| 哈达玛变换光谱仪混合像元解混方法研究 |
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| 引用本文： | Yan P,Hu BL,Liu XB,Sun W,Li LB,Feng YT,Liu YZ. 哈达玛变换光谱仪混合像元解混方法研究[J]. 光谱学与光谱分析, 2011, 31(10): 2870-2873. DOI: 10.3964/j.issn.1000-0593(2011)10-2870-04 |
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| 作者姓名： | Yan P Hu BL Liu XB Sun W Li LB Feng YT Liu YZ |
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| 作者单位： | 中国科学院西安光学精密机械研究所光谱成像技术重点实验室,陕西西安,710119 |
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| 基金项目： | 国家自然科学基金项目(41005109)资助 |
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| 摘 要： | 哈达玛变换光谱成像仪是一种采用多通道探测的数字变换光谱技术,介绍了基于数字微镜阵列器件(DMD)的哈达玛变换光谱仪工作原理与仪器结构,对成像传感器所获得的混合像元进行了分析研究,理论推导出了混叠像元的解混合方法,仿真实验结果表明该方法简单有效,对提高混合像元复原光谱精度超过10%。
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| 关 键 词： | 哈达玛 混合像元 光谱成像仪 DMD |
Hadamard transform spectrometer mixed pixels' unmixing method |
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| Yan Peng,Hu Bing-Liang,Liu Xue-Bin,Sun Wei,Li Li-Bo,Feng Yu-Tao,Liu Yong-Zheng. Hadamard transform spectrometer mixed pixels' unmixing method[J]. Spectroscopy and Spectral Analysis, 2011, 31(10): 2870-2873. DOI: 10.3964/j.issn.1000-0593(2011)10-2870-04 |
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| Authors: | Yan Peng Hu Bing-Liang Liu Xue-Bin Sun Wei Li Li-Bo Feng Yu-Tao Liu Yong-Zheng |
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| Affiliation: | YAN Peng,HU Bing-liang,LIU Xue-bin,SUN Wei,LI Li-bo,FENG Yu-tao,LIU Yong-zhengLaboratory of Spectral Imaging Technique,Xi'an Institute of Optics and Precision Mechanics,Chinese Academy of Sciences,Xi'an 710119,China |
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| Abstract: | Hadamard transform imaging spectrometer is a multi-channel digital transform spectrometer detection technology,this paper based on digital micromirror array device(DMD) of the Hadamard transform spectrometer working principle and instrument structure,obtained by the imaging sensor mixed pixel were analyzed,theory derived the solution of pixel aliasing hybrid method,simulation results show that the method is simple and effective to improve the accuracy of mixed pixel spectrum more than 10% recovery. |
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| Keywords: | Hadamad transform Mixed pixel Imaging spectrometer DMD |
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