[Insight-users] region growing segmentation -- isolatedConnectedImageFilter

[Harvey Cline]

Hi

In the example of segmenting the brain from the scalp. The first seed is
placed in the brain and the second seed in the scalp. The program uses a
binary search to find the smallest threshold value that automatically
separates the brain from the scalp.

2009/3/6 sara al kady <sara_alkady at hotmail.com>

> hello,
>
> We've been trying to use region growing techniques to separate the brain
> components-we're working on axial slices- but there is something that I
> don't understand in the IsolatedConnectedImageFilter which is .. Which 2
> seeds do I have to pick to separate the components ?
> I understand that the first seed should be related to the component I want
> and the 2nd seed from outside it, but it doesn't work with any seed , I
> think it has to be a specific seed to make the segmentation work correctly.
>
> if anyone knows how to pick the seed or if I misunderstood something and
> need to use another filter completely kindly tell me.
>
> Thanks,
> Sara Al-Kady
>
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