. Prof. Shobra Faculty of Engineering Banha University.

4 Syrian Coll. Eng. M.Sc. Student.

5 Prof. Dr. Civil Eng. Department, M.T.C.

Abstract

Abstract Advanced technologies in all sciences, concerning topographic map production, are developed in methods and processing. Topographic maps were produced by using ground field instrumentations or by manipulating analytical stereo plotters devices with different kinds and techniques. Nowadays, topographic maps are produced from scanned aerial photographs or from satellite images depend on software and hardware operation systems. In this research pair of spatial images from SPOT 3 satellite were used with aid of Leica Photogrammetric suite (LPS) digital software to produce topographic map of an area in upper Egypt with varied relief. The topographic map which produced from satellite digital images was compared with the same once that covered the same study area at scale 1:50000, produced by stereo plotters in the Egyptian Military Survey Department. The proposed topographic map which produced from satellite digital images was of reasonable accuracy and can be used instead of maps of scale 1:50000.

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