Abstract: This paper presents a method for the extraction of contour lines and other geographic information from scanned color images of topographical maps. Although topographic maps are available ...

Abstract: It is difficult to separate the point symbols from the scanned topographic maps accurately, which brings challenges for the recognition of the point symbols. In this paper, based on the ...

Topographic map with contour lines. Geographic terrain grid, relief height elevation. Ground path pattern. Travel and navigation, cartography design element. Vector illustration. Royalty-free licenses ...