[Insight-users] Possible documentation error in ThresholdSegmentationLevelSetImageFilter

Koen Vermeer koen at vermeer.tv
Fri Nov 7 04:02:57 EST 2008


Hi,

According to the documentation of SegmentationLevelSetImageFilter:

By ITK convention, NEGATIVE values are pixels INSIDE the segmented
region and POSITIVE values are pixels OUTSIDE the segmented region.

But the documentation of ThresholdSegmentationLevelSetImageFilter
states:

Positive values in the output image are inside the segmentated region
and negative values in the image are outside of the inside region. The
zero crossings of the image correspond to the position of the level set
front.

The behaviour of ThresholdSegmentationLevelSetImageFilter seems to
correspond with the documentation of SegmentationLevelSetImageFilter. Is
this a documentation error, or am I missing something here?

Best,
Koen




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