paul_hutson

Andy and Emre, you two are amazing. Thanks very much for your excellent ideas. I think that, with no MATLAB experience, I will try the Photoshop export/Gaussian blur that Emre suggests. The MATLAB online manual suggests that the vector used is RGB, which raises another issue (posted as a new thread) about the "best" measure of redness, and whether one scale is better than another (eg., linear) for making statistical comparisons of "redness". Thank you very much.

Paul

I am trying to determine the "redness" of a person's palm and sole by

evaluating digital images using L*a*b values. Is there a way in

Photoshop or another program to average the L*a*b values over a

selected area (eg., entire palm) rather than just a 3 pixel area

(dropper)?

Thanks

Paul

UW School of Pharmacy