Greenlaw - just unpacked my DELL - so I haven't started with iPi or JimmyRIG yet (I sure hope JimmyRIG Pro can read these bvh files!!!)
I figure anything that increases contrast should help - and maybe the way to go is going to be with some clothing accessories - which is why I threw the idea up.
The OptiFlex folks have probably been down this path before, and went with markers, etc. (but they cost a zillion $$$ more than iPi)
http://www.naturalpoint.com/optitrack/s ... mocap.htmlSo - I'm thinking I might look at their site for some tech notes on the best setup. I'd hate for the iPi developers to get bogged down on issues that could be corrected with some simple fluorescent masking tape markers that are cheap and easy to apply. But, I probably don't know what I'm talking about.
This info from Michael might help you re calibration:
------------------------
the sole purpose of Camera Calibration Tool is to measure camera FOV. This is a critical parameter for 2-camera configuration but not critical if you have 3 or more cameras.
With 3 or more cameras, you can just use "Auto adjust FOV" processing option in iPi Studio. In other thread, you mentioned you are using Logitech Quick Cam Pro 9000. These cameras should have diagonal field of view of about 74 degrees. You can skip Camera Calibration Tool and just use 74 degrees value for FOV.
Just for the record, head on short is not useful for camera calibration (due to specifics of camera geometry it gives no information). Only angled shots are useful. It is supposed that angle shots should be loaded into Camera Calibration Tool, each followed by a click to "Calibrate" button, and the tool will do FOV averaging.
---------------------------------
Cheers!