根据Landsat8计算NDVI

Calculating the Vegetation Indices from Landsat 8 image Using ArcGis 10.1

http://grindgis.com/blog/vegetation-indices-arcgis

Processing Landsat 8 data in GRASS GIS 7: Import and visualization

http://courses.neteler.org/processing-landsat8-data-in-grass-gis-7/

文件解释及说明

http://landsat.usgs.gov/CDR_ECV.php