Re: Fwd: area color

Posted by Fabrice Senger on Oct 16, 2008; 7:41am
URL: http://imagej.273.s1.nabble.com/Fwd-area-color-tp3683786p3683787.html

Peter Oslanec a écrit :

> Hi, I have some questions. Is there anybody to help me?
>
> I would like to get somebody to help me with:
>
> 1. define all gray values in the picture ( I think that this makes
> Historgram)
> 2. define gray values (range of gray values) for different areas in the
> picture (is in ImageJ possibility to label areas and measure gray values
> only in the area? )
> 3. according to this range, change all pixels within the range into one
> color (that means that some areas on the picture will have only one color)
>
> Thanks.
>
> With best regards Peter.
>  

It seems to me that you want to do segmentation, if you have prior
knoledge of how much regions you're interested in you could try k-means
clustering. It is a plugin you can find under "Plugins" , "Segmentation" ...

Fabrice.

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Senger Fabrice