According to the invention, {HEAD ~ the 3 D machine vision obstacle detection apparatus} includes {TAIL ~ an image acquisition device} such as two or more video cameras, or digital cameras, arranged to view a monitored scene stereoscopically 
According to the invention , { HEAD ~ the 3 D machine vision obstacle detection apparatus } includes { TAIL ~ an image acquisition device } such as two or more video cameras , or digital cameras , arranged to view a monitored scene stereoscopically
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH