Visual Servoing Platform  version 3.4.0
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vpScale Class Reference
core: Core module » Mathematics » Robust estimation

#include <vpScale.h>

Public Member Functions

 vpScale ()
 
 vpScale (double kernel_bandwidth, unsigned int dim=1)
 
virtual ~vpScale (void)
 
double MeanShift (vpColVector &error)
 
double KernelDensity (vpColVector &error, unsigned int position)
 
double KernelDensityGradient (vpColVector &error, unsigned int position)
 
double KernelDensity_EPANECHNIKOV (vpColVector &X)
 
double KernelDensityGradient_EPANECHNIKOV (double X, unsigned int n)
 

Detailed Description

Contains various estimators for scale.
Methods : Median Absolute Deviation (MAD), MPDE, Mean shift kernel density estimation.

Author
Andrew Comport
Date
24/10/03

Contains different methods for estimating the robust scale of an error distribution.

Methods of Median Absolute Deviation and Density Gradient estimation using the Mean Shift method.

Author
Andrew Comport
Date
24/10/03

Definition at line 72 of file vpScale.h.

Constructor & Destructor Documentation

vpScale::vpScale ( )

Constructor.

Definition at line 54 of file vpScale.cpp.

vpScale::vpScale ( double  kernel_bandwidth,
unsigned int  dim = 1 
)

Constructor.

Definition at line 65 of file vpScale.cpp.

vpScale::~vpScale ( void  )
virtual

Destructor.

Definition at line 77 of file vpScale.cpp.

Member Function Documentation

double vpScale::KernelDensity ( vpColVector &  error,
unsigned int  position 
)

Definition at line 118 of file vpScale.cpp.

References vpArray2D< Type >::getRows(), and KernelDensity_EPANECHNIKOV().

Referenced by MeanShift().

double vpScale::KernelDensity_EPANECHNIKOV ( vpColVector &  X)

Definition at line 214 of file vpScale.cpp.

Referenced by KernelDensity().

double vpScale::KernelDensityGradient ( vpColVector &  error,
unsigned int  position 
)

Definition at line 167 of file vpScale.cpp.

References vpArray2D< Type >::getRows(), KernelDensityGradient_EPANECHNIKOV(), and vpMath::sqr().

Referenced by MeanShift().

double vpScale::KernelDensityGradient_EPANECHNIKOV ( double  X,
unsigned int  n 
)

Definition at line 242 of file vpScale.cpp.

References vpMath::sqr().

Referenced by KernelDensityGradient().

double vpScale::MeanShift ( vpColVector &  error)

Definition at line 81 of file vpScale.cpp.

References vpArray2D< Type >::getRows(), KernelDensity(), KernelDensityGradient(), and vpMath::sqr().