org.bytedeco.opencv.opencv_xfeatures2d

Class PCTSignaturesSQFD

java.lang.Object

org.bytedeco.javacpp.Pointer

org.bytedeco.opencv.opencv_core.Algorithm

org.bytedeco.opencv.opencv_xfeatures2d.PCTSignaturesSQFD

All Implemented Interfaces:

AutoCloseable

@Namespace(value="cv::xfeatures2d")
 @Properties(inherit=opencv_xfeatures2d.class)
public class PCTSignaturesSQFD
extends Algorithm

\brief Class implementing Signature Quadratic Form Distance (SQFD).

See Also:

Beecks, Merih Seran Uysal, Thomas Seidl. Signature quadratic form distance. In Proceedings of the ACM International Conference on Image and Video Retrieval, pages 438-445. ACM, 2010. \cite BeecksUS10

Nested Class Summary

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

Pointer.CustomDeallocator, Pointer.Deallocator, Pointer.NativeDeallocator, Pointer.ReferenceCounter

Field Summary

Fields inherited from class org.bytedeco.javacpp.Pointer

address, capacity, limit, position

Constructor Summary

Constructors

Constructor and Description
PCTSignaturesSQFD(Pointer p) Pointer cast constructor.

Method Summary

Modifier and Type	Method and Description
float	computeQuadraticFormDistance(GpuMat _signature0, GpuMat _signature1)
float	computeQuadraticFormDistance(Mat _signature0, Mat _signature1) \brief Computes Signature Quadratic Form Distance of two signatures.
float	computeQuadraticFormDistance(UMat _signature0, UMat _signature1)
void	computeQuadraticFormDistances(Mat sourceSignature, MatVector imageSignatures, float[] distances)
void	computeQuadraticFormDistances(Mat sourceSignature, MatVector imageSignatures, FloatBuffer distances)
void	computeQuadraticFormDistances(Mat sourceSignature, MatVector imageSignatures, FloatPointer distances) \brief Computes Signature Quadratic Form Distance between the reference signature and each of the other image signatures.
static PCTSignaturesSQFD	create()
static PCTSignaturesSQFD	create(int distanceFunction, int similarityFunction, float similarityParameter) \brief Creates the algorithm instance using selected distance function, similarity function and similarity function parameter.

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

clear, empty, getDefaultName, position, read, save, save, write, write, write

Methods inherited from class org.bytedeco.javacpp.Pointer

address, asBuffer, asByteBuffer, availablePhysicalBytes, calloc, capacity, capacity, close, deallocate, deallocate, deallocateReferences, deallocator, deallocator, equals, fill, formatBytes, free, hashCode, isNull, isNull, limit, limit, malloc, maxBytes, maxPhysicalBytes, memchr, memcmp, memcpy, memmove, memset, offsetof, parseBytes, physicalBytes, position, put, realloc, referenceCount, releaseReference, retainReference, setNull, sizeof, toString, totalBytes, totalPhysicalBytes, withDeallocator, zero

Methods inherited from class java.lang.Object

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

Constructor Detail

PCTSignaturesSQFD

public PCTSignaturesSQFD(Pointer p)

Pointer cast constructor. Invokes Pointer.Pointer(Pointer).

Method Detail

create

@opencv_core.Ptr
public static PCTSignaturesSQFD create(int distanceFunction,
                                                        int similarityFunction,
                                                        float similarityParameter)

\brief Creates the algorithm instance using selected distance function, similarity function and similarity function parameter.

Parameters:

distanceFunction - Distance function selector. Default: L2 Available: L0_25, L0_5, L1, L2, L2SQUARED, L5, L_INFINITY

similarityFunction - Similarity function selector. Default: HEURISTIC Available: MINUS, GAUSSIAN, HEURISTIC

similarityParameter - Parameter of the similarity function.

create

@opencv_core.Ptr
public static PCTSignaturesSQFD create()

computeQuadraticFormDistance

public float computeQuadraticFormDistance(@ByVal
                                          Mat _signature0,
                                          @ByVal
                                          Mat _signature1)

\brief Computes Signature Quadratic Form Distance of two signatures.

Parameters:

_signature0 - The first signature.

_signature1 - The second signature.

computeQuadraticFormDistance

public float computeQuadraticFormDistance(@ByVal
                                          UMat _signature0,
                                          @ByVal
                                          UMat _signature1)

computeQuadraticFormDistance

public float computeQuadraticFormDistance(@ByVal
                                          GpuMat _signature0,
                                          @ByVal
                                          GpuMat _signature1)

computeQuadraticFormDistances

public void computeQuadraticFormDistances(@Const @ByRef
                                          Mat sourceSignature,
                                          @Const @ByRef
                                          MatVector imageSignatures,
                                          @StdVector
                                          FloatPointer distances)

\brief Computes Signature Quadratic Form Distance between the reference signature and each of the other image signatures.

Parameters:

sourceSignature - The signature to measure distance of other signatures from.

imageSignatures - Vector of signatures to measure distance from the source signature.

distances - Output vector of measured distances.

computeQuadraticFormDistances

public void computeQuadraticFormDistances(@Const @ByRef
                                          Mat sourceSignature,
                                          @Const @ByRef
                                          MatVector imageSignatures,
                                          @StdVector
                                          FloatBuffer distances)

computeQuadraticFormDistances

public void computeQuadraticFormDistances(@Const @ByRef
                                          Mat sourceSignature,
                                          @Const @ByRef
                                          MatVector imageSignatures,
                                          @StdVector
                                          float[] distances)