# DTI:Help for calculating diffusion tensor parameters

**URL:** <https://discourse.slicer.org/t/dti-help-for-calculating-diffusion-tensor-parameters/28917>\
**Category:** Community\
**Created:** [April 14, 2023, 12:59pm UTC](https://discourse.slicer.org/t/dti-help-for-calculating-diffusion-tensor-parameters/28917 "2023-04-14T12:59:45Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![li\_rui](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/li_rui/32/65613_2.png) [@li\_rui](https://discourse.slicer.org/u/li_rui)\
**Post date:** [April 14, 2023, 12:59pm UTC](https://discourse.slicer.org/t/dti-help-for-calculating-diffusion-tensor-parameters/28917/1 "2023-04-14T12:59:45Z")

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How to use b\_ Matrix and DWI to calculate DTI parameters? My data only provides one 21 × B of 6\_ Matrix, bval and bvec files were not provided. May I ask if there is any way to convert b\_ Is matrix converted to bval and bvec?