Interactive skeleton extraction for 2D contour
Li Han · Jisuanji gongcheng yu sheji · 2009
An optimized skeleton extraction method is presented aiming at two-dimensional contour by freehand drawing.First, the contour is approximated into cubic B-spline curve with by adaptive step adjustment under discrete curvature constraints, it effectively highlights the shape features of free form curve.Then, it efficiently reconstructs the topological shape structure by improving the constrained Delaunay Triangulation method.The skeleton of the contour is finally extracted based on Voronoi diagram theory.A series of experimental results verify the efficiency of the algorithm.