MRPT
2.0.4
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Declares a class that represents a Probability Density function (PDF) of a 2D pose .
This class implements that PDF using a mono-modal Gaussian distribution. See mrpt::poses::CPosePDF for more details.
Definition at line 28 of file CPosePDFGaussian.h.
#include <mrpt/poses/CPosePDFGaussian.h>
Public Types | |
enum | { is_3D_val = 0 } |
enum | { is_PDF_val = 1 } |
using | type_value = CPose2D |
The type of the state the PDF represents. More... | |
using | self_t = CProbabilityDensityFunction< CPose2D, STATE_LEN > |
using | cov_mat_t = mrpt::math::CMatrixFixed< double, STATE_LEN, STATE_LEN > |
Covariance matrix type. More... | |
using | inf_mat_t = cov_mat_t |
Information matrix type. More... | |
Public Member Functions | |
const CPose2D & | getPoseMean () const |
CPose2D & | getPoseMean () |
CPosePDFGaussian () | |
Default constructor. More... | |
CPosePDFGaussian (const CPose2D &init_Mean) | |
Constructor. More... | |
CPosePDFGaussian (const CPose2D &init_Mean, const mrpt::math::CMatrixDouble33 &init_Cov) | |
Constructor. More... | |
CPosePDFGaussian (const CPosePDF &o) | |
Copy constructor, including transformations between other PDFs. More... | |
CPosePDFGaussian (const CPose3DPDF &o) | |
Copy constructor, including transformations between other PDFs. More... | |
void | getMean (CPose2D &mean_pose) const override |
std::tuple< cov_mat_t, type_value > | getCovarianceAndMean () const override |
Returns an estimate of the pose covariance matrix (STATE_LENxSTATE_LEN cov matrix) and the mean, both at once. More... | |
void | copyFrom (const CPosePDF &o) override |
Copy operator, translating if necesary (for example, between particles and gaussian representations) More... | |
void | copyFrom (const CPose3DPDF &o) |
Copy operator, translating if necesary (for example, between particles and gaussian representations) More... | |
bool | saveToTextFile (const std::string &file) const override |
Save PDF's particles to a text file, containing the 2D pose in the first line, then the covariance matrix in next 3 lines. More... | |
void | changeCoordinatesReference (const CPose3D &newReferenceBase) override |
this = p (+) this. More... | |
void | changeCoordinatesReference (const CPose2D &newReferenceBase) |
this = p (+) this. More... | |
void | rotateCov (const double ang) |
Rotate the covariance matrix by replacing it by , where . More... | |
void | inverseComposition (const CPosePDFGaussian &x, const CPosePDFGaussian &ref) |
Set , computing the mean using the "-" operator and the covariances through the corresponding Jacobians (For 'x0' and 'x1' being independent variables!). More... | |
void | inverseComposition (const CPosePDFGaussian &x1, const CPosePDFGaussian &x0, const mrpt::math::CMatrixDouble33 &COV_01) |
Set , computing the mean using the "-" operator and the covariances through the corresponding Jacobians (Given the 3x3 cross-covariance matrix of variables x0 and x1). More... | |
void | drawSingleSample (CPose2D &outPart) const override |
Draws a single sample from the distribution. More... | |
void | drawManySamples (size_t N, std::vector< mrpt::math::CVectorDouble > &outSamples) const override |
Draws a number of samples from the distribution, and saves as a list of 1x3 vectors, where each row contains a (x,y,phi) datum. More... | |
void | bayesianFusion (const CPosePDF &p1, const CPosePDF &p2, const double minMahalanobisDistToDrop=0) override |
Bayesian fusion of two points gauss. More... | |
void | inverse (CPosePDF &o) const override |
Returns a new PDF such as: NEW_PDF = (0,0,0) - THIS_PDF. More... | |
void | operator+= (const CPose2D &Ap) |
Makes: thisPDF = thisPDF + Ap, where "+" is pose composition (both the mean, and the covariance matrix are updated). More... | |
double | evaluatePDF (const CPose2D &x) const |
Evaluates the PDF at a given point. More... | |
double | evaluateNormalizedPDF (const CPose2D &x) const |
Evaluates the ratio PDF(x) / PDF(MEAN), that is, the normalized PDF in the range [0,1]. More... | |
double | mahalanobisDistanceTo (const CPosePDFGaussian &theOther) |
Computes the Mahalanobis distance between the centers of two Gaussians. More... | |
void | assureMinCovariance (double minStdXY, double minStdPhi) |
Substitutes the diagonal elements if (square) they are below some given minimum values (Use this before bayesianFusion, for example, to avoid inversion of singular matrixes, etc...) More... | |
void | operator+= (const CPosePDFGaussian &Ap) |
Makes: thisPDF = thisPDF + Ap, where "+" is pose composition (both the mean, and the covariance matrix are updated) (see formulas in jacobiansPoseComposition ). More... | |
void | operator-= (const CPosePDFGaussian &ref) |
Makes: thisPDF = thisPDF - Ap, where "-" is pose inverse composition (both the mean, and the covariance matrix are updated) More... | |
void | composePoint (const mrpt::math::TPoint2D &l, CPoint2DPDFGaussian &g) const |
Returns the PDF of the 2D point with "q"=this pose and "l" a point without uncertainty. More... | |
template<class OPENGL_SETOFOBJECTSPTR > | |
void | getAs3DObject (OPENGL_SETOFOBJECTSPTR &out_obj) const |
Returns a 3D representation of this PDF (it doesn't clear the current contents of out_obj, but append new OpenGL objects to that list) More... | |
template<class OPENGL_SETOFOBJECTSPTR > | |
OPENGL_SETOFOBJECTSPTR | getAs3DObject () const |
Returns a 3D representation of this PDF. More... | |
virtual mxArray * | writeToMatlab () const |
Introduces a pure virtual method responsible for writing to a mxArray Matlab object, typically a MATLAB struct whose contents are documented in each derived class. More... | |
virtual void | getMean (type_value &mean_point) const=0 |
Returns the mean, or mathematical expectation of the probability density distribution (PDF). More... | |
virtual void | getCovarianceAndMean (cov_mat_t &c, CPose2D &mean) const final |
void | getCovarianceDynAndMean (mrpt::math::CMatrixDouble &cov, type_value &mean_point) const |
Returns an estimate of the pose covariance matrix (STATE_LENxSTATE_LEN cov matrix) and the mean, both at once. More... | |
type_value | getMeanVal () const |
Returns the mean, or mathematical expectation of the probability density distribution (PDF). More... | |
void | getCovariance (mrpt::math::CMatrixDouble &cov) const |
Returns the estimate of the covariance matrix (STATE_LEN x STATE_LEN covariance matrix) More... | |
void | getCovariance (cov_mat_t &cov) const |
Returns the estimate of the covariance matrix (STATE_LEN x STATE_LEN covariance matrix) More... | |
cov_mat_t | getCovariance () const |
Returns the estimate of the covariance matrix (STATE_LEN x STATE_LEN covariance matrix) More... | |
virtual bool | isInfType () const |
Returns whether the class instance holds the uncertainty in covariance or information form. More... | |
virtual void | getInformationMatrix (inf_mat_t &inf) const |
Returns the information (inverse covariance) matrix (a STATE_LEN x STATE_LEN matrix) Unless reimplemented in derived classes, this method first reads the covariance, then invert it. More... | |
virtual void | drawSingleSample (CPose2D &outPart) const=0 |
Draws a single sample from the distribution. More... | |
double | getCovarianceEntropy () const |
Compute the entropy of the estimated covariance matrix. More... | |
RTTI classes and functions for polymorphic hierarchies | |
mrpt::rtti::CObject::Ptr | duplicateGetSmartPtr () const |
Makes a deep copy of the object and returns a smart pointer to it. More... | |
Static Public Member Functions | |
static void | jacobiansPoseComposition (const CPose2D &x, const CPose2D &u, mrpt::math::CMatrixDouble33 &df_dx, mrpt::math::CMatrixDouble33 &df_du, const bool compute_df_dx=true, const bool compute_df_du=true) |
This static method computes the pose composition Jacobians, with these formulas: More... | |
static void | jacobiansPoseComposition (const CPosePDFGaussian &x, const CPosePDFGaussian &u, mrpt::math::CMatrixDouble33 &df_dx, mrpt::math::CMatrixDouble33 &df_du) |
static constexpr bool | is_3D () |
static constexpr bool | is_PDF () |
Public Attributes | |
Data fields | |
CPose2D | mean |
The mean value. More... | |
mrpt::math::CMatrixDouble33 | cov |
The 3x3 covariance matrix. More... | |
Static Public Attributes | |
static constexpr size_t | state_length |
The length of the variable, for example, 3 for a 3D point, 6 for a 3D pose (x y z yaw pitch roll). More... | |
Protected Member Functions | |
void | enforceCovSymmetry () |
Assures the symmetry of the covariance matrix (eventually certain operations in the math-coprocessor lead to non-symmetric matrixes!) More... | |
CSerializable virtual methods | |
uint8_t | serializeGetVersion () const override |
Must return the current versioning number of the object. More... | |
void | serializeTo (mrpt::serialization::CArchive &out) const override |
Pure virtual method for writing (serializing) to an abstract archive. More... | |
void | serializeFrom (mrpt::serialization::CArchive &in, uint8_t serial_version) override |
Pure virtual method for reading (deserializing) from an abstract archive. More... | |
CSerializable virtual methods | |
virtual void | serializeTo (CSchemeArchiveBase &out) const |
Virtual method for writing (serializing) to an abstract schema based archive. More... | |
virtual void | serializeFrom (CSchemeArchiveBase &in) |
Virtual method for reading (deserializing) from an abstract schema based archive. More... | |
RTTI stuff | |
using | Ptr = std::shared_ptr< mrpt::poses ::CPosePDFGaussian > |
using | ConstPtr = std::shared_ptr< const mrpt::poses ::CPosePDFGaussian > |
using | UniquePtr = std::unique_ptr< mrpt::poses ::CPosePDFGaussian > |
using | ConstUniquePtr = std::unique_ptr< const mrpt::poses ::CPosePDFGaussian > |
static const mrpt::rtti::TRuntimeClassId | runtimeClassId |
static constexpr const char * | className = "mrpt::poses" "::" "CPosePDFGaussian" |
static const mrpt::rtti::TRuntimeClassId * | _GetBaseClass () |
static constexpr auto | getClassName () |
static const mrpt::rtti::TRuntimeClassId & | GetRuntimeClassIdStatic () |
static std::shared_ptr< CObject > | CreateObject () |
template<typename... Args> | |
static Ptr | Create (Args &&... args) |
template<typename Alloc , typename... Args> | |
static Ptr | CreateAlloc (const Alloc &alloc, Args &&... args) |
template<typename... Args> | |
static UniquePtr | CreateUnique (Args &&... args) |
virtual const mrpt::rtti::TRuntimeClassId * | GetRuntimeClass () const override |
Returns information about the class of an object in runtime. More... | |
virtual mrpt::rtti::CObject * | clone () const override |
Returns a deep copy (clone) of the object, indepently of its class. More... | |
using mrpt::poses::CPosePDFGaussian::ConstPtr = std::shared_ptr<const mrpt::poses :: CPosePDFGaussian > |
Definition at line 30 of file CPosePDFGaussian.h.
using mrpt::poses::CPosePDFGaussian::ConstUniquePtr = std::unique_ptr<const mrpt::poses :: CPosePDFGaussian > |
Definition at line 30 of file CPosePDFGaussian.h.
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inherited |
Covariance matrix type.
Definition at line 37 of file CProbabilityDensityFunction.h.
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inherited |
Information matrix type.
Definition at line 39 of file CProbabilityDensityFunction.h.
using mrpt::poses::CPosePDFGaussian::Ptr = std::shared_ptr< mrpt::poses :: CPosePDFGaussian > |
A type for the associated smart pointer
Definition at line 30 of file CPosePDFGaussian.h.
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inherited |
Definition at line 35 of file CProbabilityDensityFunction.h.
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inherited |
The type of the state the PDF represents.
Definition at line 34 of file CProbabilityDensityFunction.h.
using mrpt::poses::CPosePDFGaussian::UniquePtr = std::unique_ptr< mrpt::poses :: CPosePDFGaussian > |
Definition at line 30 of file CPosePDFGaussian.h.
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inherited |
Enumerator | |
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is_3D_val |
Definition at line 94 of file CPosePDF.h.
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Enumerator | |
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is_PDF_val |
Definition at line 99 of file CPosePDF.h.
CPosePDFGaussian::CPosePDFGaussian | ( | ) |
Default constructor.
Definition at line 38 of file CPosePDFGaussian.cpp.
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explicit |
Constructor.
Definition at line 51 of file CPosePDFGaussian.cpp.
References cov, and mrpt::math::MatrixVectorBase< Scalar, Derived >::setZero().
CPosePDFGaussian::CPosePDFGaussian | ( | const CPose2D & | init_Mean, |
const mrpt::math::CMatrixDouble33 & | init_Cov | ||
) |
Constructor.
Definition at line 42 of file CPosePDFGaussian.cpp.
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inlineexplicit |
Copy constructor, including transformations between other PDFs.
Definition at line 66 of file CPosePDFGaussian.h.
References copyFrom().
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inlineexplicit |
Copy constructor, including transformations between other PDFs.
Definition at line 68 of file CPosePDFGaussian.h.
References copyFrom().
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staticprotected |
void CPosePDFGaussian::assureMinCovariance | ( | double | minStdXY, |
double | minStdPhi | ||
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Substitutes the diagonal elements if (square) they are below some given minimum values (Use this before bayesianFusion, for example, to avoid inversion of singular matrixes, etc...)
Definition at line 417 of file CPosePDFGaussian.cpp.
References cov, and mrpt::square().
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overridevirtual |
Bayesian fusion of two points gauss.
distributions, then save the result in this object. The process is as follows:
S = (S1-1 + S2-1)-1; x = S * ( S1-1*x1 + S2-1*x2 );
Implements mrpt::poses::CPosePDF.
Definition at line 259 of file CPosePDFGaussian.cpp.
References mrpt::math::CMatrixFixed< T, ROWS, COLS >::asEigen(), ASSERT_, CLASS_ID, cov, enforceCovSymmetry(), mrpt::poses::CPosePDF::GetRuntimeClass(), mrpt::math::MatrixBase< Scalar, Derived >::inverse_LLt(), mean, MRPT_END, MRPT_START, mrpt::poses::CPose2D::normalizePhi(), mrpt::poses::CPose2D::phi(), mrpt::poses::CPoseOrPoint< DERIVEDCLASS, DIM >::x(), and mrpt::poses::CPoseOrPoint< DERIVEDCLASS, DIM >::y().
Referenced by mrpt::poses::CPosePDFSOG::bayesianFusion().
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overridevirtual |
this = p (+) this.
This can be used to convert a PDF from local coordinates to global, providing the point (newReferenceBase) from which "to project" the current pdf. Result PDF substituted the currently stored one in the object.
Implements mrpt::poses::CPosePDF.
Definition at line 171 of file CPosePDFGaussian.cpp.
References mrpt::poses::CPose2D::composeFrom(), mean, mrpt::poses::CPose2D::phi(), and rotateCov().
Referenced by operator+().
void CPosePDFGaussian::changeCoordinatesReference | ( | const CPose2D & | newReferenceBase | ) |
this = p (+) this.
This can be used to convert a PDF from local coordinates to global, providing the point (newReferenceBase) from which "to project" the current pdf. Result PDF substituted the currently stored one in the object.
Definition at line 186 of file CPosePDFGaussian.cpp.
References mrpt::poses::CPose2D::composeFrom(), mean, mrpt::poses::CPose2D::phi(), and rotateCov().
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overridevirtual |
Returns a deep copy (clone) of the object, indepently of its class.
Implements mrpt::rtti::CObject.
void CPosePDFGaussian::composePoint | ( | const mrpt::math::TPoint2D & | l, |
CPoint2DPDFGaussian & | g | ||
) | const |
Returns the PDF of the 2D point with "q"=this pose and "l" a point without uncertainty.
Definition at line 542 of file CPosePDFGaussian.cpp.
References mrpt::poses::CPose2D::composePoint(), mrpt::poses::CPoint2DPDFGaussian::cov, cov, mrpt::poses::CPosePDF::jacobiansPoseComposition(), mrpt::poses::CPoint2DPDFGaussian::mean, mean, mrpt::math::MatrixVectorBase< Scalar, Derived >::transpose(), mrpt::math::UNINITIALIZED_MATRIX, mrpt::math::TPoint2D_data< T >::x, mrpt::poses::CPoseOrPoint< DERIVEDCLASS, DIM >::x(), mrpt::math::TPoint2D_data< T >::y, and mrpt::poses::CPoseOrPoint< DERIVEDCLASS, DIM >::y().
Referenced by mrpt::tfest::se2_l2_robust().
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overridevirtual |
Copy operator, translating if necesary (for example, between particles and gaussian representations)
Implements mrpt::poses::CPosePDF.
Definition at line 124 of file CPosePDFGaussian.cpp.
References cov, mrpt::math::CProbabilityDensityFunction< TDATA, STATE_LEN >::getCovariance(), mrpt::math::CProbabilityDensityFunction< TDATA, STATE_LEN >::getMean(), and mean.
Referenced by CPosePDFGaussian(), mrpt::poses::CPoseRandomSampler::getOriginalPDFCov2D(), mrpt::slam::CRangeBearingKFSLAM::OnTransitionNoise(), mrpt::maps::CMultiMetricMapPDF::prediction_and_update_pfOptimalProposal(), mrpt::hmtslam::CLSLAM_RBPF_2DLASER::prediction_and_update_pfOptimalProposal(), mrpt::slam::CMetricMapBuilderICP::processObservation(), and mrpt::ros1bridge::toROS().
void CPosePDFGaussian::copyFrom | ( | const CPose3DPDF & | o | ) |
Copy operator, translating if necesary (for example, between particles and gaussian representations)
Definition at line 136 of file CPosePDFGaussian.cpp.
References mrpt::math::MatrixVectorBase< Scalar, Derived >::block(), cov, mrpt::math::CProbabilityDensityFunction< TDATA, STATE_LEN >::getCovariance(), mrpt::math::CProbabilityDensityFunction< TDATA, STATE_LEN >::getMeanVal(), and mean.
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inlinestatic |
Definition at line 30 of file CPosePDFGaussian.h.
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inlinestatic |
Definition at line 30 of file CPosePDFGaussian.h.
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static |
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inlinestatic |
Definition at line 30 of file CPosePDFGaussian.h.
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overridevirtual |
Draws a number of samples from the distribution, and saves as a list of 1x3 vectors, where each row contains a (x,y,phi) datum.
Reimplemented from mrpt::math::CProbabilityDensityFunction< CPose2D, 3 >.
Definition at line 234 of file CPosePDFGaussian.cpp.
References cov, mrpt::random::CRandomGenerator::drawGaussianMultivariateMany(), mrpt::random::getRandomGenerator(), mean, MRPT_END, MRPT_START, mrpt::poses::CPose2D::phi(), mrpt::math::wrapToPiInPlace(), mrpt::poses::CPoseOrPoint< DERIVEDCLASS, DIM >::x(), and mrpt::poses::CPoseOrPoint< DERIVEDCLASS, DIM >::y().
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override |
Draws a single sample from the distribution.
Definition at line 213 of file CPosePDFGaussian.cpp.
References cov, mrpt::random::CRandomGenerator::drawGaussianMultivariate(), mrpt::random::getRandomGenerator(), mean, MRPT_END_WITH_CLEAN_UP, MRPT_START, mrpt::poses::CPose2D::normalizePhi(), mrpt::poses::CPose2D::phi(), mrpt::math::MatrixVectorBase< Scalar, Derived >::saveToTextFile(), mrpt::poses::CPoseOrPoint< DERIVEDCLASS, DIM >::x(), and mrpt::poses::CPoseOrPoint< DERIVEDCLASS, DIM >::y().
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pure virtualinherited |
Draws a single sample from the distribution.
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inlineinherited |
Makes a deep copy of the object and returns a smart pointer to it.
Definition at line 204 of file CObject.h.
References mrpt::rtti::CObject::clone().
Referenced by mrpt::obs::CRawlog::insert().
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protected |
Assures the symmetry of the covariance matrix (eventually certain operations in the math-coprocessor lead to non-symmetric matrixes!)
Definition at line 355 of file CPosePDFGaussian.cpp.
References cov.
Referenced by bayesianFusion().
double CPosePDFGaussian::evaluateNormalizedPDF | ( | const CPose2D & | x | ) | const |
Evaluates the ratio PDF(x) / PDF(MEAN), that is, the normalized PDF in the range [0,1].
Definition at line 343 of file CPosePDFGaussian.cpp.
References cov, mean, and mrpt::math::normalPDF().
double CPosePDFGaussian::evaluatePDF | ( | const CPose2D & | x | ) | const |
Evaluates the PDF at a given point.
Definition at line 332 of file CPosePDFGaussian.cpp.
References cov, mean, and mrpt::math::normalPDF().
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inlineinherited |
Returns a 3D representation of this PDF (it doesn't clear the current contents of out_obj, but append new OpenGL objects to that list)
Definition at line 113 of file CPosePDF.h.
References mrpt::opengl::posePDF2opengl().
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inlineinherited |
Returns a 3D representation of this PDF.
Definition at line 124 of file CPosePDF.h.
References mrpt::opengl::posePDF2opengl().
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inlinestatic |
Definition at line 30 of file CPosePDFGaussian.h.
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inlineinherited |
Returns the estimate of the covariance matrix (STATE_LEN x STATE_LEN covariance matrix)
Definition at line 88 of file CProbabilityDensityFunction.h.
References mrpt::math::CProbabilityDensityFunction< TDATA, STATE_LEN >::getCovarianceDynAndMean().
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inlineinherited |
Returns the estimate of the covariance matrix (STATE_LEN x STATE_LEN covariance matrix)
Definition at line 98 of file CProbabilityDensityFunction.h.
References mrpt::math::CProbabilityDensityFunction< TDATA, STATE_LEN >::getCovarianceAndMean().
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inlineinherited |
Returns the estimate of the covariance matrix (STATE_LEN x STATE_LEN covariance matrix)
Definition at line 108 of file CProbabilityDensityFunction.h.
References mrpt::math::cov(), mrpt::math::CProbabilityDensityFunction< TDATA, STATE_LEN >::getCovarianceAndMean(), and mrpt::math::UNINITIALIZED_MATRIX.
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inlinefinalvirtualinherited |
This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.
Definition at line 54 of file CProbabilityDensityFunction.h.
References mrpt::math::CProbabilityDensityFunction< TDATA, STATE_LEN >::getCovarianceAndMean(), and mrpt::math::mean().
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inlineoverridevirtual |
Returns an estimate of the pose covariance matrix (STATE_LENxSTATE_LEN cov matrix) and the mean, both at once.
Implements mrpt::math::CProbabilityDensityFunction< CPose2D, 3 >.
Definition at line 72 of file CPosePDFGaussian.h.
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inlineinherited |
Returns an estimate of the pose covariance matrix (STATE_LENxSTATE_LEN cov matrix) and the mean, both at once.
Definition at line 65 of file CProbabilityDensityFunction.h.
References mrpt::math::cov(), mrpt::math::CProbabilityDensityFunction< TDATA, STATE_LEN >::getCovarianceAndMean(), and mrpt::math::UNINITIALIZED_MATRIX.
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inlineinherited |
Compute the entropy of the estimated covariance matrix.
Definition at line 167 of file CProbabilityDensityFunction.h.
References mrpt::math::CProbabilityDensityFunction< TDATA, STATE_LEN >::getCovariance().
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inlinevirtualinherited |
Returns the information (inverse covariance) matrix (a STATE_LEN x STATE_LEN matrix) Unless reimplemented in derived classes, this method first reads the covariance, then invert it.
Definition at line 130 of file CProbabilityDensityFunction.h.
References mrpt::math::CProbabilityDensityFunction< TDATA, STATE_LEN >::getCovariance(), and mrpt::math::MatrixBase< Scalar, Derived >::inverse_LLt().
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pure virtualinherited |
Returns the mean, or mathematical expectation of the probability density distribution (PDF).
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inlineoverride |
Definition at line 70 of file CPosePDFGaussian.h.
References mean.
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inlineinherited |
Returns the mean, or mathematical expectation of the probability density distribution (PDF).
Definition at line 77 of file CProbabilityDensityFunction.h.
References mrpt::math::CProbabilityDensityFunction< TDATA, STATE_LEN >::getMean().
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inline |
Definition at line 50 of file CPosePDFGaussian.h.
References mean.
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inline |
Definition at line 51 of file CPosePDFGaussian.h.
References mean.
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overridevirtual |
Returns information about the class of an object in runtime.
Reimplemented from mrpt::poses::CPosePDF.
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static |
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overridevirtual |
Returns a new PDF such as: NEW_PDF = (0,0,0) - THIS_PDF.
Implements mrpt::poses::CPosePDF.
Definition at line 297 of file CPosePDFGaussian.cpp.
References mrpt::math::CMatrixFixed< T, ROWS, COLS >::asEigen(), ASSERT_, CLASS_ID, cov, mrpt::poses::CPosePDF::GetRuntimeClass(), mean, out, mrpt::poses::CPose2D::phi(), mrpt::math::MatrixVectorBase< Scalar, Derived >::transpose(), mrpt::poses::CPoseOrPoint< DERIVEDCLASS, DIM >::x(), and mrpt::poses::CPoseOrPoint< DERIVEDCLASS, DIM >::y().
Referenced by PosePDFGaussTests::testPoseInverse().
void CPosePDFGaussian::inverseComposition | ( | const CPosePDFGaussian & | x, |
const CPosePDFGaussian & | ref | ||
) |
Set , computing the mean using the "-" operator and the covariances through the corresponding Jacobians (For 'x0' and 'x1' being independent variables!).
Definition at line 429 of file CPosePDFGaussian.cpp.
References cov, mean, mrpt::math::multiply_HCHt(), mrpt::poses::CPose2D::phi(), mrpt::poses::CPoseOrPoint< DERIVEDCLASS, DIM >::x(), and mrpt::poses::CPoseOrPoint< DERIVEDCLASS, DIM >::y().
Referenced by mrpt::poses::CPosePDFGaussianInf::inverseComposition(), mrpt::poses::operator-(), and operator-=().
void CPosePDFGaussian::inverseComposition | ( | const CPosePDFGaussian & | x1, |
const CPosePDFGaussian & | x0, | ||
const mrpt::math::CMatrixDouble33 & | COV_01 | ||
) |
Set , computing the mean using the "-" operator and the covariances through the corresponding Jacobians (Given the 3x3 cross-covariance matrix of variables x0 and x1).
Definition at line 474 of file CPosePDFGaussian.cpp.
References mrpt::math::CMatrixFixed< T, ROWS, COLS >::asEigen(), cov, mean, mrpt::math::multiply_HCHt(), mrpt::poses::CPose2D::phi(), mrpt::poses::CPoseOrPoint< DERIVEDCLASS, DIM >::x(), and mrpt::poses::CPoseOrPoint< DERIVEDCLASS, DIM >::y().
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inlinestaticinherited |
Definition at line 98 of file CPosePDF.h.
References mrpt::poses::CPosePDF::is_3D_val.
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inlinestaticinherited |
Definition at line 103 of file CPosePDF.h.
References mrpt::poses::CPosePDF::is_PDF_val.
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inlinevirtualinherited |
Returns whether the class instance holds the uncertainty in covariance or information form.
Reimplemented in mrpt::poses::CPosePDFGaussianInf.
Definition at line 123 of file CProbabilityDensityFunction.h.
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staticinherited |
This static method computes the pose composition Jacobians, with these formulas:
Definition at line 32 of file CPosePDF.cpp.
References mrpt::poses::CPose2D::phi(), mrpt::math::MatrixBase< Scalar, Derived >::setIdentity(), mrpt::poses::CPoseOrPoint< DERIVEDCLASS, DIM >::x(), and mrpt::poses::CPoseOrPoint< DERIVEDCLASS, DIM >::y().
Referenced by composePoint(), mrpt::poses::CPosePDF::jacobiansPoseComposition(), operator+=(), and mrpt::poses::CPosePDFGaussianInf::operator+=().
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staticinherited |
This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.
Definition at line 22 of file CPosePDF.cpp.
References mrpt::poses::CPosePDF::jacobiansPoseComposition().
double CPosePDFGaussian::mahalanobisDistanceTo | ( | const CPosePDFGaussian & | theOther | ) |
Computes the Mahalanobis distance between the centers of two Gaussians.
Definition at line 367 of file CPosePDFGaussian.cpp.
References mrpt::math::CMatrixFixed< T, ROWS, COLS >::asEigen(), cov, mrpt::math::MatrixBase< Scalar, Derived >::inverse_LLt(), mean, MRPT_END, MRPT_START, mrpt::math::multiply_HtCH_scalar(), and mrpt::math::wrapToPiInPlace().
Referenced by mrpt::slam::CGridMapAligner::AlignPDF_robustMatch().
void CPosePDFGaussian::operator+= | ( | const CPose2D & | Ap | ) |
Makes: thisPDF = thisPDF + Ap, where "+" is pose composition (both the mean, and the covariance matrix are updated).
Definition at line 323 of file CPosePDFGaussian.cpp.
References mean, and rotateCov().
void CPosePDFGaussian::operator+= | ( | const CPosePDFGaussian & | Ap | ) |
Makes: thisPDF = thisPDF + Ap, where "+" is pose composition (both the mean, and the covariance matrix are updated) (see formulas in jacobiansPoseComposition ).
Definition at line 522 of file CPosePDFGaussian.cpp.
References cov, mrpt::poses::CPosePDF::jacobiansPoseComposition(), mean, mrpt::math::multiply_HCHt(), and mrpt::math::UNINITIALIZED_MATRIX.
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inline |
Makes: thisPDF = thisPDF - Ap, where "-" is pose inverse composition (both the mean, and the covariance matrix are updated)
Definition at line 179 of file CPosePDFGaussian.h.
References inverseComposition().
void CPosePDFGaussian::rotateCov | ( | const double | ang | ) |
Rotate the covariance matrix by replacing it by , where .
Definition at line 198 of file CPosePDFGaussian.cpp.
References mrpt::math::CMatrixFixed< T, ROWS, COLS >::asEigen(), and cov.
Referenced by changeCoordinatesReference(), mrpt::slam::CRangeBearingKFSLAM2D::OnTransitionNoise(), and operator+=().
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Save PDF's particles to a text file, containing the 2D pose in the first line, then the covariance matrix in next 3 lines.
Implements mrpt::math::CProbabilityDensityFunction< CPose2D, 3 >.
Definition at line 153 of file CPosePDFGaussian.cpp.
References cov, mrpt::system::os::fclose(), mrpt::system::os::fopen(), mrpt::system::os::fprintf(), mean, mrpt::poses::CPose2D::phi(), mrpt::poses::CPoseOrPoint< DERIVEDCLASS, DIM >::x(), and mrpt::poses::CPoseOrPoint< DERIVEDCLASS, DIM >::y().
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overrideprotectedvirtual |
Pure virtual method for reading (deserializing) from an abstract archive.
Users don't call this method directly. Instead, use stream >> object;
.
in | The input binary stream where the object data must read from. |
version | The version of the object stored in the stream: use this version number in your code to know how to read the incoming data. |
std::exception | On any I/O error |
Implements mrpt::serialization::CSerializable.
Definition at line 63 of file CPosePDFGaussian.cpp.
References mrpt::math::CMatrixFixed< T, ROWS, COLS >::cast_double(), cov, mrpt::math::deserializeSymmetricMatrixFrom(), mean, and MRPT_THROW_UNKNOWN_SERIALIZATION_VERSION.
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inlineprotectedvirtualinherited |
Virtual method for reading (deserializing) from an abstract schema based archive.
Definition at line 74 of file CSerializable.h.
References mrpt::serialization::CSerializable::GetRuntimeClass(), and THROW_EXCEPTION.
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overrideprotectedvirtual |
Must return the current versioning number of the object.
Start in zero for new classes, and increments each time there is a change in the stored format.
Implements mrpt::serialization::CSerializable.
Definition at line 57 of file CPosePDFGaussian.cpp.
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overrideprotectedvirtual |
Pure virtual method for writing (serializing) to an abstract archive.
Users don't call this method directly. Instead, use stream << object;
.
std::exception | On any I/O error |
Implements mrpt::serialization::CSerializable.
Definition at line 58 of file CPosePDFGaussian.cpp.
References cov, mean, out, and mrpt::math::serializeSymmetricMatrixTo().
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inlineprotectedvirtualinherited |
Virtual method for writing (serializing) to an abstract schema based archive.
Definition at line 64 of file CSerializable.h.
References mrpt::serialization::CSerializable::GetRuntimeClass(), and THROW_EXCEPTION.
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inlinevirtualinherited |
Introduces a pure virtual method responsible for writing to a mxArray
Matlab object, typically a MATLAB struct
whose contents are documented in each derived class.
mxArray
(caller is responsible of memory freeing) or nullptr is class does not support conversion to MATLAB. Definition at line 90 of file CSerializable.h.
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static |
Definition at line 30 of file CPosePDFGaussian.h.
mrpt::math::CMatrixDouble33 mrpt::poses::CPosePDFGaussian::cov |
The 3x3 covariance matrix.
Definition at line 46 of file CPosePDFGaussian.h.
Referenced by mrpt::slam::CGridMapAligner::AlignPDF_robustMatch(), assureMinCovariance(), mrpt::graphs::detail::graph_ops< graph_t >::auxMaha2Dist(), bayesianFusion(), mrpt::poses::CPosePDFSOG::bayesianFusion(), composePoint(), copyFrom(), mrpt::poses::CPose3DPDFGaussian::CPose3DPDFGaussian(), CPosePDFGaussian(), drawManySamples(), drawSingleSample(), enforceCovSymmetry(), evaluateNormalizedPDF(), evaluatePDF(), getCovarianceAndMean(), mrpt::slam::CMetricMapBuilderICP::getCurrentPoseEstimation(), mrpt::slam::CRangeBearingKFSLAM2D::getCurrentRobotPose(), mrpt::slam::CRangeBearingKFSLAM2D::getCurrentState(), mrpt::poses::CPoseRandomSampler::getOriginalPDFCov2D(), inverse(), inverseComposition(), mrpt::poses::CPosePDFGaussianInf::inverseComposition(), mrpt::maps::COccupancyGridMap2D::laserScanSimulatorWithUncertainty(), mahalanobisDistanceTo(), mrpt::slam::CRangeBearingKFSLAM2D::OnTransitionNoise(), operator+=(), mrpt::poses::operator<<(), mrpt::poses::operator==(), mrpt::slam::CMetricMapBuilderICP::processObservation(), ransac_data_assoc_run(), rotateCov(), mrpt::apps::RBPF_SLAM_App_Base::run(), saveToTextFile(), mrpt::tfest::se2_l2(), mrpt::tfest::se2_l2_robust(), serializeFrom(), serializeTo(), PosePDFGaussTests::testPoseInverse(), and mrpt::ros1bridge::toROS().
CPose2D mrpt::poses::CPosePDFGaussian::mean |
The mean value.
Definition at line 44 of file CPosePDFGaussian.h.
Referenced by mrpt::slam::CGridMapAligner::AlignPDF_robustMatch(), bayesianFusion(), mrpt::poses::CPosePDFSOG::bayesianFusion(), changeCoordinatesReference(), composePoint(), copyFrom(), drawManySamples(), drawSingleSample(), evaluateNormalizedPDF(), evaluatePDF(), getCovarianceAndMean(), mrpt::slam::CMetricMapBuilderICP::getCurrentPoseEstimation(), mrpt::slam::CRangeBearingKFSLAM2D::getCurrentRobotPose(), mrpt::slam::CRangeBearingKFSLAM2D::getCurrentState(), getMean(), getPoseMean(), mrpt::slam::CICP::ICP_Method_Classic(), mrpt::slam::CICP::ICP_Method_LM(), inverse(), inverseComposition(), mrpt::poses::CPosePDFGaussianInf::inverseComposition(), mrpt::maps::COccupancyGridMap2D::laserScanSimulatorWithUncertainty(), mahalanobisDistanceTo(), operator+=(), mrpt::poses::operator<<(), mrpt::poses::operator==(), mrpt::maps::CMultiMetricMapPDF::prediction_and_update_pfOptimalProposal(), mrpt::slam::CMetricMapBuilderICP::processObservation(), ransac_data_assoc_run(), mrpt::apps::RBPF_SLAM_App_Base::run(), saveToTextFile(), mrpt::tfest::se2_l2(), mrpt::tfest::se2_l2_robust(), serializeFrom(), serializeTo(), PosePDFGaussTests::testPoseInverse(), and mrpt::ros1bridge::toROS().
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Definition at line 30 of file CPosePDFGaussian.h.
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staticinherited |
The length of the variable, for example, 3 for a 3D point, 6 for a 3D pose (x y z yaw pitch roll).
Definition at line 32 of file CProbabilityDensityFunction.h.
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