Module imagingbook.common

Package imagingbook.common.edges

Class GrayscaleEdgeDetector

java.lang.Object

imagingbook.common.edges.GrayscaleEdgeDetector

All Implemented Interfaces:

EdgeDetector

public class GrayscaleEdgeDetector
extends Object
implements EdgeDetector

Simple grayscale edge detector for all types of images. Color images are converted to grayscale before edge detection. See Sec. 5.3 of [1] for a detailed description.

[1] W. Burger, M.J. Burge, Digital Image Processing – An Algorithmic Introduction, 3rd ed, Springer (2022).

Version:

2022/12/12

Constructor Summary

Constructors

Constructor	Description
GrayscaleEdgeDetector(ImageProcessor ip)

Method Summary

Modifier and Type	Method	Description
FloatProcessor	getEdgeMagnitude()	Returns the calculated edge magnitude for each pixel as a FloatProcessor.
FloatProcessor	getEdgeOrientation()	Returns the calculated edge orientation for each pixel as a FloatProcessor.

Methods inherited from class java.lang.Object

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

Constructor Details

GrayscaleEdgeDetector

public GrayscaleEdgeDetector(ImageProcessor ip)

Method Details

getEdgeMagnitude

public FloatProcessor getEdgeMagnitude()

Description copied from interface: EdgeDetector

Returns the calculated edge magnitude for each pixel as a FloatProcessor.

Specified by:

getEdgeMagnitude in interface EdgeDetector

Returns:

the edge magnitude map

getEdgeOrientation

public FloatProcessor getEdgeOrientation()

Description copied from interface: EdgeDetector

Returns the calculated edge orientation for each pixel as a FloatProcessor.

Specified by:

getEdgeOrientation in interface EdgeDetector

Returns:

the edge orientation map