The theory of Smith (1977,1980) is generalized to include both forced and free rotations by introducing an arbitrarily rotating nutation frame.The Eulerien eq u
Automatic extraction of road and linear structure from remote sensing images is a very important problem. This paper analyses several existing methods of the au
The main objective of this study is to improve the geoid byGPS/leveling data in Egypt.Comparisons of the gravimetric geoid with GPS/leveling data have been perf
This paper discusses the features and relevant theories of GIS spatial data model based on hypergraph,etc.The integrated concept model based on hypergraph and o