TY - BOOK AU - Hazem Mohsen Mostafa Hassan Badawy AU - Ashraf Nasr Sayed , AU - Kamal Mostafa Ahmed , AU - Yousef Ibrahim Abdelaziz , TI - An investigation of the quality of digital elevation models / PY - 2010/// CY - Cairo : PB - Hazem Mohsen Mostafa Hassan Badawy , KW - Digital Elevation Models KW - Geographic Information KW - Remote Sensing N1 - Thesis (M.Sc.) - Cairo University - Faculty of Engineering - Department of Civil Engineering; Issued also as CD N2 - Digital Elevation Models are the main source of elevation data in Geo - Information technology, therefore research work in the area of DEM accuracy is becoming more and more important . The main objective of the thesis is to evaluate the quality and accuracy of the SPOT satellite stereo DEM, SPOT - 5 satellite DEM and the SRTM DEM UR - http://172.23.153.220/th.pdf ER -