Abstract
Digital images recorded by satellite-based sensor systems provide an inexpensive and widely available source of data for the compilation of preliminary geologic maps. An expert system which uses reasoning techniques and incorporates comprehensive knowledge in its classification rules can extract information about rock-types from digital images. Today’s microcomputers are powerful enough to address digital image analysis problems and are inexpensive enough to be standard equipment. The Geological Exploration and Mapping System (GEMS) is a microcomputer-based expert system that analyzes multispectral digital images typically obtained from satellite sensors. The menu structure of GEMS is designed to allow fast, error-free selection of program functions. In addition to that, an on-line help capability, graphical representation of objects, instructions, and messages make the system simple to use. GEMS is divided into two major segments: the user/computer interface which handles the communications between the user and the machine, and the applications segment which includes a digital-image-analysis program. This program contains three modules: one to produce a descriptive report, another to generate a gray tone image of the data, and a third to classify rock-types and plot maps. GEMS can help geologists planning exploration, by developing a preliminary lithologic map.
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© 1988 D. Reidel Publishing Company, Dordrecht, Holland
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Papacharalampos, D. (1988). Gems: A Microcomputer-Based Expert System for Digital Image Data. In: Chung, C.F., Fabbri, A.G., Sinding-Larsen, R. (eds) Quantitative Analysis of Mineral and Energy Resources. NATO ASI Series, vol 223. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-4029-1_30
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DOI: https://doi.org/10.1007/978-94-009-4029-1_30
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