I would like to determine the average of a region of pixels within an image and quantify it automatically. How can I do that?

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I have an .lsm image and with a single color channel. Each image has a couple of regions of pixels that I would like to calculate the mean. Is there a function that can identify these regions of interest and quantify its mean automatically?
Also is there a function in Matlab that could count the regions within an iamge based on its RGB?
Thank you!!
Kind wishes,

Accepted Answer

Image Analyst
Image Analyst on 8 Jun 2022
You need to create a binary image and then use regionprops
In short it's
props = regionprops(binaryImage, grayScaleImage, 'MeanIntensity');
allMeanIntensities = [props.MeanIntensity]

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