From wiki.ai-relief.org

GTB: Outlier

Detection of Single Pixel Outliers in DEMs using a static or a dynamic thresholding method. Fills the outliers with mowing window data from the surrounding or writes a NODATA value (-4444). Reference: Hengl, T., Reuter, H.I. (eds) 2008. Geomorphometry: Concepts, Software, Applications. Developments in Soil Science, vol. 33, Elsevier, 772 pp. in chapter "Preprocessing" http://dx.doi.org/10.1016/S0166-2481(08)00004-4 ?

INPUT

Input Data - Elevation DEM (Raster Dataset) - a grid representing a continuous surface

COMMAND

Command Call

Type of Threshold:

Standard Deviation for Detection:

Extent Search Window:

Outlier Value:

RESULTS

Output DEM (Raster Dataset) - a grid representing a continuous surface

Dynamic 2 SD outliers with average replacement

Dynamic 2 SD outliers with extra ERROR value written

Static threshold of 5m with average replacement

Static threshold of 5m with extra ERROR value written

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Page last modified on November 05, 2009, at 11:32 AM