SubscribeA Russian photographer, named Sergei Mikhailovich Prokudin-Gorskii, working in the years just before World War I, developed an ingenious process for creating color image projections. Take three black and white photographs of the same scene, each one through a different colored filter (green, red, and blue, the three additive primaries). Later, using a special projector, project the plates back through the same filters, and get a single color image on the wall. Not exactly a color photograph, but still very, very interesting and quite ahead of its time.If you have the three black and white plates for a single photograph, you can fiddle with them in photoshop to get the colors of the scene. If you don't have the three color-filtered photos, it's much harder to reconstruct a true-color photo.
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posted by spazzm at 3:24 AM on January 16, 2004