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一种改进的RANSAC图像匹配算法 被引量:2

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摘要 图像匹配(Image registration)是将不同时间、不同成像设备在不同条件下(气候、光照、方位等)获取的两幅或多幅图像进行匹配的过程。图像匹配是图像分析和处理的基本问题,在计算机视觉、模式识别、医学图像处理、遥感融合、影像分析等领域都有重要应用。采用最广泛的是基于特征点的图像匹配算法,其中用得最多的是采用SIFT(scale invariant feature transform)算子来描述一幅图像的特征,进而采用RANSAC算法来剔除误匹配点。然而传统RANSAC算法在图像不同尺度上去掉误匹配点的精度不高。因此,本文提出一种改进RANSAC算法的图像匹配算法,可以大大提高特征点的寻找和匹配精度,得到较好的匹配结果。
出处 《通信与信息技术》 2014年第3期82-85,共4页 Communication & Information Technology
基金 湖北省自然科学基金(2012FFC02601) 湖北省教育厅优秀中青年人才项目(Q20111907) 国家自然科学基金(61263030)
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参考文献8

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共引文献22

同被引文献35

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二级引证文献15

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