- On the ribbon, click
Raster Tools tab
Edit panel
Process Image drop-down menu
Convolve.
- Select the image or images you want to filter, then press Enter.
- Click Expand All to expand the filter list.
- Choose the smoothing filter you want to use. A description of the selected filter is displayed in the Image Filters dialog box.
- Click Run Filter to filter the image(s)
If you are not satisfied with the results, then you can use the AutoCAD UNDO command to restore the image to its original settings.