摘要
在SPOT高分辨率影像预处理的基础上,采用HIS变换法对2.5m分辨率全色影像和10m分辨率多光谱影像进行了融合处理,通过建筑物阴影提取了建筑物高程;采用正交小波变换方法提取了图像的纹理信息,将光谱信息、高程信息与纹理信息组合起来,对东莞市的高、中、低层建筑物进行了识别.结果表明,此方法对提取城市建筑物识别的精度较高.
On the basis of the pretreatment of SPOT images, HIS transformation is used to trear 2.5 m resolution panchromatic and 10 m resolution multi - spectral imaging and the building elevation is obtrained through the shadouss of the buildings ; Orthogonal wavelet transform is used to extract the texture of the image information, spec- tral information, elevation information are combined to identify the buildings of high - rise, medium and low heights in the City of Dongguan. The results showed that this method of identifying buildings in cities from the higher preci- sion.
出处
《湖北民族学院学报（自然科学版）》
CAS
2007年第3期323-325,共3页
Journal of Hubei Minzu University(Natural Science Edition)
关键词
SPOT影像
高程信息
纹理信息
城市建筑物分类
SPOT image
elevation information
texture information
city building classification
