I’ve been met an issue with dwibiascorrect -ants while processing a diffusion MRI data. Has anyone encountered the same problem? My personal computer system is macOS 10.14.6 on Macbook Pro 2015, with FSL version 6.0, and installed the newest version of MRtrix3 a month ago.
The command I’ve been trying to use is:
dwibiascorrect -ants dwi_denoised_unringed_preproc.mif dwi_denoised_unringed_preproc_unbiased.mif
Here’s the error message:
JallysondeMBP:006_control Jallyson$ dwibiascorrect -ants dwi_denoised_unringed_preproc.mif dwi_denoised_unringed_preproc_unbiased.mif dwibiascorrect: dwibiascorrect: Note that this script makes use of commands / algorithms that have relevant articles for citation; INCLUDING FROM EXTERNAL SOFTWARE PACKAGES. Please consult the help page (-help option) for more information. dwibiascorrect: dwibiascorrect: **[ERROR] Could not find ANTS program N4BiasFieldCorrection; please check installation**
When I use help option in the terminal, it returns below, does it mean there is nothing wrong with my MRtrix installation?
JallysondeMacBook-Pro:~ Jallyson$ dwibiascorrect MRtrix cac05b6f dwibiascorrect bin version: cac05b6f dwibiascorrect: Script using the MRtrix3 Python library SYNOPSIS Perform B1 field inhomogeneity correction for a DWI volume series USAGE dwibiascorrect [ options ] input output input The input image series to be corrected output The output corrected image series Options for the dwibiascorrect script -mask MASK Manually provide a mask image for bias field estimation -bias BIAS Output the estimated bias field -ants Use ANTS N4 to estimate the inhomogeneity field
Could you help me to deal with the problem?