Primesense and Canesta 3D TV Interfaces

Canesta presents its living room TV interface based on its 3D camera:



Primesense presents its version based on its 3D technology:



From the demo it appears that Primesense system works with much finer hand movements as compared with Canesta. Primesense demo appears to be a part of a longer video, also showing the system reacts to quite faint hand gestures.