Application of the Color Transformation to DEM and Remotely Sensed Data Merging

LIANG Wei; YANG Qinke

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Application of the Color Transformation to DEM and Remotely Sensed Data Merging

- Application of the Color Transformation to DEM and Remotely Sensed Data Merging
- Bulletin of Soiland Water Conservation Vol. 25, Issue 6, Pages: 59-62(2006)
- 作者机构：
  
  1. 西北农林科技大学水土保持研究所, 陕西杨凌,712100
  2. 中国科学院水利部水土保持研究所, 陕西杨凌,712100
- 作者简介：
- 基金信息：
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- Published：2006
- 稿件说明：
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LIANG Wei, YANG Qinke. Application of the Color Transformation to DEM and Remotely Sensed Data Merging[J]. Bulletin of Soiland Water Conservation, 2006, 25(6): 59-62.
DOI：

LIANG Wei, YANG Qinke. Application of the Color Transformation to DEM and Remotely Sensed Data Merging[J]. Bulletin of Soiland Water Conservation, 2006, 25(6): 59-62. DOI：

摘要

非遥感数据与遥感数据复合是提高遥感影像解译精度的重要方法之一。以延河流域1997年TM影像和1∶5万DEM为数据基础

在遥感影像处理软件ERDAS IMAGINE 8.4支撑下

研究了遥感数据与非遥感数据的复合方法。研究表明

利用彩色空间变换能取得较好的效果。把遥感影像从RGB颜色模式通过彩色空间变换变换到IHS颜色模式

利用DEM代替IHS模式的色度(H)分量并通过逆变换变回到RGB模式。变换后各地类间颜色对比度增大

有利于监督分类中分类模板的建立和提高分类精度。

Abstract

Merging remotely sensed data and non-remotely sensed data is one of the important methods of improving the interpretation accuracy. The attributes of the RGB and IHS modes and color transformat ion theory are discussed.The TM images of the Yanhe basin are taken for instance

and the merging method of remotely sensed data and non-remotely sensed data has been studied with the support of ERDAS IMAGINE. Firstly

the TM image is transformed from the RGB mode to the IHS mode. Secondly

the H component of the IHS mode is replaced with the DEM

and then the components of I and Sare stretched. Thirdly

they are transformed to the RGB mode.The experiments indicate that the method replacing the H component of the IHS mode with DEM is better for supervised classificat ion

and the supervised classification accuracy of the merging data is 6% higher than that of the normal merging data.

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