org.openimaj.image.contour

Class SuzukiNeighborStrategy

java.lang.Object

org.openimaj.image.contour.ContourFollowingStrategy

org.openimaj.image.contour.SuzukiNeighborStrategy

@Reference(type=Article,
           author={"Suzuki, S.","Abe, K."},
           title="Topological Structural Analysis of Digitized Binary Image by Border Following",
           year="1985",
           journal="Computer Vision, Graphics and Image Processing",
           pages={"32","46"},
           month="January",
           number="1",
           volume="30")
public class SuzukiNeighborStrategy
extends ContourFollowingStrategy

The neighbourhood border/contour tracing algorithm described in Appendix 1 of the Suzuki contour detection algorithm

Author:

Sina Samangooei (ss@ecs.soton.ac.uk)

Constructor Summary

Constructors

Constructor and Description
SuzukiNeighborStrategy()

Method Summary

Modifier and Type	Method and Description
void	contour(org.openimaj.image.FImage image, org.openimaj.image.pixel.Pixel start, org.openimaj.image.pixel.Pixel from, org.openimaj.util.function.Operation<org.openimaj.image.pixel.Pixel> operation) Given some starting pixel in an image on a contour and the direction of a non starting image, return each pixel on a contour from the start pixel in the image.
void	directedContour(org.openimaj.image.FImage image, org.openimaj.image.pixel.Pixel ij, org.openimaj.image.pixel.Pixel i2j2, org.openimaj.util.function.Operation<org.openimaj.util.pair.IndependentPair<org.openimaj.image.pixel.Pixel,boolean[]>> operation) Directed contour following.

Methods inherited from class org.openimaj.image.contour.ContourFollowingStrategy

contour

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

SuzukiNeighborStrategy

public SuzukiNeighborStrategy()

Method Detail

contour

public void contour(org.openimaj.image.FImage image,
                    org.openimaj.image.pixel.Pixel start,
                    org.openimaj.image.pixel.Pixel from,
                    org.openimaj.util.function.Operation<org.openimaj.image.pixel.Pixel> operation)

Description copied from class: ContourFollowingStrategy

Given some starting pixel in an image on a contour and the direction of a non starting image, return each pixel on a contour from the start pixel in the image. The first pixel returned must be the start pixel

Specified by:

contour in class ContourFollowingStrategy

Parameters:

image - the image

start - the first point on the contour

from - the pixel that was not a contour

operation - the thing to do for each contour pixel found

directedContour

public void directedContour(org.openimaj.image.FImage image,
                            org.openimaj.image.pixel.Pixel ij,
                            org.openimaj.image.pixel.Pixel i2j2,
                            org.openimaj.util.function.Operation<org.openimaj.util.pair.IndependentPair<org.openimaj.image.pixel.Pixel,boolean[]>> operation)

Directed contour following.

Parameters:

image - the image

ij - the first pixel

i2j2 - the second pixel

operation - the operation to perform