- On the ribbon, click
Raster Tools tab
Edit panel
Process Image drop-down menu
Bitonal Filters.
The following prompt appears:
Press Enter for entire image or specify sub-region option [Existing/Clip region/Window/Polygon]:
- Do one of the following:
- Press Enter to use the filter on the entire image.
- Enter e, then click a closed vector entity to use an existing entity to define the region.
- Enter c to use an existing image clip.
- Enter w, then enter two points to define a rectangular sub-region.
- Enter p, then enter several points to define a polygonal sub-region.
The Bitonal Filters dialog box is displayed.
- Choose the Filter Type you would like to run on your image.
- Choose the Number of Passes.
For example, a pass value of 3 means running the operation 3 times.
- Choose the Direction(s) in which you would like the filter to run.
- Click OK to apply the filter.