Re: Non-integer RGB values / Color deconvolution

Posted by Gabriel Landini on Apr 15, 2015; 9:44pm
URL: http://imagej.273.s1.nabble.com/Non-integer-RGB-values-Color-deconvolution-tp5012493p5012500.html

On Wednesday 15 Apr 2015 18:18:35 Rodrigo Gonçalves wrote:

> For example when I use Color Deconvolution with “From ROI” option, I get the
> Vector Matrix with values of e.g.
>
>
> Red: 9.290228
> Green: 8.5856
> Blue: 11.380588
>
> Are all those non-integer digits the result of average-like operations over
> a number of pixels with different, integer RGB values?

Yes. Since you are using an ROI to define one pure colour, it is likely to
have more than one pixel. The average of integers is not necessarily another
integer.
I hope it clarifies it.

Gabriel

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