3D Vision Blog

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Adding a Web Camera to the Oculus Rift Can be Quite Helpful

April 18th, 2013 · 23 Comments · 3D / AR / VR / HMD

oculus-rift-plus-webcam


You’ve probably noticed that I’ve been playing mostly with the Oculus Rift Dev Kit since I’ve got my unit and the good thing is that even though so far only about 2K development kits were shipped the community is very active and there are new development around the Rift all the time. Now, since the Rift covers your vision completely and when you put on headphones for the sound you kind of get completely cut off from the “real world”, and though that this has advantages it also brings some disadvantages. Like having a hard time finding the keyboard or the mouse on your desk without taking off the Rift, so I’ve decided to see what can we do to easily get around this problem. The solution is actually quite simple – add a webcam with a wide angle lens so that when you are wearing the Rift you can switch to the camera and see your desk or what is happening around you. I’ve had a suitable webcam around and by replacing the standard lens with a wider angle one I got this simple and easy to use solution working almost perfectly.


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I’ve mounted the camera with Velcro in the center of the Rift and then fired up the Stereoscopic Player with Live Video mode on and the monoscopic camera input set to output using the Oculus Rift viewing method. The web camera is with 640×480 resolution and 30 fps and that seems to work quite well, it also has a set of LEDs for use in dark environments (including a set of IR LEDs) and plugs via USB, it also has a microphone, though I was not able to make it work under Stereoscopic Player. Now, you can easily extend this solution by adding two web cameras f the same model on your Rift to get a stereoscopic 3D video input with the help of the Stereoscopic Multiplexer dual-camera capture solution developers by Peter Wimmer, the author of the Stereoscopic Player. You need to run the Stereoscopic Player in full-screen mode and you can switch between it and the currently running Oculus Rift-compatible game or application by the key combination ALT + TAB. The only drawback here is that you need to be able to hit the key combination, but you can thing of something more creative to be mapped to that combination to make it easier two switch between the two. It works surprisingly well and is a modification that everyone should be able to easily make, even with two cameras for stereo 3D video input (placed at the right distance based on your IPD), the key thing is to use a wider angle lenses instead of the standard ones that would probably be with a narrower angle.


If we get integrated stereo camera solution with an easy to activate overlay or switch between the camera input and application input or combining them both in a future version the Oculus Rift it would also be able to become a device capable not only of VR with stereo 3D support, but for AR applications as well. Meanwhile, the next thing to try out for me is to get rid of all the cables and make the Oculus Rift completely mobile and wirelessly connected to the PC – the display and the headtracker, along with suitable wireless controllers and wireless headphones as well powered by a battery and all inside a backapack on the user’s back. This however would probably take some more time to complete…

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