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ocontour

Oriented contours

Description

Computes the oriented contour of objects.

Usage

ocontour(x)

Arguments

x

An Image object or an array, containing objects. Only integer values are considered. Pixels of value 0 constitute the background. Each object is a set of pixels with the same unique integer value. Objects are assumed connected.

Value

A list of matrices, containing the coordinates of object oriented contours.

Author(s)

Gregoire Pau, gpau@ebi.ac.uk, 2008

Examples

x = readImage(system.file("images", "shapes.png", package="EBImage"))
  x = x[1:120,50:120]
  display(x)
  oc = ocontour(x)
  plot(oc[[1]], type='l')
  points(oc[[1]], col=2)
EBImage

Image processing and analysis toolbox for R

v4.32.0
LGPL
Authors
Andrzej Oleś, Gregoire Pau, Mike Smith, Oleg Sklyar, Wolfgang Huber, with contributions from Joseph Barry and Philip A. Marais
Initial release

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