| 高光谱影像特征提取序贯投影寻踪方法 |
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| 引用本文： | 张丽,巩丹超,胡海彦.高光谱影像特征提取序贯投影寻踪方法[J].测绘学院学报,2010(1). |
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| 作者姓名： | 张丽 巩丹超 胡海彦 |
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| 作者单位： | 西安测绘研究所;信息工程大学测绘学院; |
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| 摘 要： | 高光谱影像特征提取涉及高维数据处理难题,必须寻求一种高效的数据处理方法,实现高维数据的降维处理。为提高数据处理效率,应用投影寻踪理论和算法,提出了一种改进的序贯投影寻踪方法,用于高光谱影像特征提取。重点给出了序贯投影寻踪的实现过程,并利用高光谱数据进行了地物分类试验。结果表明,改进的序贯投影寻踪方法可以在保证分类精度的前提下,大幅提高数据处理效率。
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| 关 键 词： | 高光谱影像 投影寻踪 序贯投影寻踪 特征提取 分类 |
Sequential Projection Pursuit of Hyperspectral Imagery Feature Extraction |
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| ZHANG Li,GONG Dan-chao,HU Hai-yan.Sequential Projection Pursuit of Hyperspectral Imagery Feature Extraction[J].Journal of Institute of Surveying and Mapping,2010(1). |
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| Authors: | ZHANG Li GONG Dan-chao HU Hai-yan |
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| Institution: | 1;2;1.Xi'an Research Institute of Surveying and Mapping;Xi'an 710054;China;2.Institute of Surveying and Mapping;Information Engineering University;Zhengzhou 450052;China |
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| Abstract: | An efficient processing method is necessary for feature extraction of hyperspectral imagery which involvs high dimension data.In order to increase the efficiency,an improved method of sequential projection pursuit was adopted to hyperspectral images for information extraction by applying the theory and algorithm of projection pursuit.The implementing process of the method of sequential projection pursuit was focused on and the experiment on classification of hyperspectral image has been carried through.The ... |
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| Keywords: | hyperspectral imagery projection pursuit sequential projection pursuit feature extraction classfication |
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