john wrote:
> Pudentame wrote:
>> Christophe wrote:
>>> Pudentame a écrit :
>>>
>>>
>>>> This looks like the technique that Russian guy developed for taking 3
>>>> images sequentially using R,G,B (or was it CMY) filters.
>>>>
>>>> Looks pretty good except for the landscapes where the clouds move
>>>> between shots and & create fringing.
>>> The russian guy name is Sergei Mikhailovich Prokudin-Gorskii
>>>
>>> http://www.cs.cmu.edu/~dellaert/aligned/
>>>
>>> A french inventor, Auguste-Jean-Baptiste TAULEIGNE, developped his own
>>> trichromy process in the early XXth century
>>> http://www.medarus.org/Ardeche/07celebr/07celTex/tauleigne.html
>>>
>>> Christophe
>>>
>> Yup. Anyway, I thought they looked pretty good.
>
> Please excuse me if I'm way off base here, but I remember a tri color
> camera made in the 1950s that simultaneously shot 3 filtered B&W sheets
> of 4 X 5 film that allowed one to directly print the 3 colors of a
> color separation w/o making the separation. I believe that Tri-X or a
> faster film was used due to the huge light losses due to the splitting
> & filtering. Does that have any relevance to this discussion?
>
> Regards, John Drew
>
If memory serves, that's how Technicolor film cameras work, a beam
splitter and filters expose 3 B&W films simultaneously.
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