# Bone being moved during deformable registration

**URL:** https://discourse.itk.org/t/bone-being-moved-during-deformable-registration/7467
**Category:** Beginner Questions
**Created:** [March 18, 2025, 4:12pm UTC](https://discourse.itk.org/t/bone-being-moved-during-deformable-registration/7467 "2025-03-18T16:12:05Z")
**Posts on this page:** 1
**Page:** 1

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### Author: ![CrownMella](https://discourse.itk.org/user_avatar/discourse.itk.org/crownmella/32/3612_2.png) [@CrownMella](https://discourse.itk.org/u/CrownMella)
#### Post date: [March 18, 2025, 4:12pm UTC](https://discourse.itk.org/t/bone-being-moved-during-deformable-registration/7467/1 "2025-03-18T16:12:05Z")

</div>

Hi,

I am currently using diffeomorphic demons (tried step length 0.5 and 2, included smoothupdatefield and smoothdisplacementfield) to register label maps, I noticed that even if a certain object remains stationary in both instances, it’s still being moved away by the large deformations near it.

To test things out, I used the same image for both fixed and moving images and I still notice that there are deformations that go on. I am just wondering what I am missing