[Insight-users] itkGradientRecursiveGaussianImageFilter

[Ting Chen]

Hi! I hope somebody check the problem with this class, at least I hope the auther could check it. It is a very basic and useful class for image processing and 
I think there is a big chance that somebody will use it when they try itk. It seems the problem should not be too difficult to solve.
thanks
ting

    -----Original Message-----
    From: Ting Chen <chenting at graphics.cis.upenn.edu>
    To: insight-users at public.kitware.com <insight-users at public.kitware.com>
    Date: Friday, January 04, 2002 3:59 PM
    Subject: [Insight-users] itkGradientRecursiveGaussianImageFilter
    
    
    did anybody try to use this filter in their work. It seems to me that this filter do not work correctly.
     
    I run the itkGradientRecursiveGaussianImageFiltertest program using its default input. (a 8*8*8 image with a 4*4*4 cubic in it) the output is:
    it seems the output in z direction do make some sense, however in x and y direction I cannot see any clue, can anyone solve this as soon as possible?
    thanks
     
    -107374176.000000, -107374176.000000, 1.936863
    -107374176.000000, -107374176.000000, 3.221592
    -107374176.000000, -107374176.000000, 4.392718
    -107374176.000000, -107374176.000000, 5.133419
    -107374176.000000, -107374176.000000, 5.094591
    -107374176.000000, -107374176.000000, 4.170907
    -107374176.000000, -107374176.000000, 2.643576
    -107374176.000000, -107374176.000000, 1.215318
    -107374176.000000, -107374176.000000, 3.221592
    -107374176.000000, -107374176.000000, 5.358489
    -107374176.000000, -107374176.000000, 7.306427
    -107374176.000000, -107374176.000000, 8.538438
    -107374176.000000, -107374176.000000, 8.473854
    -107374176.000000, -107374176.000000, 6.937488
    -107374176.000000, -107374176.000000, 4.397072
    -107374176.000000, -107374176.000000, 2.021443
    -107374176.000000, -107374176.000000, 4.392718
    -107374176.000000, -107374176.000000, 7.306427
    -107374176.000000, -107374176.000000, 9.962490
    -107374176.000000, -107374176.000000, 11.642366
    -107374176.000000, -107374176.000000, 11.554303
    -107374176.000000, -107374176.000000, 9.459431
    -107374176.000000, -107374176.000000, 5.995513
    -107374176.000000, -107374176.000000, 2.756287
    -107374176.000000, -107374176.000000, 5.133419
    -107374176.000000, -107374176.000000, 8.538438
    -107374176.000000, -107374176.000000, 11.642366
    -107374176.000000, -107374176.000000, 13.605507
    -107374176.000000, -107374176.000000, 13.502593
    -107374176.000000, -107374176.000000, 11.054482
    -107374176.000000, -107374176.000000, 7.006478
    -107374176.000000, -107374176.000000, 3.221053
    -107374176.000000, -107374176.000000, 5.094590
    -107374176.000000, -107374176.000000, 8.473853
    -107374176.000000, -107374176.000000, 11.554303
    -107374176.000000, -107374176.000000, 13.502593
    -107374176.000000, -107374176.000000, 13.400459
    -107374176.000000, -107374176.000000, 10.970865
    -107374176.000000, -107374176.000000, 6.953480
    -107374176.000000, -107374176.000000, 3.196688
    -107374176.000000, -107374176.000000, 4.170907
    -107374176.000000, -107374176.000000, 6.937488
    -107374176.000000, -107374176.000000, 9.459432
    -107374176.000000, -107374176.000000, 11.054483
    -107374176.000000, -107374176.000000, 10.970868
    -107374176.000000, -107374176.000000, 8.981774
    -107374176.000000, -107374176.000000, 5.692768
    -107374176.000000, -107374176.000000, 2.617107
    -107374176.000000, -107374176.000000, 2.643576
    ....
    (the rest of the oupput is omitted here)
     
     
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