Catalano.Imaging.Corners

Class HarrisCornersDetector

java.lang.Object

Catalano.Imaging.Corners.HarrisCornersDetector

All Implemented Interfaces:

ICornersDetector

public class HarrisCornersDetector
extends java.lang.Object
implements ICornersDetector

Harris Corners Detector.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	HarrisCornersDetector.HarrisCornerMeasure

Constructor Summary

Constructors

Constructor and Description
HarrisCornersDetector() Initializes a new instance of the HarrisCornersDetector class.
HarrisCornersDetector(float k) Initializes a new instance of the HarrisCornersDetector class.
HarrisCornersDetector(float k, float threshold) Initializes a new instance of the HarrisCornersDetector class.
HarrisCornersDetector(float k, float threshold, double sigma) Initializes a new instance of the HarrisCornersDetector class.
HarrisCornersDetector(float k, float threshold, double sigma, int suppression) Initializes a new instance of the HarrisCornersDetector class.
HarrisCornersDetector(HarrisCornersDetector.HarrisCornerMeasure measure) Initializes a new instance of the HarrisCornersDetector class.
HarrisCornersDetector(HarrisCornersDetector.HarrisCornerMeasure measure, float threshold) Initializes a new instance of the HarrisCornersDetector class.
HarrisCornersDetector(HarrisCornersDetector.HarrisCornerMeasure measure, float threshold, double sigma) Initializes a new instance of the HarrisCornersDetector class.
HarrisCornersDetector(HarrisCornersDetector.HarrisCornerMeasure measure, float threshold, double sigma, int suppression) Initializes a new instance of the HarrisCornersDetector class.

Method Summary

Modifier and Type	Method and Description
float	getK() Gets Harris parameter k.
HarrisCornersDetector.HarrisCornerMeasure	getMeasure() Gets the measure to use when detecting corners.
double	getSigma() Get Gaussian smoothing sigma.
int	getSuppression() Gets Non-maximum suppression window radius.
float	getThreshold() Get Harris threshold.
java.util.List<IntPoint>	ProcessImage(FastBitmap fastBitmap) Process image.
void	setK(float k) Sets Harris parameter k.
void	setMeasure(HarrisCornersDetector.HarrisCornerMeasure measure) Sets the measure to use when detecting corners.
void	setSigma(double sigma) Set Gaussian smoothing sigma.
void	setSuppression(int suppression) Sets Non-maximum suppression window radius.
void	setThreshold(float threshold) Set Harris threshold.

Methods inherited from class java.lang.Object

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

Constructor Detail

HarrisCornersDetector

public HarrisCornersDetector()

Initializes a new instance of the HarrisCornersDetector class.

HarrisCornersDetector

public HarrisCornersDetector(float k)

Initializes a new instance of the HarrisCornersDetector class.

Parameters:

k - Harris parameter.

HarrisCornersDetector

public HarrisCornersDetector(float k,
                             float threshold)

Initializes a new instance of the HarrisCornersDetector class.

Parameters:

k - Harris parameter.

threshold - Harris threshold.

HarrisCornersDetector

public HarrisCornersDetector(float k,
                             float threshold,
                             double sigma)

Initializes a new instance of the HarrisCornersDetector class.

Parameters:

k - Harris parameter.

threshold - Harris threshold.

sigma - Gaussian smoothing.

HarrisCornersDetector

public HarrisCornersDetector(float k,
                             float threshold,
                             double sigma,
                             int suppression)

Initializes a new instance of the HarrisCornersDetector class.

Parameters:

k - Harris parameter.

threshold - Harris threshold.

sigma - Gaussian smoothing.

suppression - Non-maximum suppression window radius.

HarrisCornersDetector

public HarrisCornersDetector(HarrisCornersDetector.HarrisCornerMeasure measure,
                             float threshold,
                             double sigma,
                             int suppression)

Initializes a new instance of the HarrisCornersDetector class.

Parameters:

measure - Measure to use when detecting corners.

threshold - Harris threshold.

sigma - Gaussian smoothing.

suppression - Non-maximum suppression window radius.

HarrisCornersDetector

public HarrisCornersDetector(HarrisCornersDetector.HarrisCornerMeasure measure,
                             float threshold,
                             double sigma)

Initializes a new instance of the HarrisCornersDetector class.

Parameters:

measure - Measure to use when detecting corners.

threshold - Harris threshold.

sigma - Gaussian smoothing.

HarrisCornersDetector

public HarrisCornersDetector(HarrisCornersDetector.HarrisCornerMeasure measure,
                             float threshold)

Initializes a new instance of the HarrisCornersDetector class.

Parameters:

measure - Measure to use when detecting corners.

threshold - Harris threshold.

HarrisCornersDetector

public HarrisCornersDetector(HarrisCornersDetector.HarrisCornerMeasure measure)

Initializes a new instance of the HarrisCornersDetector class.

Parameters:

measure - Measure to use when detecting corners.

Method Detail

getMeasure

public HarrisCornersDetector.HarrisCornerMeasure getMeasure()

Gets the measure to use when detecting corners.

Returns:

Measure.

setMeasure

public void setMeasure(HarrisCornersDetector.HarrisCornerMeasure measure)

Sets the measure to use when detecting corners.

Parameters:

measure - Measure.

getSuppression

public int getSuppression()

Gets Non-maximum suppression window radius. Default value is 3.

Returns:

Non-maximum suppression window radius.

setSuppression

public void setSuppression(int suppression)

Sets Non-maximum suppression window radius. Default value is 3.

Parameters:

suppression - Non-maximum suppression window radius.

getK

public float getK()

Gets Harris parameter k. Default value is 0.04.

Returns:

Harris parameter.

setK

public void setK(float k)

Sets Harris parameter k. Default value is 0.04.

Parameters:

k - Harris parameter.

getThreshold

public float getThreshold()

Get Harris threshold. Default value is 20000.

Returns:

Harris threshold.

setThreshold

public void setThreshold(float threshold)

Set Harris threshold. Default value is 20000.

Parameters:

threshold - Harris threshold.

getSigma

public double getSigma()

Get Gaussian smoothing sigma. Default value is 1.2.

Returns:

Gaussian smoothing.

setSigma

public void setSigma(double sigma)

Set Gaussian smoothing sigma. Default value is 1.2.

Parameters:

sigma - Gaussian smoothing.

ProcessImage

public java.util.List<IntPoint> ProcessImage(FastBitmap fastBitmap)

Description copied from interface: ICornersDetector

Process image.

Specified by:

ProcessImage in interface ICornersDetector

Parameters:

fastBitmap - Image to be processed

Returns:

List of feature points.