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摘要: 为了对关键特征点相同而子曲线曲率不同的曲线进行识别,提出一种新的平面曲线的描述和匹配方法。基于关键特征点进行粗匹配,根据精度要求设定最小面积阈值在子曲线上重新采样点,定义了一种新的采样点的识别向量,并根据子曲线上采样点的识别向量构造了新的识别向量矩阵,最后根据识别向量矩阵的差异度度量子曲线的相似性。通过对所有子曲线的识别实现对整条曲线的识别。该识别方法逐层筛选、由粗到精,避免了冗余操作。实验表明该方法高效、可行。
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