P3D Pulfrich

[Dylan The Hippy Wabbit <spacey@xxxxxxxxxxxxx>]

Hi All,

Dave Combs wrote:-

>Just a minor point. Pulfrich movies do provide depth parallax in addition
>to the motion parallax. The slight delay in perception of the image by
>the darkened eye permits the simultaneous viewing for a split second of
>two adjacent video frames, which at 30 frames per second and a camera
>traversing speed of about 4 mph approximate an interoccular distance of
>2.5 inches thus giving the viewer normal depth parallax.

Are you sure one eye is a whole frame behind the other?  Only if the
filter is dark enough to add exactly 1/30th of a second to the time to
process.

The brain does a lot of "tweening" in the process of perception, without
which movies wouldn't work at all.  You could easily be just a half of a
frame behind in the right eye.

Just a thought.

Dave Spacey

______________________________________________________________________________

Walk tall, walk straight,
Spit the world right in the eye.

-Kevin Godley and Lol Creme


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