flash cs5 - Brightness from Image Difference? -


i have 2 images same, except 1 has adjustment in brightness.

is there way compute difference of these images in photosshop somehow see has changed 1 image another?

image 1

enter image description here

image 2 (with brightness adjustment)

enter image description here

you use blendmode difference.

place first image on top of second , change blendmode of first 'difference'.

the darker pixel less changed.


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