P3D holograms

[roberts@xxxxxxxxxxxxxxxxx (John W Roberts)]

[Note: Bob's message was posted without a subject line, so those who
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>Date: Tue, 7 Jul 1998 02:26:55 -0600
>From: "Bob Howard" <bobh@xxxxxxxxxxxxxxxxxx>

>RE: Bryan wonders if several pairs of stereo pix could be scanned 
>onto "holographic" film to make a hologram?
>I wonder if he knows what a hologram is? My understanding is that a 
>captured hologram image (on hologram film which is contasty and 
>fine enough to capture it) is NOT a real image made with a camera 
>lens (such as the stereo pairs would be) BUT is a record of 
>wavefronts of light from an object captured in mid-distance. When 
>illuminated properly (laser in real hologram) thedeveloped holograph 
>film generates the wave fronts and they continue onto the observer 
>and the three dimesional original object is seen. I think that he may 
>be thinking of some kind of lenticular display which is sliced strips 
>of many lens image viewpoints in a real image. 

There are many kinds of images that can be made by holographic processes,
including some which combine multiple photos ("The Kiss" is a famous one).
I don't specifically recall work on combination of multiple *stereo*
photos, but it may have been discussed in the past on P3D.

John R


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