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So how do these systems work? Do the goggles have some sort of position measuring devices or do they work through image recognition of what's in the field?



It must be positional; image recognition would seem a little too good to be true.

Would be delighted to be contradicted, though!


I've been looking into augmented reality technologies lately; vision systems are getting really good. There are some good ones here (click twice to load Flash videos, or download AVIs):

http://www.robots.ox.ac.uk/~bob/research/research_ptamm.html


Thanks for the link. Fascinating stuff, makes me want to quit and go jump into AR.




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