Wasn't there some setup using a spherical mirror (just like those
one-shot panorama systems)? I recall seeing a demo that worked by
recording the video in the typical "donut"-shape (pre-2000), with
playback being remapped in real time.
Behere Technologies have been doing that for a long time. Ipix was into
it. I believe their last victim was a german company which has patented a
fisheye surveilence cam to inspect pipes and things like that.
Behere Technology and Immersivevisions cam head have a several lenses wich
can be individually selected with a joystick or all at once in split
screen fashion. I did some tests with a mirror and hdvideo based on
Beheres concept. The quality is good and as a surveilance application you
dont neccessarily have to unwarp the image and keep it in donut shape.
Unwarping is a huge processor task. Its a fair bit of work just doing stop
motion by extracting , let #s say 3 frames a second, transform them to
rectlinear and layer them back to either do a qtvr object time lapse or
quicktime movie. Bill Meikle VRhotwires.com can take that panomovie and
make what he calls a spriteorama of it.
( http://www.vrh2.com/vrhtools/image_tools/spriteorama/spriteoramas.html
). He invented also a 6 lens cam rig. See the documents.
The other day I had a crash and burn with a remote video. I wanted to make
a transition for 2 nodes from a tee off down a fairway on a golf course in
180°. This crazy idea was spinning in my head for a while. I imagined a
flight path of the golf ball and recreated that with a bow and arrow.
Taped a remote hires video lens on the tip with a door viewer fisheye lens
in front of it. You get a good quality lens for under $20 in a Hardware
store. Some lenses have as much as 200° fov! I got feed, but as soon as
the arrow was in flight it phased out. 2400 MHz does not seem to enough
speed to transmit or whatever. Of course, the arrows impact did not
exactly help the cam either! So all in all I crashed about 100 $. Will try
again though with a slower path.....a ballon perhaps:))) or even crazier.
2 of these lenses and remote cams side by side mounted in a ball......36o°
toss video! Anybody up for it?
Cheers, Milko
--
Milko Amorth
360° Immersive Imaging
Photographic Virtual Reality
VRCanada.ca
604.561.5101
Skype me @ vrdundee
Member of IVRPA.org
Contributor to the World Wide Panorama Project
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