Which kind of Cameras setup is better? (Two kinect cameras)
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Author:  88888888 [ Sun Aug 11, 2013 9:37 pm ]
Post subject:  Which kind of Cameras setup is better? (Two kinect cameras)

Hi guys, I would to know which position is the best to put kinects cameras on it!
I put one of my kinect in front of me and other one in side of me instead put both of them in front of me
Which would be the best?

Author:  Greenlaw [ Mon Aug 12, 2013 1:47 pm ]
Post subject:  Re: Which kind of Cameras setup is better? (Two kinect camer

It depends on the motion you want to capture. I've had good luck with two Kinects positioned between 90 and 60 degrees for most of my motions. This will still give you 360 capture if occlusion is momentary. If it fails, it's easy to fix the problem, again, if the occlusion is momentary. The Sister Motion Test posted a few months ago is a good example of the kind of 360 motion you can capture with the 90 degree setup.

If you need full 360 capture and the actor is self-occluding often and for longer durations, you should use the 180 setup, which is actually between 160 and 190--you'll want to avoid full 180 because of the possibility of IR interference. With this setup, you will get more complete coverage, though you may lose some subtlety in the motion.

In general, I use the 60-90 setup for most motions and only switch to 180 for problematic shots. Since calibrating with Kinect is so quick and easy, it's not a big deal to switch and recalibrate. For practical reasons though, you should plan to shoot all your 90 degree takes first, and then do all your 180 takes.

I've shot motions using 180 for testing purposes but to be honest, I can't think of a shot we've done yet where we need to switch to the 180 setup--not even for Sister's 'chainsaw dance' in 'Happy Box'.

Hope this helps.


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