本软件提供了四种不同的细化算法：Hilditch细化算法，Pavlidis细化算法，Rosenfeld细化算法，基于索引表的细化细化算法，为选择细化算法提供了选择的余地。-The software provides four different thinning algorithm : Hilditch refinement algorithm, Pavlidis refinement algorithm, Rosenfeld refinement algorithm, based on the index table thinning thinning algorithm, refinement algorithm for the selection of choice.