Machine Vision on the Horizon: Vitamin D Launches Object Recognition for Video
readwriteweb.com
readwriteweb.com
If I had to guess I'd say all they have going on in the demo is straightforward background-subtraction with blob tracking.
Maybe they're working on something more interesting, but haven't got a compelling demo yet. That being said, they're trying to tackle a very hard unsolved problem, and quite frankly their chances are low (using HTM is a bad sign.)
http://www.numenta.com/about-numenta/numenta-technology.php (link grabbed from the article)