Re: Video cameras for Computer Vision

cadcoke4 wrote:
I posted here about the Z-Cam by 3DV Systems. It is a camera that
uses time-of-flight from a set of LED's that emit a pulse. The
special imaging chip that has a fast gate so that each pixel can have
a depth value.

I imagine that this technology is going to revolutionize navigation
for robots. The best part is that they want to market it to gamers,
and price it under $100.

For computer vision, it can provide a method for creating a 3-d map
of the environment. For your specific application, it provides a way
to filter out objects in the background. I believe this "depth
cropping" is onboard the camera, so it doesn't need computer
processing to do it.

It is supposed to be out this year, but doesn't seem to be for sale
yet to the public. They do have a SDK for sale (and I imagine the
camera is available to developers as well).

Joe Dunfee

Very nice. It's a gated imager, rather than a per-pixel time of
flight counter, so you don't get full Z data in a single frame.
The price is great, though.

John Nagle
.

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