org.bytedeco.javacpp

Class opencv_features2d.FREAK

java.lang.Object

org.bytedeco.javacpp.Pointer

org.bytedeco.javacpp.opencv_core.Algorithm

org.bytedeco.javacpp.opencv_features2d.DescriptorExtractor

org.bytedeco.javacpp.opencv_features2d.FREAK

Enclosing class:

opencv_features2d

public static class opencv_features2d.FREAK
extends opencv_features2d.DescriptorExtractor

FREAK implementation

Nested Class Summary

Nested classes/interfaces inherited from class org.bytedeco.javacpp.opencv_core.Algorithm

opencv_core.Algorithm.Constructor, opencv_core.Algorithm.Getter, opencv_core.Algorithm.Setter

Nested classes/interfaces inherited from class org.bytedeco.javacpp.Pointer

Pointer.CustomDeallocator, Pointer.Deallocator, Pointer.NativeDeallocator

Field Summary

Fields

Modifier and Type	Field and Description
static int	NB_ORIENPAIRS enum cv::FREAK::
static int	NB_PAIRS enum cv::FREAK::
static int	NB_SCALES enum cv::FREAK::

Fields inherited from class org.bytedeco.javacpp.Pointer

address, capacity, limit, position

Constructor Summary

Constructors

Constructor and Description
opencv_features2d.FREAK()
opencv_features2d.FREAK(boolean orientationNormalized, boolean scaleNormalized, float patternScale, int nOctaves, int[] selectedPairs)
opencv_features2d.FREAK(boolean orientationNormalized, boolean scaleNormalized, float patternScale, int nOctaves, IntBuffer selectedPairs)
opencv_features2d.FREAK(boolean orientationNormalized, boolean scaleNormalized, float patternScale, int nOctaves, IntPointer selectedPairs) Constructor
opencv_features2d.FREAK(int size)
opencv_features2d.FREAK(Pointer p)

Method Summary

Methods

Modifier and Type	Method and Description
int	descriptorSize() returns the descriptor length in bytes
int	descriptorType() returns the descriptor type
opencv_core.AlgorithmInfo	info()
opencv_features2d.FREAK	position(int position)
IntPointer	selectPairs(opencv_core.MatVector images, opencv_features2d.KeyPointVectorVector keypoints)
IntPointer	selectPairs(opencv_core.MatVector images, opencv_features2d.KeyPointVectorVector keypoints, double corrThresh, boolean verbose) select the 512 "best description pairs"

Methods inherited from class org.bytedeco.javacpp.opencv_features2d.DescriptorExtractor

compute, compute, create, create, empty

Methods inherited from class org.bytedeco.javacpp.opencv_core.Algorithm

_create, _create, getAlgorithm, getAlgorithm, getBool, getBool, getDouble, getDouble, getInt, getInt, getList, getMat, getMat, getMatVector, getMatVector, getParams, getString, getString, name, paramHelp, paramHelp, paramType, paramType, read, set, set, set, set, set, set, set, set, set, set, set, set, set, set, setAlgorithm, setAlgorithm, setBool, setBool, setDouble, setDouble, setInt, setInt, setMat, setMat, setMatVector, setMatVector, setString, setString, write

Methods inherited from class org.bytedeco.javacpp.Pointer

address, asBuffer, asByteBuffer, capacity, capacity, deallocate, deallocate, deallocateReferences, deallocator, deallocator, equals, fill, hashCode, isNull, limit, limit, memchr, memcmp, memcpy, memmove, memset, offsetof, position, put, setNull, sizeof, toString, withDeallocator, zero

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

NB_SCALES

public static final int NB_SCALES

enum cv::FREAK::

See Also:

Constant Field Values

NB_PAIRS

public static final int NB_PAIRS

enum cv::FREAK::

See Also:

Constant Field Values

NB_ORIENPAIRS

public static final int NB_ORIENPAIRS

enum cv::FREAK::

See Also:

Constant Field Values

Constructor Detail

opencv_features2d.FREAK

public opencv_features2d.FREAK(Pointer p)

opencv_features2d.FREAK

public opencv_features2d.FREAK(int size)

opencv_features2d.FREAK

public opencv_features2d.FREAK(boolean orientationNormalized,
                       boolean scaleNormalized,
                       float patternScale,
                       int nOctaves,
                       IntPointer selectedPairs)

Constructor

Parameters:

orientationNormalized - enable orientation normalization

scaleNormalized - enable scale normalization

patternScale - scaling of the description pattern

nbOctave - number of octaves covered by the detected keypoints

selectedPairs - (optional) user defined selected pairs

opencv_features2d.FREAK

public opencv_features2d.FREAK()

opencv_features2d.FREAK

public opencv_features2d.FREAK(boolean orientationNormalized,
                       boolean scaleNormalized,
                       float patternScale,
                       int nOctaves,
                       IntBuffer selectedPairs)

opencv_features2d.FREAK

public opencv_features2d.FREAK(boolean orientationNormalized,
                       boolean scaleNormalized,
                       float patternScale,
                       int nOctaves,
                       int[] selectedPairs)

Method Detail

position

public opencv_features2d.FREAK position(int position)

Overrides:

position in class opencv_core.Algorithm

descriptorSize

public int descriptorSize()

returns the descriptor length in bytes

Overrides:

descriptorSize in class opencv_features2d.DescriptorExtractor

descriptorType

public int descriptorType()

returns the descriptor type

Overrides:

descriptorType in class opencv_features2d.DescriptorExtractor

selectPairs

public IntPointer selectPairs(opencv_core.MatVector images,
                     opencv_features2d.KeyPointVectorVector keypoints,
                     double corrThresh,
                     boolean verbose)

select the 512 "best description pairs"

Parameters:

images - grayscale images set

keypoints - set of detected keypoints

corrThresh - correlation threshold

verbose - print construction information

Returns:

list of best pair indexes

selectPairs

public IntPointer selectPairs(opencv_core.MatVector images,
                     opencv_features2d.KeyPointVectorVector keypoints)

info

public opencv_core.AlgorithmInfo info()

Overrides:

info in class opencv_core.Algorithm