Java Applet to illustrate the effects of Unsharp Masking
Unsharp Masked Image = Original Image + factor*high passed filtered image
(You can use the [Clear All] button to clear all the images and histograms)
1. Select an image by double clicking the image name in the image files list.
2. Modify the factor Lamda with the desired high freq boost.
3. Click on the button to start the process. [more info]