Question about Extraction Roads and Buildings

Discussion created by gis_man1 on Sep 1, 2011
Hi all,
i have work with raster data, and my task is digitize a big image, and this task consume many time, for digitize roads and building, only!!!!   
so can any one help me to find ant tools work on ArcGIS 9.3 or ArcGIS 10, to simplify work on raster data for digitize such as automate roads, smooth feature..........etc.
thank you.