Sharpening filter
From AWF-Wiki
(Difference between revisions)
(4 intermediate revisions by one user not shown) | |||
Line 1: | Line 1: | ||
− | It is a | + | It is a high pass filter with the opposite effect as the [[Arithmetic mean filter]] increasing the contrast. |
+ | * In the search engine of the Processing Toolbox, type '''Simple filter''' and select '''Simple filter''' under Raster Filter of SAGA. | ||
+ | * Under the Parameters tab, select a single band as Grid. | ||
+ | * Select '''Circle''' from the drop-down list as Search Mode. | ||
+ | * Choose '''Sharpen''' as Filter | ||
+ | * Use '''2''' pixels as Radius. | ||
+ | [[File:Qgis_saga_sharpen.png|400px]] | ||
[[category:Spatial Filtering]] | [[category:Spatial Filtering]] |
Latest revision as of 17:28, 18 November 2018
It is a high pass filter with the opposite effect as the Arithmetic mean filter increasing the contrast.
- In the search engine of the Processing Toolbox, type Simple filter and select Simple filter under Raster Filter of SAGA.
- Under the Parameters tab, select a single band as Grid.
- Select Circle from the drop-down list as Search Mode.
- Choose Sharpen as Filter
- Use 2 pixels as Radius.