Re: Color from B&W

[P3D <gnored@xxxxxxx>]

Marvin Jones 
> Actually, by photographing through a colored filter and then projecting
> through a similar colored filter, this experiment isn't so much "making
> color from black and white" as it is replacing color that was removed in
> photography.

============

No. That is not the case at all. During projection only the red 
record is projected with a red filter. The blue record is projected 
with no filter at all. On a screen with no content, the result is 
simply pink. Given realistic content, your _brain_ creates the 
missing color -- your eyes cannot provide any color data at all. Dr 
Land believed that the brain is capable of reconstructing the full 
color of the scene from nothing more than two sets of brightness 
values and two wavelength reference points. 

Bear in mind that I'm recalling this from my early sixties experience 
in reconstructing Dr. Land's experiments, and in lecturing on them in 
German, a language I never really learned very well.

For stereoscopic projection, you would still have to polarize the 
images and wear glasses, so that your brain could work on the depth 
cues in the disparate images.

I would imagine that there would be quite a bit of retinal rivalry in 
such a system, but it ought to work -- kinda ;-)

Gary Nored


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