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Identification for building surface material based on hyperspectral remote sensing

机译:基于高光谱遥感的建筑表面材料识别

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In contrast with traditional remote sensing, hyperspectral remote sensing has the characteristics of high spectral resolution, combination of graph and spectrum, and large quantity of imaging bands. It has been used in many fields. According to the research results of other scholars, building surface has become a thermal active surface which has an important effect for forming city three-dimensional climate. In the 863 research project of relieving and analyzing of city heat island, based on summarizing now available spectrum identification methods, we selected frequently-used spectral angle match (SAM) identification method for the research, then we realized a program of identifying building surface material with IDL, and we did a simulation experiment for the program by using an AVIRIS image. Finally, we got a good result. It is proved that identifying building surface material based on hyperspectral remote sensing is feasible. So it makes a solid basis for further research.
机译:与传统的遥感技术相比,高光谱遥感具有光谱分辨率高,图谱结合,成像带数量大的特点。它已被用于许多领域。根据其他学者的研究结果,建筑表面已成为热活性表面,对形成城市三维气候具有重要作用。在863城市热岛缓解与分析研究项目中,在总结现有频谱识别方法的基础上,选择了常用的光谱角度匹配(SAM)识别方法进行研究,实现了建筑物表面材料识别的程序。使用IDL,我们通过使用AVIRIS图像对该程序进行了仿真实验。终于,我们取得了不错的成绩。实践证明,基于高光谱遥感识别建筑物表面材料是可行的。因此,它为进一步的研究打下了坚实的基础。

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