Re: histogram from ROI

Posted by Michael Schmid on
URL: http://imagej.273.s1.nabble.com/histogram-from-ROI-tp4999874p4999890.html

Hi Anna,

the ImageJ Macro function getHistogram does exactly what you want, no need to output the pixels.
  http://rsb.info.nih.gov/ij/developer/macro/functions.html#getHistogram

When programming Java, use
  myImagePlus.getStatistics(AREA+MEAN+MODE+MIN_MAX, nBins, histMin, histMax)

Michael
________________________________________________________________
On Aug 28, 2012, at 13:47, Barnes Anna wrote:

> Dear All
> is it possible to output all pixel values from an ROI to create an histogram of values?
>
> I've been using Plugins>Tools>Display Pixel Values but this only seems to give the output from a rectangular ROI within the one I've drawn.
>
> I'm using ImageJ 1.45s for windows.
>
> Thanks
> Anna

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