erode: Separable Flat Erosion

In FIACH: Retrospective Noise Control for fMRI

Description

This function erodes data with a flat kernel in up to three dimensions.

Usage

erode(input,k)

Arguments

input	A vector/matrix or 3D array.
k	Window width. Note that the window is symmetric around the i^th element with a total of 2*k+1 elements.

Value

returns the eroded array

Examples

arr<-array(rnorm(30*30*30), dim=c(30,30,30))
e<-erode(arr, k=1)

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