# Convert 3d nfti data to 2d

**URL:** <https://discourse.slicer.org/t/convert-3d-nfti-data-to-2d/10605>\
**Category:** Support\
**Created:** [March 9, 2020, 11:19pm UTC](https://discourse.slicer.org/t/convert-3d-nfti-data-to-2d/10605 "2020-03-09T23:19:31Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![safa](https://avatars.discourse-cdn.com/v4/letter/s/9fc348/32.png) [@safa](https://discourse.slicer.org/u/safa)\
**Post date:** [March 9, 2020, 11:19pm UTC](https://discourse.slicer.org/t/convert-3d-nfti-data-to-2d/10605/1 "2020-03-09T23:19:32Z")

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Hi,  
I have 3D nifti data i want to convert it to 2d .  
Are there any tools in slicer you can recommend?  
Thanks a lot!

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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:** [March 9, 2020, 11:39pm UTC](https://discourse.slicer.org/t/convert-3d-nfti-data-to-2d/10605/2 "2020-03-09T23:39:44Z")

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What would you like to achieve? Use the images as training data in a CNN? How would you choose what slices to extract, what region, what resolution?

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**Author:** ![safa](https://avatars.discourse-cdn.com/v4/letter/s/9fc348/32.png) [@safa](https://discourse.slicer.org/u/safa)\
**Post date:** [March 10, 2020, 12:05am UTC](https://discourse.slicer.org/t/convert-3d-nfti-data-to-2d/10605/4 "2020-03-10T00:05:03Z")

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I have 3D data of dimension (255,255,216) i want to convert it to 2D for as training data in a CNN