results from vtkImageSeedConnectivity filter

[Joy P. Ku]

I am using vtkImageThreshold followed by vtkImageSeedConnectivity 
to segment my MR data set.  The results I get using this filter differ
from the results I get using a seeded threshold filter in
another program.  I believe that the problem could be that 
the vtkImageSeedConnectivity doesn't use the same connectivity
criteria of the other program, which uses a 26-neighbor connectivity
criteria.  

What is the connectivity criteria used by vtkImageSeedConnectivity? Are
there other vtk function(s) or other parameters to set for
vtkImageSeedConnectivity that would provide me with the functionality
that I need?    

Joy



~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Joy P. Ku                                     
Electrical Engineering Dept.
Stanford University                             
                                  
office:  650-498-4976, P224 LabSurge             ,            ,
email:   joyku at stanford.edu                      \_ at _      {)/ 
URL:     http://www.stanford.edu/~joyku            \/\_._,<_/     
                                                 ,_/\     /_\    
Hope is hearing the music of the future.            /    /(,     
           Faith is dancing to it today.            ~   ~      
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~





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