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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
- Gaussian Filter Whitebox Documentation
