 <a href="http://www.cs.cornell.edu/Info/People/mdw/pics/lily.mpg"> MPEG video of Tommy chasing Lily.</a> Tommy and Lily are <a href="#scheme"> mobile robots we built.</a> Using algorithms developed by the <a href="http://www.cs.cornell.edu/Info/Faculty/Daniel_Huttenlocher.html"> vision group</a> in <a href="http://www.cs.cornell.edu/Info/Projects/csrvl/csrvl.html"> our lab</A>, Lily can track Tommy and follow him, using visual information alone. This video shows Lily's view of the `chase.'  <p>
