# Equalizing the number of slices of volumes

**URL:** <https://discourse.slicer.org/t/equalizing-the-number-of-slices-of-volumes/40852>\
**Category:** Support\
**Created:** [December 25, 2024, 8:31pm UTC](https://discourse.slicer.org/t/equalizing-the-number-of-slices-of-volumes/40852 "2024-12-25T20:31:52Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![pieper](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/pieper/32/8_2.png) [@pieper](https://discourse.slicer.org/u/pieper)\
**Post date:** [December 27, 2024, 1:35am UTC](https://discourse.slicer.org/t/equalizing-the-number-of-slices-of-volumes/40852/2 "2024-12-27T01:35:04Z")

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Sounds like you are on a reasonable track, but you may also want to do a rigid registration first so you at least have the anatomy lined up before cropping and resampling.

But also, check out the lung segmentation tools ([GitHub - Slicer/SlicerLungCTAnalyzer: This is a 3D Slicer extension for segmentation and spatial reconstruction of infiltrated, collapsed, and emphysematous areas in lung CT.](https://github.com/Slicer/SlicerLungCTAnalyzer) and [New extension: MONAI Auto3DSeg - raise the bar in AI medical image segmentation](https://discourse.slicer.org/t/new-extension-monai-auto3dseg-raise-the-bar-in-ai-medical-image-segmentation/35680) for example) before investing too much time in new tools.

If there things missing from existing tools please report back here.

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