On connectivity issues of ESPTA


In this paper we review the connectivity properties of our 3-D thinning algorithm ESPTA (Extended Safe Point Thinning Algorithm [2]) and its other versions. We present a modification of ESPTA, called MESPTA, which preserves the connectivity of the image while maintaining its 3-D shape. 
DOI: 10.1016/0167-8655(90)90018-W

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