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航片数字化影像与SPOT5多光谱影像融合比较分析
引用本文:陈利军,廖安平.航片数字化影像与SPOT5多光谱影像融合比较分析[J].地理信息世界,2008,6(3).
作者姓名:陈利军  廖安平
作者单位:国家基础地理信息中心,北京,100044
摘    要:通过利用多种图像融合方法分别对航片数字化影像与SPOT5多光谱影像进行融合试验,经定量化指标评价结果表明,利用Pansharp,HPF和HIS融合方法计算后得出的影像在很大程度上保留了原多光谱影像的光谱特征,清晰度有较大提高,具有更强的解译和量测能力.

关 键 词:航片  SPOT5多光谱影像  影像融合  评价指标  比较分析

Comparison of Methods of Fusing Digital Aerial image and SPOT5 Multi-spectrum Image
CHEN Li-jun,LIAO An-ping.Comparison of Methods of Fusing Digital Aerial image and SPOT5 Multi-spectrum Image[J].Geomatics World,2008,6(3).
Authors:CHEN Li-jun  LIAO An-ping
Abstract:In this paper, many different methods have been used to merge the digital aerial image and SPOT5 multi-spectrum image, and then the fused results have been evaluated through the calculations of some quantitative index. It shows that these results calculated by the methods of Pansharp, HPF and HIS could keep almost the spectrum characteristics of the original image, obviously be enhanced in the aspect of the image definition, and even more easily be identified and measured.
Keywords:digital aerial image  SPOT5 multi-spectrum image  image fusion  evaluation index  comparison
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