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Extracting contour lines from common-conditioned topographic maps

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3 Author(s)
Yang Chen ; Sch. of Electron. Sci. & Eng., Nat. Univ. of Defense Technol., Hunan, China ; Runsheng Wang ; Jing Qian

This paper addresses the problem of contour lines extraction from scanned topographic maps. A novel method called "local window segmentation" is developed and used to overcome the difficulty of the gaps and thick lines. Experiments and evaluations on a number of well- and common-conditioned topographic maps are provided.

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Geoscience and Remote Sensing, IEEE Transactions on  (Volume:44 ,  Issue: 4 )