[Insight-users] Region Growing filter just for a region in the image

[John Drozd]

Hi Ella,

You could look at creating a preliminary rough segmentation and putting a
bounding box around it and then do an iterative refined segmentation within
the bounding box around a label map.

A bounding box can be created using the Label Geometry Filter:
http://www.insight-journal.org/browse/publication/301
This is related to the Label Statistics Filter as well:
(you create a label map)
http://www.insight-journal.org/browse/publication/176

Take care,
John
On Tue, Mar 22, 2011 at 2:50 AM, Ella Maria Kadas <ella_kadas at yahoo.com>wrote:

>   Hi,
>
>    I am trying to use in a processing step the region growing filters in a
> 3D image. My problem is that no matter which filter i use from the
> ThresholdConnected, ConfidenceConected or even NeihborhoodConnected and no
> matter how i set the parameters i always get in some cases sometimes almost
> the hole image.
>    Even if i doesn't seem that the points are related as neighbors and grey
> values.
>    So i was wondering if there is some way the define like a bounding cube,
> in order to do apply this filters only on a volume cut from the image.
>    I suppose i could create a new image only containing this cut, i am just
> afraid that i will get in trouble then to go back with the segmented region
> in the right position on the original image.
>     Is there some other good way to do this?
> Thanks,
> Ella
>
>
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-- 
John Drozd
Post-Doctoral Fellow, Robarts Research Institute
The University of Western Ontario
London, ON, Canada
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