There is a small amount of information about it in the beginning of the article. Rotating (synchronized) color filters. This and other methods have all been developed by a company called CANVS. http://www.canvs.com/ they've been doing this type of stuff for many years.
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There is a small amount of information about it in the beginning of the article. Rotating (synchronized) color filters. This and other methods have all been developed by a company called CANVS. http://www.canvs.com/ they've been doing this type of stuff for many years.