# Thresholding largest/smallest component in ITK

**URL:** <https://discourse.itk.org/t/thresholding-largest-smallest-component-in-itk/5601>\
**Category:** Algorithms\
**Created:** [January 3, 2023, 11:06am UTC](https://discourse.itk.org/t/thresholding-largest-smallest-component-in-itk/5601 "2023-01-03T11:06:43Z")\
**Posts on this page:** 1\
**Showing post:** 15

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**Author:** ![dzenanz](https://discourse.itk.org/user_avatar/discourse.itk.org/dzenanz/32/1093_2.png) [@dzenanz](https://discourse.itk.org/u/dzenanz)\
**Post date:** [January 3, 2023, 3:47pm UTC](https://discourse.itk.org/t/thresholding-largest-smallest-component-in-itk/5601/15 "2023-01-03T15:47:58Z")

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3D images frequently have strong [topological connectivity](https://discourse.itk.org/t/connected-components-use-the-same-label-for-different-objects/1660). You could explore your image using 3D Slicer. It’s [Islands operations](https://slicer.readthedocs.io/en/latest/user_guide/modules/segmenteditor.html#islands) use ITK’s connected component and relabel filters.

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_[View the full topic](https://discourse.itk.org/t/thresholding-largest-smallest-component-in-itk/5601)._