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imager (version 0.45.8)

idply: Split an image along axis, map function, return a data.frame

Description

Shorthand for imsplit followed by purrr::map_df

Usage

idply(im, axis, fun, ...)

Arguments

im

image

axis

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

fun

function to apply

...

extra arguments to function fun

Examples

Run this code
cimg.limit.openmp()
idply(boats,"c",mean) #mean luminance per colour channel

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