iiply {imager}

Split an image, apply function, recombine the results as an image

Description

This is just imsplit followed by purrr::map followed by imappend

Usage

iiply(im, axis, fun, ...)

Arguments

im

image

axis

axis for the split (e.g "c")

fun

function to apply

...

extra arguments to function fun

Examples

##' #Normalise colour channels separately, recombine
iiply(boats,"c",function(v) (v-mean(v))/sd(v)) %>% plot