Abstract: Image analysis is a labor-intensive activity that grows increasingly intensive due to the volume of imagery and collateral data being collected by open source (i.e., unclassified) collectors. The data is frequently multispectral, providing a more complex but ultimately richer resource from which to derive information. Image analysts (IAs) and photo interpreters need to extract accurate yet timely information from this data. As a result, many efforts have been directed at developing systems to assist IAs in their exploitation tasks. While systems focusing on either spectral or spatial exploitation have been researched, the two approaches have seldom been integrated. Consequently, these systems could not take full advantage of the range of information inherent to the data. The Lines of Communication (LOC) system was designed to merge the two disciplines into a user-friendly package that exploited the multispectral aspect of LANDSAT TM imagery without overwhelming the analyst unnecessarily with the complexities of the data. This paper discusses in detail the system components, the operations concept and user interface, and preliminary processing results.!3
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