# \#4dct-lung

**URL:** https://discourse.itk.org/tag/4dct-lung/226.md

[Latest](https://discourse.itk.org/latest.md) · [Categories](https://discourse.itk.org/categories.md) · [Tags](https://discourse.itk.org/tags.md)

---

## [Compute TRE after image registration for 4DCT lung images](https://discourse.itk.org/t/compute-tre-after-image-registration-for-4dct-lung-images/5558)

<div class="topic-metadata">

**Author:** [@VHK](https://discourse.itk.org/u/VHK)\
**Replies:** 3\
**Last updated:** [January 17, 2023, 2:26pm UTC](https://discourse.itk.org/t/compute-tre-after-image-registration-for-4dct-lung-images/5558 "2023-01-17T14:26:46Z")

</div>

Hello, I am doing a deformable image registration for 4DCT lung images. I want to evaluate the registration accuracy by calculating the TRE in SITK. I did Elastix registration in 3D-Slicer and got the transformation as …