To Make Differences in Shading More Distinct for a Selected Image

1. On the ribbon, click Raster Tools tab Edit panel Process Image drop-down menu Convolve.
2. Select the image or images you want to filter, then press Enter.
3. Click Expand All to expand the filter list.
4. Select the sharpening filter you want to use. A description of the selected filter is displayed in the Image Filters dialog box.
5. Click Run Filter to filter the image(s).