针对待配准图在参考图上存在多个相似的区域,传统的SIFT算法导致匹配点数量较少,影响对模型变换参数估计的情况,提出了结合区域分割的SIFT方法.与原始算法相比,该算法可以得到更多正确的匹配点对,时效性上更优.实验结果表明,该算法比原算法的正确匹配点对提高了近30倍,结合区域分割的特征匹配,剔除了90％以上的误匹配点对,改进后的算法时间性能上也更优.
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