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Optical Engineering

Automatic Line Drawing Recognition Of Large-Scale Maps
Author(s): Satoshi Suzuki; Makoto Kosugi; Toshio Hoshino
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Paper Abstract

An automatic recognition method to extract individual map components from large-scale maps in a digital format is proposed. This method recognizes the components on the basis of their geometric features and of drawing regulations of national large-scale maps of Japan. The geometric features are obtained by binary image processing techniques such as labeling, border tracing, line tracking, and thinning. At present, the method is capable of extracting buildings, railways, and contour lines. Experimental results have shown high extraction rates for the method.

Paper Details

Date Published: 1 July 1987
PDF: 8 pages
Opt. Eng. 26(7) doi: 10.1117/12.7974129
Published in: Optical Engineering Volume 26, Issue 7
Show Author Affiliations
Satoshi Suzuki, NTT Electrical Communications Laboratories (Japan)
Makoto Kosugi, NTT Electrical Communications Laboratories (Japan)
Toshio Hoshino, NTT Electrical Communications Laboratories (Japan)

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