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Detection of ridges and ravines using fuzzy logic operations.

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Kim KM, Park JJ, Song MH, Kim I, Suen CY
In Proceedings of Pat. Recog. Letters, vol. 25, pp. 743-751, 2004.
Abstract: 

In object analysis, line and curve finding plays a universal role, and it can be accomplished by detecting ridges and ravines in digital gray scale images. In this paper, we present a new method of detecting ridges and ravines by using local min and max operations. This method uses erosion and dilation properties of fuzzy logic operations and requires no information of ridge or ravine direction, so that the method is simple and easy in comparison with the conventional analytical methods. Experimental results from different types of images show that the proposed technique is both effective and efficient.

Kim KM, Park JJ, Song MH, Kim I, Suen CY. Detection of ridges and ravines using fuzzy logic operations. In Proceedings of Pat. Recog. Letters, vol. 25, pp. 743-751, 2004.