Re: Computer Compositing

[T3D Jim Crowell <crowell@xxxxxxxxxxxxxxx>]

At 2:22 PM 11/21/96, T3D John Bercovitz wrote:
>I haven't thought out what sort of distortion might be present - I
>just speculated that having an object's associated parallax conflict
>with its depth placement in the scene would produce a distortion
>(amount and type unspecified).  Larry's already noted that he's done
>moderate depth changes and not noticed any distortion so we know (as
>we would expect) that you can get away with it to some degree.

Was that with a familiar or simply-shaped object?

>I think the best bet is for me to solve the geometry problem graphically.

It's a knotty question.  Perceived shape-from-stereo depends on vertical as
well as horizontal disparities, and the two seem to be estimated over quite
different areas (vertical are more coarsely measured than horizontal)...

-Jim C.


------------------------------