The topological thinning algorithm was accelerated using two strategies: First, the times of scan were reduced.Second, the number of voxel was reduced.

• 针对这一缺点，作者提出了几种改进，主要通过减少扫描图像的次数和减少体素数目等方法在不同程度上加速算法，提高了算法的效率。