# How to compare two sets of brain MRI images and give diff color in the different parts?

**URL:** <https://discourse.slicer.org/t/how-to-compare-two-sets-of-brain-mri-images-and-give-diff-color-in-the-different-parts/1831>\
**Category:** Support\
**Created:** [January 13, 2018, 1:51pm UTC](https://discourse.slicer.org/t/how-to-compare-two-sets-of-brain-mri-images-and-give-diff-color-in-the-different-parts/1831 "2018-01-13T13:51:54Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![paul\_seldon](https://avatars.discourse-cdn.com/v4/letter/p/c89c15/32.png) [@paul\_seldon](https://discourse.slicer.org/u/paul_seldon)\
**Post date:** [January 13, 2018, 1:51pm UTC](https://discourse.slicer.org/t/how-to-compare-two-sets-of-brain-mri-images-and-give-diff-color-in-the-different-parts/1831/1 "2018-01-13T13:51:54Z")

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Operating system: Window  
Slicer version: 4.8.1  
Expected behavior:  
I would like to see the difference with red color  
after comparsion of the two sets of MRI data

Actual behavior:  
4.8.1 is not loading after I click, it is automatically deactivates and does nothing.

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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 13, 2018, 3:20pm UTC](https://discourse.slicer.org/t/how-to-compare-two-sets-of-brain-mri-images-and-give-diff-color-in-the-different-parts/1831/2 "2018-01-13T15:20:02Z")

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Please follow these instructions:

[https://www.slicer.org/wiki/Documentation/Nightly/Developers/Tutorials/Troubleshooting#Debugging\_Slicer\_application\_startup\_issues](https://www.slicer.org/wiki/Documentation/Nightly/Developers/Tutorials/Troubleshooting#Debugging_Slicer_application_startup_issues)