惯导约束下的高光谱图像行相关几何校正算法The line related geometric correction algorithm under the inertial navigation constraint for the hyperspectral image
胡海斌,张浩,李聪,魏志奇,阎跃观,郭新慧
摘要(Abstract)：
针对搭载于无人机的推扫式高光谱成像仪受气流影响显著,获取的高光谱图像几何畸变明显,无人机搭载POS精度相对较低,传统方法难以消除图像几何畸变等问题。该文提出了结合图像行相关和低精度GPS惯导数据校正的思路,首先进行行相关匹配完成图像行之间的相对平移量,然后经过反算修正POS的翻滚角数据,最后基于更新后的POS数据进行几何校正。该方法充分结合了行相关匹配和POS校正的优势,最大限度地消除了几何畸变,经过对无人机图像验证,比其他单一方法处理效果更为明显。
关键词(KeyWords)： 几何校正;行相关匹配;POS;平滑
基金项目(Foundation): 国家重点研发计划项目(2016YFB0501501);; 国家自然科学基金项目(51404272)
作者(Author): 胡海斌,张浩,李聪,魏志奇,阎跃观,郭新慧
DOI: 10.16251/j.cnki.1009-2307.2018.07.001
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