Managing Imagery and Raster Data using ArcGIS
ArcGIS contains a comprehensive set of functions for defining, storing, managing, and serving raster data. The Web Help for ArcGIS Desktop contains a complete guide to all aspects of raster data management, plus key concepts that will help you learn about and understand raster data and how you can leverage these data sources using ArcGIS.
The ArcGIS Help system contains a number of useful topics on using raster data and imagery in ArcGIS: