analyze particles additional measuring variables

[Matthias Kirsch]

High,

as a novice, I would need some help with ImageJ.

I would like to analyze particles with redirection to a gray value image. One of the measured parameters should be the sum and/or mean of the 10 or 20 (best if this could be varied) brightest pixels in each particle. Is there an easy way to do that??

Thanks for your help.

Matthias Kirsch