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The Use of the VIFIS (Variable Interference Filter Imaging Spectrometer) to Obtain Information on Vegetation Properties Using Multiangular Data

机译:使用VIFIS(可变干涉滤光片成像光谱仪)通过多角度数据获取植被特征信息

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摘要

High resolution multispectral images obtained from different view angles at the field level provide a potentially valuable new approach to the remote sensing of canopy structure as an indicator of water or nutrient stress tot he vegetation. Extraction of frequency distributions of radiance from such images gives more information than does the simple bi-directional reflectance factor which averages the responses for all the surfaces in a large-area pixel. We describe here a preliminary analysis of this novel use of the Dundee low-cost Variable interference Filter Imaging Spectrometer (VIFIS) for this type of study.
机译:从野外水平的不同视角获得的高分辨率多光谱图像,为冠层结构的遥感提供了一种潜在有价值的新方法,可作为植被水分或养分胁迫的指标。与简单的双向反射系数相比,从此类图像中提取辐射的频率分布可以提供更多的信息,后者可以对大面积像素中所有表面的响应进行平均。我们在此描述对这种研究使用Dundee低成本可变干扰滤光片成像光谱仪(VIFIS)的新颖用途的初步分析。

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