Glossary for Geospatial Science

dropout:� A missing piece of an image, or more generally, of a data stream.� Dropouts can be caused by the improper use or function of a hardware device, by signal interference or disruption, or by other problems.� A dropout in text transmission causes missing letters or words.� A dropout in scanning can cause gaps in the image of a line.� Scanning a fine line at too low a resolution or with too low a binary threshold is likely to cause dropouts in the resulting raster image of the line.