Edge detection by Deriche's method.
FilterObjects eliminates objects based on their measurements (e.g., area, shape, texture, intensity).
This module lets you outline the objects in an image using the mouse.
Tutorial explaining how to display a JFreeChart graph in Icy.
Extract image features based on one or more intensity thresholds, and output the result as a labeled image or as a region of interest.
An example of a very simple overlay.