Package org.opencv.features2d

Class KAZE

java.lang.Object

org.opencv.core.Algorithm

org.opencv.features2d.Feature2D

org.opencv.features2d.KAZE

public class KAZE
extends Feature2D

Class implementing the KAZE keypoint detector and descriptor extractor, described in CITE: ABD12 . Note: AKAZE descriptor can only be used with KAZE or AKAZE keypoints .. [ABD12] KAZE Features. Pablo F. Alcantarilla, Adrien Bartoli and Andrew J. Davison. In European Conference on Computer Vision (ECCV), Fiorenze, Italy, October 2012.

Field Summary

Fields

Modifier and Type	Field	Description
static final int	DIFF_CHARBONNIER
static final int	DIFF_PM_G1
static final int	DIFF_PM_G2
static final int	DIFF_WEICKERT

Method Summary

Modifier and Type	Method	Description
static KAZE	__fromPtr__(long addr)
static KAZE	create()	The KAZE constructor DIFF_CHARBONNIER
static KAZE	create(boolean extended)	The KAZE constructor
static KAZE	create(boolean extended, boolean upright)	The KAZE constructor
static KAZE	create(boolean extended, boolean upright, float threshold)	The KAZE constructor
static KAZE	create(boolean extended, boolean upright, float threshold, int nOctaves)	The KAZE constructor
static KAZE	create(boolean extended, boolean upright, float threshold, int nOctaves, int nOctaveLayers)	The KAZE constructor
static KAZE	create(boolean extended, boolean upright, float threshold, int nOctaves, int nOctaveLayers, int diffusivity)	The KAZE constructor
String	getDefaultName()	Returns the algorithm string identifier.
int	getDiffusivity()
boolean	getExtended()
int	getNOctaveLayers()
int	getNOctaves()
double	getThreshold()
boolean	getUpright()
void	setDiffusivity(int diff)
void	setExtended(boolean extended)
void	setNOctaveLayers(int octaveLayers)
void	setNOctaves(int octaves)
void	setThreshold(double threshold)
void	setUpright(boolean upright)

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

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

Field Details

DIFF_PM_G1

public static final int DIFF_PM_G1

See Also:

• Constant Field Values

DIFF_PM_G2

public static final int DIFF_PM_G2

See Also:

• Constant Field Values

DIFF_WEICKERT

public static final int DIFF_WEICKERT

See Also:

• Constant Field Values

DIFF_CHARBONNIER

public static final int DIFF_CHARBONNIER

See Also:

• Constant Field Values

Method Details

__fromPtr__

public static KAZE __fromPtr__(long addr)

create

public static KAZE create(boolean extended,
 boolean upright,
 float threshold,
 int nOctaves,
 int nOctaveLayers,
 int diffusivity)

The KAZE constructor

Parameters:

extended - Set to enable extraction of extended (128-byte) descriptor.

upright - Set to enable use of upright descriptors (non rotation-invariant).

threshold - Detector response threshold to accept point

nOctaves - Maximum octave evolution of the image

nOctaveLayers - Default number of sublevels per scale level

diffusivity - Diffusivity type. DIFF_PM_G1, DIFF_PM_G2, DIFF_WEICKERT or DIFF_CHARBONNIER

Returns:

automatically generated

create

public static KAZE create(boolean extended,
 boolean upright,
 float threshold,
 int nOctaves,
 int nOctaveLayers)

The KAZE constructor

Parameters:

extended - Set to enable extraction of extended (128-byte) descriptor.

upright - Set to enable use of upright descriptors (non rotation-invariant).

threshold - Detector response threshold to accept point

nOctaves - Maximum octave evolution of the image

nOctaveLayers - Default number of sublevels per scale level DIFF_CHARBONNIER

Returns:

automatically generated

create

public static KAZE create(boolean extended,
 boolean upright,
 float threshold,
 int nOctaves)

The KAZE constructor

Parameters:

extended - Set to enable extraction of extended (128-byte) descriptor.

upright - Set to enable use of upright descriptors (non rotation-invariant).

threshold - Detector response threshold to accept point

nOctaves - Maximum octave evolution of the image DIFF_CHARBONNIER

Returns:

automatically generated

create

public static KAZE create(boolean extended,
 boolean upright,
 float threshold)

The KAZE constructor

Parameters:

extended - Set to enable extraction of extended (128-byte) descriptor.

upright - Set to enable use of upright descriptors (non rotation-invariant).

threshold - Detector response threshold to accept point DIFF_CHARBONNIER

Returns:

automatically generated

create

public static KAZE create(boolean extended,
 boolean upright)

The KAZE constructor

Parameters:

extended - Set to enable extraction of extended (128-byte) descriptor.

upright - Set to enable use of upright descriptors (non rotation-invariant). DIFF_CHARBONNIER

Returns:

automatically generated

create

public static KAZE create(boolean extended)

The KAZE constructor

Parameters:

extended - Set to enable extraction of extended (128-byte) descriptor. DIFF_CHARBONNIER

Returns:

automatically generated

create

public static KAZE create()

The KAZE constructor DIFF_CHARBONNIER

Returns:

automatically generated

setExtended

public void setExtended(boolean extended)

getExtended

public boolean getExtended()

setUpright

public void setUpright(boolean upright)

getUpright

public boolean getUpright()

setThreshold

public void setThreshold(double threshold)

getThreshold

public double getThreshold()

setNOctaves

public void setNOctaves(int octaves)

getNOctaves

public int getNOctaves()

setNOctaveLayers

public void setNOctaveLayers(int octaveLayers)

getNOctaveLayers

public int getNOctaveLayers()

setDiffusivity

public void setDiffusivity(int diff)

getDiffusivity

public int getDiffusivity()

getDefaultName

public 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