dist_transform: Distance map transform

In pliman: Tools for Plant Image Analysis

Distance map transform

Description

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)
}

pliman documentation built on Aug. 21, 2025, 5:46 p.m.