提出了一种改进的加权Hausdorff距离，并将其应用于字符图像的匹配。该方法根据字符图像的结构特征对字符不同区域设置不同的权重。实践表明该方法改善了图像匹配效果。-An improved weighted Hausdorff distance, and applied to characters in the image matching. The method according to characters in the image of the structural characteris