quantMask: Compute the Mask Vector

In FIACH: Retrospective Noise Control for fMRI

Description

This function creates a mask vector for an image using a user specified quantile.

Usage

quantMask(x,quant=.7)

Arguments

x	x can be a 4D/3D array, 2D matrix or 1D vector representing an image.
quant	The quantile level used for masking. Defaults to .7.

Value

returns a binary vector of zeros and ones.

Examples

arr<-array(rnorm(10*10*10*10),dim=c(10,10,10,10))
mask<-quantMask(arr,.7)

FIACH documentation built on May 1, 2019, 8:02 p.m.