Clear Filters
Clear Filters

How to calculate sum of pixel values in grey scale images.

34 views (last 30 days)
Hi all,
I have a grey scale image that contains a tumour uptake and i want to know how to calculate the sum of all pixel values (intensities) within this tumour. I have selected the ROI where i want to calculate the uptake value. I called this image myROI.
Can you help in this, please ?

Accepted Answer

Guillaume
Guillaume on 29 Jul 2019
Not many details are given, but shouldn't it be:
sum(myROI(:)) %sum of all values in array myROI
If on R2018b or later, you can also use:
sum(myROI, 'all')

More Answers (0)

Categories

Find more on Display Image in Help Center and File Exchange

Tags

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!