投影相似变换的无人机影像拼接UAV image mosaic based on projection-similarity transformation
王忠美,杨晓梅,顾行发,周成虎
摘要(Abstract):
针对当前无人机遥感影像存在的成像范围小、视差角度大的缺点,该文提出一种改进的投影-相似变换方法来进行无人机遥感图像的拼接:通过对初始获得的单应矩阵进行改进,平滑推导重叠区域的投影变换到非重叠区域形成相似变换;该变换同时考虑拼接过程中图像重叠区域的配准精度和非重叠区域的视场一致。实验结果表明,该方法的拼接性能优于传统拼接方法。
关键词(KeyWords): 无人机遥感;图像拼接;投影变换;相似变换
基金项目(Foundation): 国家“863”计划项目(2012AA121201;2013AA122901);; 国家科技支撑计划项目(2014BAL01B01)
作者(Author): 王忠美,杨晓梅,顾行发,周成虎
DOI: 10.16251/j.cnki.1009-2307.2016.09.022
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