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基于预测区域匹配的无人机航拍图像快速拼接

Keywords: 预测区域匹配,图像拼接,无人机,航拍图像,图像配准

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Abstract:

利用无人机侦查拍摄的图像,拼接成整个战场的全景图,方便指挥人员了解战场动态,做出战略决策.根据无人机航拍图片序列的特点,提出了一种快速精确的拼接方法,即在无人机航拍图片拼接过程中,使用一种创新的匹配对齐策略,根据图片间的重叠率构造估计范围矩形,仅对矩形区域内的特征点进行匹配计算,然后使用图像融合等方法优化拼接效果.此算法提高了鲁棒性,可在短时间内获得较好的拼接效果.分别对谷歌地球卫星图片和无人机航拍真实数据进行实验,验证了算法的有效性.

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