fslr (version 1.4.4)

fslsub: Subtract Images using FSL

Description

This function calls fslmaths -sub. The R functions wraps fslmaths

Usage

fslsub(file, file2, outfile = NULL, retimg = TRUE, reorient = FALSE,
  intern = FALSE, opts = "", ...)

Arguments

file

(character) input image

file2

(character) image to be subtracted

outfile

(character) resultant image name (optional)

retimg

(logical) return image of class nifti

reorient

(logical) If retimg, should file be reoriented when read in? Passed to readNIfTI.

intern

(logical) to be passed to system

opts

(character) operations to be passed to fslmaths

...

additional arguments passed to readNIfTI.

Value

• If retimg then object of class nifti. Otherwise, Result from system command, depends if intern is TRUE or FALSE.