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Results tagged with remote-sensing
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user 73746
Collecting and interpreting information about the environment and the surface of the earth from a distance, primarily by sensing radiation that is naturally emitted or reflected by the earth's surface or from the atmosphere, or by sensing signals transmitted from a device and reflected back to it.
1
vote
Spatial downscaling of MODIS LST grids using a covariate (e.g. NDVI): available software?
One approach is to run a regression between the 1km MODIS-NDVI and MODIS-LST layers. Then assuming you obtain a good model fit, apply this model to the corresponding 250m NDVI layer. I have used robus …
- 534
4
votes
Calculation of fractional cover for each vegetation class at 30-m resolution matching MODIS ...
Fractional cover re-sampling can be achieved with the aggregate function. For this you need to make a raster of the relevant class, then aggregate to the sum of these pixels, divided by the total cell …
- 534
3
votes
Multispectral image segmentation for natural-resources applications using R
This may be easier using the Orfeo toolbox (https://www.orfeo-toolbox.org/), this is provided with OSgeo4W and can be accessed usign QGIS or a command line interface.
This tutorial uses mean shift s …
- 534