Catalano.Imaging.Corners

Class FastCornersDetector

java.lang.Object

Catalano.Imaging.Corners.FastCornersDetector

All Implemented Interfaces:

ICornersFeatureDetector

public class FastCornersDetector
extends java.lang.Object
implements ICornersFeatureDetector

Features from Accelerated Segment Test (FAST) corners detector.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	FastCornersDetector.Algorithm

Constructor Summary

Constructors

Constructor and Description
FastCornersDetector() Initializes a new instance of the FastCornersDetector class.
FastCornersDetector(FastCornersDetector.Algorithm algorithm) Initializes a new instance of the FastCornersDetector class.
FastCornersDetector(int threshold) Initializes a new instance of the FastCornersDetector class.
FastCornersDetector(int threshold, boolean suppress) Initializes a new instance of the FastCornersDetector class.
FastCornersDetector(int threshold, boolean suppress, FastCornersDetector.Algorithm algorithm) Initializes a new instance of the FastCornersDetector class.

Method Summary

Modifier and Type	Method and Description
FastCornersDetector.Algorithm	getAlgorithm() Get Fast algorithm.
int	getThreshold() Get Threshold.
boolean	isSuppressed() Check if needs apply a non-maximum suppression algorithm on the results, to allow only maximal corners.
java.util.List<FeaturePoint>	ProcessImage(FastBitmap fastBitmap) Process image.
void	setAlgorithm(FastCornersDetector.Algorithm algorithm) Set Fast algorithm.
void	setSuppression(boolean suppress) Set suppression if needs apply a non-maximum suppression algorithm on the results, to allow only maximal corners.
void	setThreshold(int threshold) Set Threshold.

Methods inherited from class java.lang.Object

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

Constructor Detail

FastCornersDetector

public FastCornersDetector()

Initializes a new instance of the FastCornersDetector class.

FastCornersDetector

public FastCornersDetector(int threshold)

Initializes a new instance of the FastCornersDetector class.

Parameters:

threshold - Threshold.

FastCornersDetector

public FastCornersDetector(FastCornersDetector.Algorithm algorithm)

Initializes a new instance of the FastCornersDetector class.

Parameters:

algorithm - Algorithm.

FastCornersDetector

public FastCornersDetector(int threshold,
                           boolean suppress)

Initializes a new instance of the FastCornersDetector class.

Parameters:

threshold - Threshold.

suppress - Supress.

FastCornersDetector

public FastCornersDetector(int threshold,
                           boolean suppress,
                           FastCornersDetector.Algorithm algorithm)

Initializes a new instance of the FastCornersDetector class.

Parameters:

threshold - Threshold.

suppress - Supress.

algorithm - Algorithm.

Method Detail

getThreshold

public int getThreshold()

Get Threshold. A number denoting how much brighter or darker the pixels surrounding the pixel in question should be in order to be considered a corner.

Returns:

Threshold.

setThreshold

public void setThreshold(int threshold)

Set Threshold. A number denoting how much brighter or darker the pixels surrounding the pixel in question should be in order to be considered a corner.

Parameters:

threshold - Threshold.

isSuppressed

public boolean isSuppressed()

Check if needs apply a non-maximum suppression algorithm on the results, to allow only maximal corners.

Returns:

If true, allow only maximal corners, otherwise false.

setSuppression

public void setSuppression(boolean suppress)

Set suppression if needs apply a non-maximum suppression algorithm on the results, to allow only maximal corners.

Parameters:

suppress - If true, allow only maximal corners, otherwise false.

getAlgorithm

public FastCornersDetector.Algorithm getAlgorithm()

Get Fast algorithm.

Returns:

Fast algorithm.

setAlgorithm

public void setAlgorithm(FastCornersDetector.Algorithm algorithm)

Set Fast algorithm.

Parameters:

algorithm - Fast algorithm.

ProcessImage

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

Description copied from interface: ICornersFeatureDetector

Process image.

Specified by:

ProcessImage in interface ICornersFeatureDetector

Parameters:

fastBitmap - Image to be processed

Returns:

List of feature points.