# Segment statistics

**URL:** <https://discourse.slicer.org/t/segment-statistics/7303>\
**Category:** Support\
**Tags:** segmentation\
**Created:** [June 25, 2019, 12:08pm UTC](https://discourse.slicer.org/t/segment-statistics/7303 "2019-06-25T12:08:36Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![jamesobutler](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/jamesobutler/32/7511_2.png) [@jamesobutler](https://discourse.slicer.org/u/jamesobutler)\
**Post date:** [June 25, 2019, 2:02pm UTC](https://discourse.slicer.org/t/segment-statistics/7303/2 "2019-06-25T14:02:53Z")

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See some information from the following thread:

> [@How to measure 3D volume's dimensions?](https://discourse.slicer.org/t/how-to-measure-3d-volumes-dimensions/1170/8):
>
> There are several ways of computing these metrics. The main difference is what is the representation used (surface or volumetric) and if the entire segment is used or only the part that overlaps with the selected scalar volume. Also, is there a way to compute maximum/minimum 3D diameter with any of the statistics modules? Currently diameter computation is not offered by any of the Segment Statistics plugins. SimpleITK’s LabelShapeStatisticsImageFilter can compute many kind of diameters and…

> It does not matter which method you use (the difference is less than 1%), just choose one and use always that. If you primarily work with labelmaps (and use 3D surface for visualization only) then you may prefer labelmap based method; if you mainly work with surfaces then you may choose the volume computed from the generated surface.

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