org.openimaj.image.processing.edges

Class EdgeFinder

java.lang.Object

org.openimaj.image.processing.edges.EdgeFinder

All Implemented Interfaces:

ImageAnalyser<FImage>

public class EdgeFinder
extends Object
implements ImageAnalyser<FImage>

Using a simple sobel-like x and y derivative kernel, find edges in an image.

Author:

Jonathon Hare (jsh2@ecs.soton.ac.uk), Sina Samangooei (ss@ecs.soton.ac.uk)

Field Summary

Fields

Modifier and Type	Field and Description
FImage	angle The direction of each edge as worked out by the angle between the triangle formed by the dx and dy of a pixel
protected float[][]	kx
protected float[][]	ky
FImage	magnitude The magnitudes of each edge as worked out by the hypotenuse of the triangle formed by the dx and dy of a pixel

Constructor Summary

Constructors

Constructor and Description
EdgeFinder() Find the edges in an image using default, sobel like 5x5 derivative kernels
EdgeFinder(float[][] kx, float[][] ky) Find edges in an image using the following edge kernels

Method Summary

Modifier and Type	Method and Description
void	analyseImage(FImage image) Analyse an image.

Methods inherited from class java.lang.Object

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

Field Detail

kx

protected float[][] kx

ky

protected float[][] ky

magnitude

public FImage magnitude

The magnitudes of each edge as worked out by the hypotenuse of the triangle formed by the dx and dy of a pixel

angle

public FImage angle

The direction of each edge as worked out by the angle between the triangle formed by the dx and dy of a pixel

Constructor Detail

EdgeFinder

public EdgeFinder(float[][] kx,
                  float[][] ky)

Find edges in an image using the following edge kernels

Parameters:

kx -

ky -

EdgeFinder

public EdgeFinder()

Find the edges in an image using default, sobel like 5x5 derivative kernels

Method Detail

analyseImage

public void analyseImage(FImage image)

Description copied from interface: ImageAnalyser

Analyse an image.

Specified by:

analyseImage in interface ImageAnalyser<FImage>

Parameters:

image - The image to process in place.