| ocontour {EBImage} | R Documentation |
Computes the oriented contour of objects.
ocontour(x)
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. Objets are assumed connected.
|
A list of matrices, containing the coordinates of object oriented contours.
Gregoire Pau, gpau@ebi.ac.uk, 2008
x = readImage(system.file("images", "shapes.png", package="EBImage"))
x = x[1:120,50:120]
if(interactive()) display(x)
oc = ocontour(x)
plot(oc[[1]], type='l')
points(oc[[1]], col=2)