3D image cluster detection

Hi All,
I would like to detect clusters in 3D images, something similar to “cluster indicator” which is good for 2d. Does anyone have a code for something like this?
Many thanks!
Amit

Have a look at the 3D ImageJ Suite of @ThomasBoudier:

https://imagejdocu.tudor.lu/doku.php?id=plugin:stacks:3d_ij_suite:start

https://imagejdocu.tudor.lu/plugin/analysis/spatial_statistics_2d_3d/start#usage