I don`t know if this will copy but here goes. It sure looks alot like the mock up I saw at the SHM but then that was so long ago I can`t say for sure. And it could be their version and it could have been tweeked, but the details described are somewhat like EDIG.http://members.ce.org/publications/vision/2005/novdec/p32.asp?bc=dept&department_id=18