Training Computers to See Medical Imagery

In A Smarter Planet.  This raises a question we often addressed.   At what level should human expertise be inserted into a system like this?   Or should we push down to the fundamentals that computers can do today?  And how do these two approaches work together?  And how should they  adjusted over time when maintaining expertise?

" It Takes Smart People to Train Smart Computers ...  Dr. Jose Morey has a full-time job as a radiologist with the U.S. Veterans Administration in Hampton, VA. He also teaches part-time at the University of Virginia and Eastern Virginia Medical School.  As if that wasn’t enough, he is helping IBM develop a system, Medical Sieve, aimed at assisting doctors to interpret medical images.