Re: combine particles in ROI manager automatically

Posted by karo03 on Apr 20, 2009; 9:04am
URL: http://imagej.273.s1.nabble.com/combine-particles-in-ROI-manager-automatically-tp3692844p3692845.html

One possibility is the application of a Process->Binary->Close-  
operation with appropriate size. This would join objects with distance  
less than the given size. Unluckily this operation works on binary  
images not on ROI's.
Regards
Karsten

Am 20.04.2009 um 09:42 schrieb Karel Jansseune:

> For our research we are making images of Arabidopsis plants growing in
> plates andwe try to measure the area of each plant automatically. In  
> this
> way we try to obtain the growth rate of each plant in the plate
> We successfully made a macro to do the analysis of a folder of  
> images and
> return the results in a text file, but now we sometimes have the  
> problem
> that one plant is divided into two during automatic analysis.
>
> Now I was wondering if it is possible to write a macro to instruct  
> ImageJ
> to combine the ROI’s found within a certain distance of each other.  
> (let
> say, if the 2 ROI’s are less than 2mm apart, they should be combined).

Karsten
[hidden email]