In the course of thinning to target image, the arithmetic of suited cyclostyle is adopted, which prevents the terminals and the acnodes from losing and reducing effectively time in doing so.

• 采用了与模板匹配的细化算法对图像进行细化，用该算法对线状要素进行细化，避免了端点、孤立点等信息的丢失，有效地提高了细化速度；