http://imagej.273.s1.nabble.com/A-question-about-ImageJ-s-threshold-values-tp5013177p5013214.html
> Hi Avital and everyone,
>
> there was a bug in the percentile display of the Threshold panel; the
> highest pixel value (255 for uncalibrated 8-bit images) was not included in
> the statistics if it was not inside the thresholded range.
> Wayne has fixed this in the latest daily build, 1.49v4.
>
> Michael
> ________________________________________________________________
>
> On Jun 16, 2015, at 14:36, Avital Steinberg wrote:
>
> > Hi,
> > When I choose any auto thresholding method in ImageJ, I get a histogram.
> I
> > can change the threshold values using a slide bar and I see percent
> values.
> > Are these percent cumulative frequencies for the histogram, or something
> > else?
> >
> > I would like to write a macro which, when given a percent value from this
> > slide bar, would give me a threshold value. I tried doing this with the
> > following macro:
> >
> >
>
http://imagej.1557.x6.nabble.com/Threshold-as-a-percentage-of-image-histogram-td3695671.html> >
> > but the values it gave were different from what I expected.
> >
> > Also, there must be something that I don't understand, because the
> > percentile auto thresholding method shows a value of 70.17% percent on
> the
> > slide bar. I thought it would give me 50%.
> >
> > I'm confused and would appreciate your help.
> >
> > Thanks,
> >
> > Avital
>
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