Methodology
Initially, a Landat-5 TM image of the northern Negev was preprocessed
and then classified in several ways using ERDAS
IMAGINE 2010. Post-classification, a decision support system based
on expert knowledgewas used to update the classification products
according to existing land-use databases using ArcGIS 9.3. The
accuracy of each of the derived classification products was assessed
in several ways, after which different product accuracies were