The talented folks at RoboRealm have added a module that provides machine vision capabilities to the LEGO Mindstorms NXT. This free software allows you to control your robots from a PC over a Bluetooth connection, and with a wireless camera, a digitizer, and a little VBScript, gives you the ability to incorporate machine vision to do some pretty cool things.

To demonstrate, RoboRealm hooked up a wireless camera to a TriBot and programmed it to use machine vision to help find a blue ball, pick it up, and move it to an orange cone. Take a look at the videos below to see the robot in action. A comprehensive tutorial is also available to get you started.

Video of robot view:

Video of 3rd-person perspective: