Re: finding the location of the brightest pixel(s)

Posted by Christian Liebig-3 on Mar 14, 2016; 12:04pm
URL: http://imagej.273.s1.nabble.com/finding-the-location-of-the-brightest-pixel-s-tp5015879p5015885.html

Hi Jeremy,

this little macro should go in the right direction:

getMinAndMax(min,max);
setThreshold(max, max);
run("Convert to Mask");
run("Create Selection");
roiManager("Add");

Best,
Christian


On 14.03.2016 11:56, Jeremy Adler wrote:

> Have I failed to spot a simple command that finds the most intense pixel(s) and reports its location ?
>
> Process/Find maxima provides a list of all the maxima which probably but not necessarily includes the pixel(s) with the peak intensity- and the results could be searched for the brightest.
>
> Perhaps the Histogram command could be extended to produce a pair of arrays that hold the coordinates - it already provides the intensity of the most intense pixel(s).
>
> I appreciate that it is easy to create a macro to find the most intense pixel and its location but, I suspect that an easily applicable command would be of general use.
>
>
>
> Jeremy
>
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> ImageJ mailing list: http://imagej.nih.gov/ij/list.html

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Christian Liebig, PhD

Light Microscopy Facility
Max-Planck-Institute for Developmental Biology
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D-72076 Tuebingen
Germany

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