摘要
选取遥感Landsat7 ETM+和Landsat8 OLI的同一地区、近同一时间的卫星影像,利用Envi5.0,Arcgis10.0等软件,定量的提取了两景图像的植被、非植被信息,比较得出:Landsat8 OLI比Landsat7 ETM+收窄了全色波段的宽度,植被和非植被在全色图像上反差加大,Landsat8 OLI在近红外波段排除了0.825μm处水汽吸收的影像,在进行NDVI植被提取时,具有更高的准确度。
Select Landsat7 ETM ＋ remote sensing and Landsat8 OLI the same area, satellite images of nearly the same time, the use of Envi5.0, Arcgis10.0 software, extracted vegetation, non-vegetation information. Compare the results： Landsat8 OLI panchromatic than Landsat7 ETM ＋ narrowed width, making vegetation and non-vegetation contrasts increase in full-color images, easier to distinguish, due to Landsat80LI had ruled out the near-infrared water vapor absorption at 0. 825 μm, images can extract with higher vegetation accuracy use of NDVI.
出处
《山西建筑》
2014年第11期240-241,共2页
Shanxi Architecture
