# From CT to qCT?

**URL:** https://discourse.slicer.org/t/from-ct-to-qct/11782
**Category:** Support
**Created:** [May 29, 2020, 6:52pm UTC](https://discourse.slicer.org/t/from-ct-to-qct/11782 "2020-05-29T18:52:01Z")
**Posts on this page:** 1
**Showing post:** 4

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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: [May 31, 2020, 12:48am UTC](https://discourse.slicer.org/t/from-ct-to-qct/11782/4 "2020-05-31T00:48:34Z")

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Yes, you can transform the values any way you want by getting voxel array as a numpy array and then use standard Python functions on that array. See [examples in the script repository](https://www.slicer.org/wiki/Documentation/Nightly/ScriptRepository#Add_noise_to_image).

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