Gaussian Filter Tool
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Gaussian Filter
The Gaussian Filter tool is used on raster images to emphasize the longer-range variability in an image, thus smoothing it. It is useful for reducing noise in an image, but it can significantly blur edges that were well-defined in the input image. The filter works with greyscale and red-green-blue (RGB) color images but the RGB images are changed to intensity-hue-saturation and the filter is applied to the intensity channel.
Input Parameters
- Input raster file: – Select the raster file from the drop-down menu.
- Standard deviation distance in pixels: – Enter the distance in decimal number. The larger the deviation entered the larger the resulting filter kernal. The default is 0.75.
Output Parameters
- Output raster file: – Enter the name of the new raster file created.
Toolbox Location
Rasters/Gaussian Filter
Related Links
- Gaussian Filter Whitebox Documentation
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