[Insight-users] Persistent watershed segmentation

[Joshua Cates]

Hi Brian,

This is a great approach.  In fact, there is an implementation that does 
exactly this in InsightApplications/SegmentationEditor.

Josh.


On Wed, 25 Aug 2004, Brian Rowe wrote:

> I am trying to use the watershed segmentation
> algorithm to segment a large volume.  Since this takes
> a long time, and the input files are not going to
> change, I'd like to save the results of the
> segmentation.  That is to say, I'd like to save the
> labeled image and the segmentation tree, with the
> hopes of loading them and providing them to the
> relabeler at run time.  
> 
> The way I am trying to do this is:
> small utility application:
> 1) feed the appropriately filtered data to the
> itk::WatersheImageFilter
> 2) get the SegmentationTree, and save it to a file
> 3) get the BasicSegmentation (labeled image) and save
> it to a file (using itk::RawImageIO)
> 
> User Application (GUI):
> 4) read the SegmentationTree
> 5) using itk::MetaImageIO read the BasicSegmentation
> 6) give the the tree, BasicSegmentation image, and the
> user-selected flood level to the
> itk::watershed::Relabler
> 7) display the new segmentation
> 
> I am having a hard time getting this to work, so I
> have some questions...
> 
> Is there already an implementation of this?
> Is this a feasible approach?
> 
> Thank you for your time...
> 
> =====
> 1.79 x 10^12 furlongs per fortnight -- it's not just a good idea, it's the law!
> 
> 
> 		
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