[Insight-users] Erroneous Results calculating the gradient of an image with ITK

David Doria daviddoria at gmail.com
Wed Sep 28 08:43:27 EDT 2011


2011/9/28 Antonio Gómez Barquero <agb1 at alu.upct.es>:
>
> Sure, as an example, the first 6 results for the first line in each channel:
>
> For MATLAB:
>
> Channel 1 :     -3              -4              -1      0               -1
> -3
> Channel 2 :     1       0,500000000000000       0       -1
> -0,500000000000000      2
>
> For ITK:
>
> Channel 1:       1.41           1.41            0          -2.83
> -1.417          5.67
> Channel 2:      -4.25           -5.7            -1.42   0
> -1.42           -4.25

Have you looked at the results as an image? My guess is that it is
only different on the border, due to different boundary conditions
being used.

David


More information about the Insight-users mailing list