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oscardelama/gist:bd2f949fd9295ca2a9b5

Created February 6, 2015 16:44
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rgb-noise: sRGB linear - Initial analysis
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gistfile1.r
vvm.rgb <- convert.to.rgb(target.space = 'sRGB', use.camera.tc = FALSE, target.tc = 'linear')
x11()
vvm.rgb$plot(tlab = "VVM Selected samples in linear sRGB",
slab = 'Without camera tone curve')
vvm.rgb$plot(x = log2(mean), y = 20*log10(mean/sqrt(var)),
tlab = "SNR Selected samples in linear sRGB",
slab = 'Without camera tone curve',
xlab = "Signal (stops)", xlim=c(-1.5,8),
ylab = "SNR (dB)")
vvm.rgb$plot(x = (mean), y = 20*log10(mean/sqrt(var)),
tlab = "SNR Selected samples in linear sRGB",
slab = 'Without camera tone curve',
xlab = "Signal",
ylab = "SNR (dB)")
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