Image:Srgbnonlinearity.png

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[edit] Summary

Three solid squares surrounded by dithers which, in the sRGB color system, should be equally bright.

The first square has linear brightess of 0.25 and is surrounded by a dither of 0 and 0.5; the second one is 0.5 and is surrounded by 0 and 1; the last is 0.75 and surrounded by 0.5 and 1. The values were converted according to the sRGB nonlinear transformation in the range 0–255.

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	Date/Time	Dimensions	User	Comment
current	05:28, 6 June 2007	104×36 (491 B)	Dicklyon (Talk \| contribs)	(Fixed image to overcome objection of editor and [http://normankoren.com/makingfineprints1B.html#Whynewchart Norman Koren] that the pattern is not robust in the face of CRT rise/fall time limitations. )
	18:42, 8 February 2007	104×36 (11 KB)	Army1987 (Talk \| contribs)	(Three solid squares surrounded by dithers which, in the sRGB color system, should be equally bright. The first square has linear brightess of 0.25 and is surrounded by a dither of 0 and 0.5; the second one is 0.5 and is surrounded by 0 and 1; the last is)