- On the ribbon, click
Raster Tools tab
Edit panel
Cleanup drop-down menu
Despeckle.
- Select the image or images you want to remove speckles from, and then press Enter.
The following prompt appears:
Specify first corner point of window or [entire Image/Clip region/Polygon/Existing] <entire Image>:
- To define the region to despeckle, do one of the following:
- Press Enter to despeckle the entire image(s).
- In the drawing, define a rectangular sub-region.
- Enter c to use an existing image clip.
- Enter p, then enter several points to define a polygonal sub-region.
- Enter e, then click an existing closed vector entity to define the region.
The following prompt appears:
Pick a speckle to set size or [Window/size in piXels/size in Units] <Window>:
- To define the maximum size of speckle to delete, do one of the following:
- In the drawing, click a speckle.
- Enter w and then draw a window that defines the maximum speckle size.
- Enter x and then enter a numeric speckle size in AutoCAD units.
- Enter u and then enter a numeric speckle size in pixels.
Tip: When determining the best size to use, note that a size too large can remove parts of text, such as periods or dots.The speckles to be deleted are highlighted, and the following prompt appears:
Press enter to proceed, pick a speckle to deselect or specify deselection option [Window/Polygon/Respecify size]:
- Review the highlighted speckles to determine if you want them all deleted, then do one of the following:
- Press Enter to delete the speckles.
- Click any speckles that you want to keep.
- Enter w and then draw a window around any group or groups of speckles that you want to keep.
- Enter p and then draw a polygon around a group of speckles that you want to keep.
- Enter r and then repeat step 4 to respecify the speckle size and see a different set of speckles highlighted for deletion.