#' @title FSL Analysis Pipeline
#'
#' @description Run my analysis pipeline
#' @param t1 filename of T1 Image
#' @param t2 filename of T2 Image
#' @param flair filename of FLAIR Image
#' @param pd filename of PD Image
#' @param bias_correction Should Bias correction be done?
#' @param ... pass to other stuff
#' @export
#' @import fslr
#' @import plyr
#' @import oro.nifti
#' @return Stuff
fsl_pipeline = function(t1, # filename of T1 Image
t2, # filename of T2 Image
flair, # filename of FLAIR Image
pd, # filename of PD Image
bias_correction = TRUE,
...
){
outdir = "~/Desktop/results"
outdir = path.expand(outdir)
options(fsl.path="/usr/local/fsl")
# Data taken from http://www.osirix-viewer.com/datasets/
# img.names = c("T1", "T2", "FLAIR", "PD")
# fnames = paste0(img.names, "norm", ".nii.gz")
#
# imgs = system.file(paste0("Baseline_MRI/", fnames), package="ENARSC2015")
# ### read in Data
# t1 = imgs[1]
# t2 = imgs[2]
# flair = imgs[3]
# pd = imgs[4]
# outfile = file.path(outdir, paste0(nii.stub(imgs, bn=TRUE), "_N3Correct"))
dicom_path = system.file("FLAIR_DICOM/Brainix", package="ENARSC2015")
outfile = file.path(outdir, "FLAIR_NIfTI")
img = dcm2nii(dicom_path, retimg = FALSE, outfile = outfile)
bias_file = paste0(outfile, "_FSL_N3Correct")
fast(outfile, opts = "-B --nopve -v", outfile=bias_file)
ext = get.imgext()
seg_file = paste0(bias_file, "_seg", ext)
file.remove(seg_file)
bias_file = paste0(bias_file, "_restore")
}
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