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Re: [Openexr-devel] f-stops and steps. How are they related?


From: Yves Poissant
Subject: Re: [Openexr-devel] f-stops and steps. How are they related?
Date: Fri, 7 Jan 2005 21:46:26 -0500


or

    gamma = log (0.5) / log (v/255)

That's the standard gamma test pattern. My monitor is setup so a value of 128 is perceptually equivalent to the black and white pattern. So that means my total gamma is 1.0?

Yves Poissant
Hash Inc.





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