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Computes the distance map transform of a binary image. The distance map is a matrix which contains for each pixel the distance to its nearest background pixel.

Usage

dist_transform(binary)

Arguments

binary

A binary image

Value

An Image object or an array, with pixels containing the distances to the nearest background points

Examples

if (interactive() && requireNamespace("EBImage")) {
library(pliman)
img <- image_pliman("soybean_touch.jpg")
binary <- image_binary(img, "B")[[1]]
wts <- dist_transform(binary)
range(wts)
}

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