Description Usage Arguments Value Author(s) Examples
View source: R/kellyKapowski.R
Diffeomorphic registration-based cortical thickness based on probabilistic segmentation of an image. This is an optimization algorithm.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 |
s |
segmentation image |
g |
gray matter probability image |
w |
white matter probability image |
its |
convergence params - controls iterations |
r |
gradient descent update parameter |
m |
gradient field smoothing parameter |
x |
matrix-based smoothing |
e |
restrict deformation boolean |
q |
time spacing, a vector equal to the number of time dimensions |
timeSigma, |
a scalar sigma value for distances between time points |
verbose |
boolean |
... |
anything else, see KK help in ANTs |
thickness antsImage
Shrinidhi KL, Avants BB
1 2 3 4 5 6 | img<-antsImageRead( getANTsRData("r16") ,2)
img<-resampleImage(img,c(64,64),1,0)
mask<-getMask( img )
segs<-kmeansSegmentation( img, k=3, kmask = mask)
thk<-kellyKapowski( s=segs$segmentation, g=segs$probabilityimages[[2]],
w=segs$probabilityimages[[3]],its=45,r=0.5,m=1 )
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