Package boofcv.abst.feature.detect.interest

Class FastToInterestPoint<T extends ImageGray<T>>

java.lang.Object

boofcv.abst.feature.detect.interest.FastToInterestPoint<T>

All Implemented Interfaces:

FeatureSets, FoundPointSO, InterestPointDetector<T>

public class FastToInterestPoint<T extends ImageGray<T>>
extends Object
implements InterestPointDetector<T>

Provides a wrapper around a fast corner detector for InterestPointDetector no non-maximum suppression will be done

Field Summary

Fields

Modifier and Type	Field	Description
int	featureLimitPerSet	Maximum number of features it can select per set
protected FastArray<Point2D_I16>	selected
protected FeatureSelectLimit<Point2D_I16>	selectLimit

Constructor Summary

Constructors

Constructor	Description
FastToInterestPoint(FastCornerDetector<T> detector, FeatureSelectLimit<Point2D_I16> selectLimit)

Method Summary

Modifier and Type	Method	Description
void	detect(T input)	Detects interest points inside the provided image.
ImageType<T>	getInputType()	Get the expected input image type
Point2D_F64	getLocation(int featureIndex)	The center location of the feature inside the image.
int	getNumberOfFeatures()	Returns the number of interest points found.
int	getNumberOfSets()	The number of feature sets.
double	getOrientation(int featureIndex)	Returns the features found orientation.
double	getRadius(int featureIndex)	Returns the detected object's circular radius
int	getSet(int index)	Returns the set that a feature belongs in
boolean	hasOrientation()	If the interest point detector estimates the feature's orientation
boolean	hasScale()	Does the interest point detector have scale information.

Methods inherited from class java.lang.Object

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

Field Details

selectLimit

protected FeatureSelectLimit<Point2D_I16> selectLimit

selected

protected FastArray<Point2D_I16> selected

featureLimitPerSet

public int featureLimitPerSet

Maximum number of features it can select per set

Constructor Details

FastToInterestPoint

public FastToInterestPoint(FastCornerDetector<T> detector,
 FeatureSelectLimit<Point2D_I16> selectLimit)

Method Details

detect

public void detect(T input)

Description copied from interface: InterestPointDetector

Detects interest points inside the provided image.

Specified by:

detect in interface InterestPointDetector<T extends ImageGray<T>>

Parameters:

input - Input features are detected inside of.

getSet

public int getSet(int index)

Description copied from interface: FeatureSets

Returns the set that a feature belongs in

Specified by:

getSet in interface FeatureSets

Parameters:

index - Which feature

hasScale

public boolean hasScale()

Description copied from interface: InterestPointDetector

Does the interest point detector have scale information. This made available through the radius.

Specified by:

hasScale in interface InterestPointDetector<T extends ImageGray<T>>

Returns:

true if it has scale information and false otherwise

hasOrientation

public boolean hasOrientation()

Description copied from interface: InterestPointDetector

If the interest point detector estimates the feature's orientation

Specified by:

hasOrientation in interface InterestPointDetector<T extends ImageGray<T>>

Returns:

true if it estimates the orientation

getInputType

public ImageType<T> getInputType()

Description copied from interface: InterestPointDetector

Get the expected input image type

Specified by:

getInputType in interface InterestPointDetector<T extends ImageGray<T>>

getNumberOfSets

public int getNumberOfSets()

Description copied from interface: FeatureSets

The number of feature sets.

Specified by:

getNumberOfSets in interface FeatureSets

Returns:

number of feature sets

getNumberOfFeatures

public int getNumberOfFeatures()

Description copied from interface: FoundPointSO

Returns the number of interest points found.

Specified by:

getNumberOfFeatures in interface FoundPointSO

Returns:

Number of interest points.

getLocation

public Point2D_F64 getLocation(int featureIndex)

Description copied from interface: FoundPointSO

The center location of the feature inside the image.

WARNING: Do not save the returned reference, copy instead. The returned point can be recycled each time this function is called.

Specified by:

getLocation in interface FoundPointSO

Parameters:

featureIndex - The feature's index.

Returns:

Location of the feature in image pixels.

getRadius

public double getRadius(int featureIndex)

Description copied from interface: FoundPointSO

Returns the detected object's circular radius

Specified by:

getRadius in interface FoundPointSO

Parameters:

featureIndex - Feature whose radius is being requested.

Returns:

Object's radius

getOrientation

public double getOrientation(int featureIndex)

Description copied from interface: FoundPointSO

Returns the features found orientation.

Specified by:

getOrientation in interface FoundPointSO

Parameters:

featureIndex - Feature whose

Returns:

Orientation in radians.