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[Segmentation][Utilities] Morphological Operations behave unexpectedly
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kalali triaged this task as Normal priority.Oct 29 2021, 3:03 PM
kalali created this task.

I think the problem lies in this difference between the MultiLabel Segmentation Utilities and Segmentation Utilities. For the latter, the "Structuring Element" section looks like this:

grafik.png (123×746 px, 3 KB)

Without the last option, the default seems to be 3D Operation. This causes any Erosion on a single-slice segmentation to delete everything, since it is only one pixel thick. The fix would be to offer the same option in the MultiLabel version of the plugin.

Thanks for looking into this so I guess we postpone this (since we will deactivate the ML utilities for the release) and fix this while working on T28752.