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(Created page with "__NOINDEX__ __NOTOC__ ==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....")
 
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===Gaussian Filter===
==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.  
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 Parameters====
*''Input raster file:'' – Select the raster file from the drop-down menu.
*''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.
*''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 Parameters====
*''Output raster file:'' – Enter the name of the new raster file created.
*''Output raster file:'' – Enter the name of the new raster file created.


===Toolbox Location===
====Toolbox Location====
Rasters/Gaussian Filter
Rasters/Gaussian Filter


====Related Links====
====Related Links====
*[https://www.whiteboxgeo.com/manual/wbt_book/available_tools/image_processing_tools_filters.html#GaussianFilter| Gaussian Filter]
*[https://www.whiteboxgeo.com/manual/wbt_book/available_tools/image_processing_tools_filters.html#GaussianFilter| Gaussian Filter] Whitebox Documentation

Latest revision as of 20:39, 31 October 2024


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