Re: Possible bug with perimeter calculation on composite selections

Posted by Gabriel Landini on Jan 23, 2009; 2:18pm
URL: http://imagej.273.s1.nabble.com/Possible-bug-with-perimeter-calculation-on-composite-selections-tp3693924p3693933.html

On Friday 23 January 2009 13:51:41 Michael Schmid wrote:
> Hi Chris,
>
> partly this has been discussed a while ago in the mailing list, see
>    https://list.nih.gov/cgi-bin/wa?A2=ind0803&L=IMAGEJ&P=R2098&I=-3

I think that this is a different issue, not the differences due to perimeter
encoding, but some other problem. The difference is massive (50%
underestimation).
As a workaround one could store the ROIs individually and add their perimeters
afterwards.

G.