sum of pixels' values

[Alejandra Ventura]

Hi,
I would need to compute the sum (instead of the mean) of pixels' values
in a
ROI. How to do it?
thanks


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[Wayne Rasband]

On Oct 17, 2006, at 9:36 AM, Alejandra Ventura wrote:

> Hi,
> I would need to compute the sum (instead of the mean) of pixels'
> values in a ROI. How to do it?
> thanks

Check "Integrated Density" in the Analyze>Set Measurements dialog box.

-wayne