nifti image windower
Windows an image to min and max values and also changes cal_max and cal_min parameters
window_img(
x,
window = c(0, 100),
replace = c("window", "missing", "zero"),
...
)x |
is either a character name for the image or an object of class nifti |
window |
numeric of length 2 that gives min and max for window |
replace |
either "window" if the any values outside of c(min, max) are set to the min or max or "missing" for these to be set to NA |
... |
not used |
Object of class nifti
set.seed(5) dims = rep(10, 3) arr = array(rnorm(prod(dims)), dim = dims) nim = oro.nifti::nifti(arr) window_img(nim, window = c(1, 5)) window_img(nim, window = c(1, 5), replace = "missing") tfile = tempimg(nim) window_img(tfile) window_img(as.factor(tfile)) arr = window_img(img_data(nim)) rnim = RNifti::readNifti(tfile) window_img(rnim, window = c(1, 5)) range(window_img(rnim, window = c(1, 5))) window_img(rnim, window = c(1, 5), replace = "missing") range(window_img(rnim, window = c(1, 5), replace = "missing"))
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