Level Set Segmentation Algorithm for Virtual Human Images Based on Canny Operator
Weihong Wang · Jisuanji fangzhen · 2010
Segmenting and extracting tissues or organs from medical images are premises of 3D reconstruction and visualization which accurately express the corresponding organs.Considering the features of virtual human images,canny edge detection operator was import into Level set method,and a novel canny operator based Level set algorithm was proposed.The analytic expression of Level set equation was deduced.The algorithm was implemented by numerical using narrow band method.The algorithm was combined with the advantages of canny operator which could orient accurately the edge and the idea that Level set method could evolve the boundary in image defined space continuously.Experiments show that fine results can be obtained by using the algorithm.