# Segment registration is Voxelbase registration？

**URL:** <https://discourse.slicer.org/t/segment-registration-is-voxelbase-registration/18338>\
**Category:** Support\
**Created:** [June 25, 2021, 12:53pm UTC](https://discourse.slicer.org/t/segment-registration-is-voxelbase-registration/18338 "2021-06-25T12:53:02Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![lili-yu22](https://avatars.discourse-cdn.com/v4/letter/l/dbc845/32.png) [@lili-yu22](https://discourse.slicer.org/u/lili-yu22)\
**Post date:** [June 25, 2021, 12:53pm UTC](https://discourse.slicer.org/t/segment-registration-is-voxelbase-registration/18338/1 "2021-06-25T12:53:02Z")

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Operating system:windows  
Slicer version:3Dslicer4.11.20210226  
Expected behavior:May I ask the segment registration is the Voxelbase registration？What’s the principle of the surface registration？  
Actual behavior:

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<div class="post-metadata">

**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:** [June 25, 2021, 5:41pm UTC](https://discourse.slicer.org/t/segment-registration-is-voxelbase-registration/18338/2 "2021-06-25T17:41:59Z")

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Segment registration registers distance maps computed from the segments. See details in the [papers listed in the extension’s documentation](https://github.com/SlicerRt/SegmentRegistration#segment-registration).