Gamma values !?
20-Jan-94 11:49:11
Sb: #77649-Gamma values !?
Fm: Martin Enthed 100277,1272
To: Yost Group 76702,413
>The basic gamma correction function is an exponential function of the form:
>lookup value = intensity (to the power) 1.0/y
So if I want the gamma corrected intensity of medium gray (128,128,128) at
gamma 2.2 I would solve the following :
128 = X (to the power) 1.0/2.2
Have I got it the wrong way, or is this right?
-M.E