Re: 3D TV prediction (was "3D TV system under development...")

[P3D Jim Crowell <crowell@xxxxxxxxxxxxxxx>]

At 11:21 AM 12/13/96, P3D Bill Costa - NIS/CIS - University of New
Hampshire  <Bill.C wrote:
>
>    What I can't understand about such a device is how a live image could
>    be captured.  Picture the display as a cylindrical fish tank.  You can
>    walk around it to view the fish from any angle (within a fixed plane).
>    Now for data coming from a computer representing airplanes in the sky
>    as blips, this shouldn't be hard.  (Expensive, maybe, given the power
>    of the computer needed, but well within the current state of the art.)
>    But how would you record this with a camera?  Let's say you surround
>    the subject with 4 cameras at the points of the compass; how do you
>    create the view from, say, the North East?  Currently there is no way
>    to interpolate the images from the North camera and the East camera to
>    produce a North East perspective.

Well, if you could calculate the relative phases (as a function of position
in the image plane) of the light beams arriving at the North & East cameras
you could...provided the lights were broad-band enough, maybe...I dunno,
how much medication would that require?  :-)

-Jim C.

----------------------
Jim Crowell
Division of Biology
216-76
Caltech
Pasadena, CA
(818) 395-8337
jim@xxxxxxxxxxxxxxx



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