http://imagej.273.s1.nabble.com/multi-phase-segmentation-marker-controlled-watershed-tp5023107p5023108.html
> Hi
> I am working with a 3D image of a soil which contains 4 different
> materials.
> I would like to segment it in 4 phases. I read that watershed works well so
> I am trying to use marker-controlled watershed, the one according with its
> description requires
>
> -The Input image: a 2D or 3D grayscale image to flood, usually the gradient
> of an image.
> -The Marker image: an image of the same dimensions as the input
> containing the seed points or markers as connected regions of voxels, each
> of them with a different label. They correspond usually to the local minima
> of the input image, but they can be set arbitrarily.
>
> For the input I generated a gradient using morpholobj/morphological filters
> (3D)
>
> But for the Marker I am having problems. I don’t know how to generate an
> appropriate 3D image. Making use of global segmentation I generated an
> image
> of 4 phases, expecting it could work as my marker. However giving this
> image
> and my gradient to marker-controlled watershed it gives me back as a result
> the marker 3D image.
>
> Do you how can I generate and appropriate marker? Or how can I obtain my
> segmentation in 4 phases?
>
> Thanks in advance
>
>
>
>
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