How to calculate amount of connected pixels in blob of an intensity image

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Oliver Horrobin
Oliver Horrobin 2021-3-31
编辑： Matt J 2021-3-31
Hello,
My aim is to calculate the amount of connected pixels in a 'blob'.
I only need to know the amount in the blob with the largest number of pixels.
I only want to include pixels in the blob that have a value greater than 1.
I have included two examples of the type of intensity images I am looking to analyse.
I have looked into regionprops but either I don't understand it or it isn't what I'm looking for.
Any help is really appreciated.
Many thanks,
Ollie

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Matt J
Matt J 2021-3-31
编辑：Matt J 2021-3-31
area=bwarea( bwareafilt(intensityImage>1,1) )

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