高分影像地形辐射校正典型模型实验与分析
发布时间：2018-07-22 11:53
【摘要】：鉴于目前地形辐射校正研究多集中于中低分辨率影像,对高空间分辨率影像的研究较少,对比实验和分析了4种常用地形辐射校正模型的校正效果。以四川省3个不同山区作为实验区,选取WorldView-2、高分一号、GeoEye-1高空间分辨率影像作为源数据,对比实验和分析了C校正模型、矩匹配方法、Shepherd模型和Sandmeier模型等4种常用地形辐射校正模型的校正效果,并通过目视判读和定量分析对校正结果进行评价。结果表明,在缺乏高精度DEM和大气参数的情况下,C校正模型和矩匹配方法2种经验模型的校正结果整体优于Shepherd模型和Sandmeier模型2种物理模型。
[Abstract]:In view of the fact that the research on topographic radiation correction is mostly focused on low and low resolution images and less on high spatial resolution images, the correction effects of four kinds of commonly used terrain radiometric correction models are compared and analyzed. Taking three different mountain areas in Sichuan Province as experimental areas and selecting WorldView-2 and GeoEye-1 high spatial resolution images as source data, the C-correction model is compared and analyzed. The moment matching method is used to evaluate the correction results of four common topographic radiometric correction models, such as Shepherd model and Sandmeier model. The correction results are evaluated by visual interpretation and quantitative analysis. The results show that in the absence of high precision Dem and atmospheric parameters, the correction results of the two empirical models are better than those of Shepherd model and Sandmeier model.
【作者单位】： 四川省遥感信息测绘院;
【基金】：四川省遥感信息测绘院雷达测图与监测技术联合实验室开放基金(SYS2015KFJJ03)
【分类号】：P237
本文编号：2137379
[Abstract]:In view of the fact that the research on topographic radiation correction is mostly focused on low and low resolution images and less on high spatial resolution images, the correction effects of four kinds of commonly used terrain radiometric correction models are compared and analyzed. Taking three different mountain areas in Sichuan Province as experimental areas and selecting WorldView-2 and GeoEye-1 high spatial resolution images as source data, the C-correction model is compared and analyzed. The moment matching method is used to evaluate the correction results of four common topographic radiometric correction models, such as Shepherd model and Sandmeier model. The correction results are evaluated by visual interpretation and quantitative analysis. The results show that in the absence of high precision Dem and atmospheric parameters, the correction results of the two empirical models are better than those of Shepherd model and Sandmeier model.
【作者单位】： 四川省遥感信息测绘院;
【基金】：四川省遥感信息测绘院雷达测图与监测技术联合实验室开放基金(SYS2015KFJJ03)
【分类号】：P237
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