# Issues with segmentation pixelation and resolution when using separate Axial/Coronal DICOMs.

**URL:** https://discourse.slicer.org/t/issues-with-segmentation-pixelation-and-resolution-when-using-separate-axial-coronal-dicoms/45752
**Category:** Support
**Tags:** segmentation, dicom
**Created:** [January 12, 2026, 4:36pm UTC](https://discourse.slicer.org/t/issues-with-segmentation-pixelation-and-resolution-when-using-separate-axial-coronal-dicoms/45752 "2026-01-12T16:36:52Z")
**Posts on this page:** 1
**Showing post:** 2

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### Author: ![lassoan](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/lassoan/32/13_2.png) [@lassoan](https://discourse.slicer.org/u/lassoan)
#### Post date: [January 12, 2026, 5:40pm UTC](https://discourse.slicer.org/t/issues-with-segmentation-pixelation-and-resolution-when-using-separate-axial-coronal-dicoms/45752/2 "2026-01-12T17:40:19Z")

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This is a very common limitation of clinical images that are acquired for slice-by-slice reading by humans, and not for 3D processing. You can find how to deal with such images for example here:

> [@Combining volumes - what am I missing?](https://discourse.slicer.org/t/combining-volumes-what-am-i-missing/2941/2):
>
> In general, these multiple low-resolution acquisitions are not well suited for any 3D processing, so the best would be to acquire proper 3D volume, with as isotropic spacing (cubic voxel shape) as possible. You may try to find toolkits that can create an isotropic super-resolution image from multiple low-resolution sweeps, but this is a difficult image reconstruction problem, so there are no standard solutions. Have a look at this post [Import volume by projections](https://discourse.slicer.org/t/import-volume-by-projections/2871/6) for info on a toolkit that mig…

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