Package org.opencv.xfeatures2d

Class BRISK

java.lang.Object

org.opencv.core.Algorithm

org.opencv.features2d.Feature2D

org.opencv.xfeatures2d.BRISK

public class BRISK
extends Feature2D

Class implementing the BRISK keypoint detector and descriptor extractor, described in CITE: LCS11 .

Field Summary

Fields inherited from class org.opencv.core.Algorithm

nativeObj

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	BRISK(long addr)

Method Summary

Modifier and Type	Method	Description
static BRISK	__fromPtr__(long addr)
static BRISK	create()	The BRISK constructor keypoint.
static BRISK	create(int thresh)	The BRISK constructor
static BRISK	create(int thresh, int octaves)	The BRISK constructor
static BRISK	create(int thresh, int octaves, float patternScale)	The BRISK constructor
static BRISK	create(int thresh, int octaves, MatOfFloat radiusList, MatOfInt numberList)	The BRISK constructor for a custom pattern, detection threshold and octaves
static BRISK	create(int thresh, int octaves, MatOfFloat radiusList, MatOfInt numberList, float dMax)	The BRISK constructor for a custom pattern, detection threshold and octaves
static BRISK	create(int thresh, int octaves, MatOfFloat radiusList, MatOfInt numberList, float dMax, float dMin)	The BRISK constructor for a custom pattern, detection threshold and octaves
static BRISK	create(int thresh, int octaves, MatOfFloat radiusList, MatOfInt numberList, float dMax, float dMin, MatOfInt indexChange)	The BRISK constructor for a custom pattern, detection threshold and octaves
static BRISK	create(MatOfFloat radiusList, MatOfInt numberList)	The BRISK constructor for a custom pattern
static BRISK	create(MatOfFloat radiusList, MatOfInt numberList, float dMax)	The BRISK constructor for a custom pattern
static BRISK	create(MatOfFloat radiusList, MatOfInt numberList, float dMax, float dMin)	The BRISK constructor for a custom pattern
static BRISK	create(MatOfFloat radiusList, MatOfInt numberList, float dMax, float dMin, MatOfInt indexChange)	The BRISK constructor for a custom pattern
protected void	finalize()
java.lang.String	getDefaultName()	Returns the algorithm string identifier.
int	getOctaves()
float	getPatternScale()
int	getThreshold()
void	setOctaves(int octaves)	Set detection octaves.
void	setPatternScale(float patternScale)	Set detection patternScale.
void	setThreshold(int threshold)	Set detection threshold.

Methods inherited from class org.opencv.features2d.Feature2D

compute, compute, defaultNorm, descriptorSize, descriptorType, detect, detect, detect, detect, detectAndCompute, detectAndCompute, empty, read, write

Methods inherited from class org.opencv.core.Algorithm

clear, getNativeObjAddr, save

Methods inherited from class java.lang.Object

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

Constructor Detail

BRISK

protected BRISK(long addr)

Method Detail

__fromPtr__

public static BRISK __fromPtr__(long addr)

create

public static BRISK create(int thresh,
                           int octaves,
                           float patternScale)

The BRISK constructor

Parameters:

thresh - AGAST detection threshold score.

octaves - detection octaves. Use 0 to do single scale.

patternScale - apply this scale to the pattern used for sampling the neighbourhood of a keypoint.

Returns:

automatically generated

create

public static BRISK create(int thresh,
                           int octaves)

The BRISK constructor

Parameters:

thresh - AGAST detection threshold score.

octaves - detection octaves. Use 0 to do single scale. keypoint.

Returns:

automatically generated

create

public static BRISK create(int thresh)

The BRISK constructor

Parameters:

thresh - AGAST detection threshold score. keypoint.

Returns:

automatically generated

create

public static BRISK create()

The BRISK constructor keypoint.

Returns:

automatically generated

create

public static BRISK create(MatOfFloat radiusList,
                           MatOfInt numberList,
                           float dMax,
                           float dMin,
                           MatOfInt indexChange)

The BRISK constructor for a custom pattern

Parameters:

radiusList - defines the radii (in pixels) where the samples around a keypoint are taken (for keypoint scale 1).

numberList - defines the number of sampling points on the sampling circle. Must be the same size as radiusList..

dMax - threshold for the short pairings used for descriptor formation (in pixels for keypoint scale 1).

dMin - threshold for the long pairings used for orientation determination (in pixels for keypoint scale 1).

indexChange - index remapping of the bits.

Returns:

automatically generated

create

public static BRISK create(MatOfFloat radiusList,
                           MatOfInt numberList,
                           float dMax,
                           float dMin)

The BRISK constructor for a custom pattern

Parameters:

radiusList - defines the radii (in pixels) where the samples around a keypoint are taken (for keypoint scale 1).

numberList - defines the number of sampling points on the sampling circle. Must be the same size as radiusList..

dMax - threshold for the short pairings used for descriptor formation (in pixels for keypoint scale 1).

dMin - threshold for the long pairings used for orientation determination (in pixels for keypoint scale 1).

Returns:

automatically generated

create

public static BRISK create(MatOfFloat radiusList,
                           MatOfInt numberList,
                           float dMax)

The BRISK constructor for a custom pattern

Parameters:

radiusList - defines the radii (in pixels) where the samples around a keypoint are taken (for keypoint scale 1).

numberList - defines the number of sampling points on the sampling circle. Must be the same size as radiusList..

dMax - threshold for the short pairings used for descriptor formation (in pixels for keypoint scale 1). keypoint scale 1).

Returns:

automatically generated

create

public static BRISK create(MatOfFloat radiusList,
                           MatOfInt numberList)

The BRISK constructor for a custom pattern

Parameters:

radiusList - defines the radii (in pixels) where the samples around a keypoint are taken (for keypoint scale 1).

numberList - defines the number of sampling points on the sampling circle. Must be the same size as radiusList.. scale 1). keypoint scale 1).

Returns:

automatically generated

create

public static BRISK create(int thresh,
                           int octaves,
                           MatOfFloat radiusList,
                           MatOfInt numberList,
                           float dMax,
                           float dMin,
                           MatOfInt indexChange)

The BRISK constructor for a custom pattern, detection threshold and octaves

Parameters:

thresh - AGAST detection threshold score.

octaves - detection octaves. Use 0 to do single scale.

radiusList - defines the radii (in pixels) where the samples around a keypoint are taken (for keypoint scale 1).

numberList - defines the number of sampling points on the sampling circle. Must be the same size as radiusList..

dMax - threshold for the short pairings used for descriptor formation (in pixels for keypoint scale 1).

dMin - threshold for the long pairings used for orientation determination (in pixels for keypoint scale 1).

indexChange - index remapping of the bits.

Returns:

automatically generated

create

public static BRISK create(int thresh,
                           int octaves,
                           MatOfFloat radiusList,
                           MatOfInt numberList,
                           float dMax,
                           float dMin)

The BRISK constructor for a custom pattern, detection threshold and octaves

Parameters:

thresh - AGAST detection threshold score.

octaves - detection octaves. Use 0 to do single scale.

radiusList - defines the radii (in pixels) where the samples around a keypoint are taken (for keypoint scale 1).

numberList - defines the number of sampling points on the sampling circle. Must be the same size as radiusList..

dMax - threshold for the short pairings used for descriptor formation (in pixels for keypoint scale 1).

dMin - threshold for the long pairings used for orientation determination (in pixels for keypoint scale 1).

Returns:

automatically generated

create

public static BRISK create(int thresh,
                           int octaves,
                           MatOfFloat radiusList,
                           MatOfInt numberList,
                           float dMax)

The BRISK constructor for a custom pattern, detection threshold and octaves

Parameters:

thresh - AGAST detection threshold score.

octaves - detection octaves. Use 0 to do single scale.

radiusList - defines the radii (in pixels) where the samples around a keypoint are taken (for keypoint scale 1).

numberList - defines the number of sampling points on the sampling circle. Must be the same size as radiusList..

dMax - threshold for the short pairings used for descriptor formation (in pixels for keypoint scale 1). keypoint scale 1).

Returns:

automatically generated

create

public static BRISK create(int thresh,
                           int octaves,
                           MatOfFloat radiusList,
                           MatOfInt numberList)

The BRISK constructor for a custom pattern, detection threshold and octaves

Parameters:

thresh - AGAST detection threshold score.

octaves - detection octaves. Use 0 to do single scale.

radiusList - defines the radii (in pixels) where the samples around a keypoint are taken (for keypoint scale 1).

numberList - defines the number of sampling points on the sampling circle. Must be the same size as radiusList.. scale 1). keypoint scale 1).

Returns:

automatically generated

getDefaultName

public java.lang.String getDefaultName()

Description copied from class: Algorithm

Returns the algorithm string identifier. This string is used as top level xml/yml node tag when the object is saved to a file or string.

Overrides:

getDefaultName in class Feature2D

Returns:

automatically generated

setThreshold

public void setThreshold(int threshold)

Set detection threshold.

Parameters:

threshold - AGAST detection threshold score.

getThreshold

public int getThreshold()

setOctaves

public void setOctaves(int octaves)

Set detection octaves.

Parameters:

octaves - detection octaves. Use 0 to do single scale.

getOctaves

public int getOctaves()

setPatternScale

public void setPatternScale(float patternScale)

Set detection patternScale.

Parameters:

patternScale - apply this scale to the pattern used for sampling the neighbourhood of a keypoint.

getPatternScale

public float getPatternScale()

finalize

protected void finalize()
                 throws java.lang.Throwable

Overrides:

finalize in class Feature2D

Throws:

java.lang.Throwable