用形态学中骨骼化方法实现了图像细化，为后续工作如特征点提取提供了良好的素材-Method with skeletal morphology achieved thinning, for the follow-up, such as feature extraction provides a good material

用c写的数学形态学运算，包括膨胀腐蚀细化算法-Written by c morphological operations, including the expansion of corrosion thinning algorithm