The lack of adequate maps is one of the critical issues to be handled in developing countries. The main problem is the rapid development of urban areas, so that maps are out of date very fast. Consequently, nearly all these maps have to be revised and updated as soon as possible. Recently, due to the improvement in satellite technology, remote ... إقراء المزيد

Maps are fast and accurate information sources when it is required, to study and to develop projects in any region. In Egypt, many of the available maps are in an unsatisfactory scale and not updated. The availability of Egypt Sat1 satellite images, opened new possibilities for mapping and map updating. Egypt Sat1 is the first Egyptian earth observation satellite which ... إقراء المزيد

Frequent acquisition of remotely sensed data makes it possible to use the satellite images to determine type and extent of changes in the environment. Many digital change detection algorithms have been developed since the launch of ERTS-1 in 1972 to reveal changes. With the launch of satellite with different sensor characteristics and advancement in mathematical data processing algorithms, the use ... إقراء المزيد