Gaussian filter
From AWF-Wiki
(Difference between revisions)
(Created page with " category:Spatial Filtering") |
|||
| Line 1: | Line 1: | ||
| + | The Gaussian smoothing filter is used for noise reduction and removing details. The filter is simialr to the arithmetic mean filter but it uses a different kernel that represents the shape of a 2D Gaussian distribution. | ||
| + | * In the search engine of the Processing Toolbox, type '''Smoothing''' and select '''Smoothing(gaussian)''' under Image Filtering of the Orfeo Toolbox. | ||
| + | * Under the Parameters tab, select a single band or a multiband file as input layer. | ||
| + | * Select '''gaussian''' from the drop-down list as Smoothing Type. | ||
| + | * Adjust the '''Radius''' of a circular element in pixel size. | ||
| + | [[File:Qgis_smooth_gauss.png|400px]] | ||
[[category:Spatial Filtering]] | [[category:Spatial Filtering]] | ||
Revision as of 20:37, 18 November 2017
The Gaussian smoothing filter is used for noise reduction and removing details. The filter is simialr to the arithmetic mean filter but it uses a different kernel that represents the shape of a 2D Gaussian distribution.
- In the search engine of the Processing Toolbox, type Smoothing and select Smoothing(gaussian) under Image Filtering of the Orfeo Toolbox.
- Under the Parameters tab, select a single band or a multiband file as input layer.
- Select gaussian from the drop-down list as Smoothing Type.
- Adjust the Radius of a circular element in pixel size.
