2D histogram of two channels

Posted by Rainer M. Engel on
URL: http://imagej.273.s1.nabble.com/2D-histogram-of-two-channels-tp5022216.html

Hey..

I did some search for 2D histograms of two channels (or of two one
channel/grey images).

It would look for example like this:
https://www.pyimagesearch.com/wp-content/uploads/2014/01/grant-2d-histograms.png
Source [1]

I found another resource, which describes image properties one
could read from these [2]. By this I got some new search phrases and
found Coloc 2 as an ImageJ-Plugin [3].

Can this plugin export the resulting 256x256px 2D Histograms? I have not
made this so far. Here they are called 2D intensity histograms. The
distributions' weight is also shown with an overlayed straight line
(regression line). This seems to be a static feature.

Is there a way to access/store this "2D intensity histogram"?

Any help is much appreciated.

Regards,
Rainer


[1]
https://www.pyimagesearch.com/2014/01/22/clever-girl-a-guide-to-utilizing-color-histograms-for-computer-vision-and-image-search-engines/

[2] https://svi.nl/TwoChannelHistogram

[3] https://imagej.net/Coloc_2


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