I am familiar with the major commercial remote sensing packages (ENVI, IDRISI ERDAS, etc), but I haven't previously had the opportunity to utilize open-source solutions.
I have a several new Landsat-8 images that I would like to mosaic for both simple display and analysis (land cover classification). Is there a go-to open source software for this, or are there many options? A tutorial would also be excellent.
Answer
You may consider GRASS GIS which offers a rather complete processing chain for Landsat including radiance correction for Landsat 8. For details, see
http://grasswiki.osgeo.org/wiki/LANDSAT
Examples:
- Landsat 1-5,7,8 data import
- Auto-enhance colors, natural color composites
- Calculate Top-of-Atmosphere Reflectance and band-6 Temperature
- Haze removal
- Atmospheric correction
- Cloud identification
- image classification
- time series analysis
- Export of results
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