[Fluxus] kinetic

David Griffiths dave at pawfal.org
Thu Dec 2 01:13:55 PST 2010


On Wed, 2010-11-17 at 08:10 -0800, Scott wrote:
> Here's a link to the company that makes the underlying technology...
> or one very similar to it: http://www.primesense.com/?p=487
> 
> What's interesting about the zcam is that it actually uses
> TIME-OF-FLIGHT to compute depth, so IR reflectivity shouldn't really
> matter! 
> 

It does if the pulse they are sending out to measure is IR. IIRC the
picture image is captured at a different time to the depth. Sunlight and
reflective materials were a problem with all the cameras we were looking
at.

In any case I thought the kinetic camera was using structured light - as
it has a projector which projects a pattern on the scene, ir camera to
measure it and a normal rgb camera.

The ir camera and rgb camera are seperate, so you get the shadow effect
you can see in the depth images - time of flight cameras use the same
lens so are a little better.

cheers,

dave






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