提高中巴卫星IR MSS图像空间分辨能力的光谱保真融合方法

被引：5

作者：

齐泽荣

郗海莉

机构：

[1] 中国国土资源航空物探遥感中心

[2] 中国地质大学北京　

[3] 北京　

来源：

国土资源遥感 | 2004年 / 02期

关键词：

数据融合; 光谱保真融合; 低分辨率图像; 高分辨率图像;

D O I：

暂无

中图分类号：

TP751 [图像处理方法];

学科分类号：

摘要：

介绍一种提高中巴资源卫星IRMSS图像空间分辨能力的光谱保真融合方法。通过计算低分辨率图像上每一个像元对应的高分辨率图像上一组子像元的平均亮度值及二者之差,将该差值与高分辨率图像上相应子像元亮度求和,形成新的图像。该图像具有高分辨率图像的空间细节,又具有低分辨率图像的光谱信息,从而实现融合图像信息保真。试验表明,光谱保真融合方法可以在不改变光谱信息的前提下提高IRMSS图像的空间分辨能力,是一种新的简单实用的数据处理方法。

引用

页码：21 / 25+81 +81

页数：6

共 13 条

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