最优路径的无人机影像拼接UAV image mosaic based on optimal path
何敬,李永树
摘要(Abstract):
SIFT算法是基于尺度空间的特征匹配方法,该算法为每个关键点指定了方向参数,具备旋转不变性,对图像倾斜的适应性很强。本文采用SIFT算法对无人机图像提取特征点,利用欧氏距离粗匹配,通过距离中误差精匹配。在对拼接误差原因分析的基础上,提出了采用最优路径的拼接方法来降低误差。
关键词(KeyWords): 无人机影像;SIFT;最优路径;影像拼接
基金项目(Foundation): “十一五”国家科技支撑计划重大项目(2006BAJ05A13)
作者(Author): 何敬,李永树
DOI: 10.16251/j.cnki.1009-2307.2011.06.072
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