Questions tagged [thin-plate-splines]

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“Jumping” among several interpolation techniques?

I am comparing several interpolation methods using monthly climatic data, through RMSE and a 10-fold cross-validation scheme. What I'm observing is that the performances vary from one month to another,...
2
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2answers
410 views

Calculate accuracy of georeferencing

I'm working on georeferencing old maps for archaeological purpose. Of course, colonial maps all do have some degree of transformation needed. But sometimes a specific region is well mapped while the ...
8
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1answer
263 views

ogr2ogr TPS spline method creates progressive error

I am trying to adjust a shapefile using ogr2ogr spline transformation with cmd commands like: C:\OSGeo4W64\bin\ogr2ogr.exe -f "ESRI Shapefile" C:\path\output.shp -tps --optfile C:\path\gcp.txt C:\...
2
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220 views

failed gdal script from QGIS Georeferencer using Thin Plate Spline (TPS)

I'm trying to georeference a photo using QGIS Georeferencer plugin (this is an oblique photograph. I know I should be using a proper georectification routine, but my current work now is just to simply ...
5
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1answer
971 views

Cross-validation of TPS and kriging outputs from the fields package in R

I am looking for existing package or functions that will allow me to cross-validate multiple outputs of Thin plate spline (TPS) and Kriging from the fields package. Does anyone know of any available ...