荒漠林信息提取融合方法的比较

Comparison of Fusion Methods about Information Extraction of Desert Forest

森林信息提取是林业遥感的基础和前提。快速、准确、高效地获取森林资源信息,并且及时监测变化情况,是实现森林资源的科学管理和有效利用的重要途径。本研究应用ETM的多光谱和全色影像,在HPF、Wavelet、Mod.IHS三种图像融合算法支持下,得出研究区荒漠林影像无论是目视判读还是统计特征分析Mod.IHS变换图像融合效果均较其他二种方法好,为研究区荒漠林信息的提取奠定了基础。

Forest information extraction is the basis and precondition of forestry RS.It is important to implement and manage the forest resource using the forest information and inspect the forest transformation quickly and accurately and effectively.The paper educes that Mod.IHS transformation is the best no matter what the eye estimates or statistics better than the HPF,Wavelet of using the ETM image of research area.It establishes the basis of forest information extraction.