README.md

Welcom to GE HealthCare MRI research documention!

This page will hopefully provide information for GE HeahthCare MRI research users, with a focus of neuroscience users.

Change List related to GEHC MR

• dcm2niix

How-to Documentation

• GEHC Diffusion tensor (gradient directions)
  • Consolidated information for users who want to generate a custom tensor or convert existing table/file to a GEHC format.
  • New locations of diffusion tensor files from MR30.0
  • Pre-loaded multi-shell diffusion tensor files on GEHC scanners
    • ABCD (tensor4321.dat)
    • UK Biobank (tensor521.dat)
    • ADNI3 Advanced (tensor1127.dat)
    • HCP Lifespan (tensor1225.dat)
  • Emmanuel Caruyer's web appliation to design multi-shell sampling schemes
    • python script to conver to GE tensor format by Mikael Naveau
• GEHC fMRI Slice Timing information
• GEHC Diffusion slice timing
• Distortion Correction for EPI (fMRI/DTI)
  • B0 fieldmap acquisition/processing
  • EPI with phase-encoding polarity (AP/PA)
    • How to get two sets of spin-echo EPI for fMRI a.k.a “SpinEchoFieldMap”
    • Type-in PSDs for EPI (fMRI/Diffusion) with phase-encoding polarity
  • ABCD epi_pepolar prototype's flipped issue with solution
• GEHC MR DICOM tags & BIDS
  • AIR Recon DL
  • Acceleration

Sample Datasets

• GEHC MR DICOM examplers
  • AIR Recon DL
  • Acceleration BIDS validation dataset