Canon DIGITAL IXUS 70

all
All response curves from which the average was
derived. Only the green channels are plotted.
avrg
Averaged response function for
the Red, Green and Blue channel.

The response curve is the higher order polynomial of the form:

y = a x6 + b x5 + c x4 + d x3 + e x2 + f x + g, with

Channel abcdefg
Red 0 0.631678 0.080619 -0.767103 1.04546 -0.02217 0.031515
Green 0 0.727893 -0.42701 -0.174663 0.823329 0.024028 0.02642
Blue 0 0.615243 0.028182 -0.58684 0.908235 0.01377 0.02141

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