Transforms a niftiImage (created by readNifti from package RNiftyReg) into an object with class fmridata
niftiImage2fmri(niftiobj, level = 0.75, mask=NULL, setmask = TRUE, indx = NULL,
indy = NULL, indz = NULL, avoidnegs = FALSE)an object of class fmridata
an object of class niftiImage
quantile used in mask definition
array or nifti-object containing the mask. If set this replaces the mask defined by argument level.
if TRUE create a brain mask
index vector for subcube definition
index vector for subcube definition
index vector for subcube definition
if TRUE change the mean to avoid negative image intensities
Joerg Polzehl polzehl@wias-berlin.de
This function can be used in connection with readNifti from package RNiftyReg to read large fMRI series from nifti files. The resulting fmridata-object stores the image data as 2 byte integer in raw format, in contrast for the 4 byte real used with other functions.
read.AFNI, read.DICOM,
read.ANALYZE, read.NIFTI