: desc is wrong, still the wpearson one... More...

#include <semanticclassifierdistance.h>

Inheritance diagram for gaia2::SemanticClassifierDistance:

Public Member Functions
	SemanticClassifierDistance (const PointLayout &layout, const ParameterMap &params)

Real	operator() (const Point &p1, const Point &p2, int seg1, int seg2) const
	This function computes the distance between the two given points. More...

Public Member Functions inherited from gaia2::DistanceFunction
	DistanceFunction (const PointLayout &layout, const ParameterMap &params)

const PointLayout &	layout () const

const Region &	checkFixedLength (const Region &region) const
	Checks that the given Region only contains fixed-length descriptors and throws an exception if not. More...

Protected Attributes
Array< DimWeight >	_fixedl

Real	_alpha

Real	_beta

Protected Attributes inherited from gaia2::DistanceFunction
PointLayout	_layout

ParameterMap	_params

Region	_region

Additional Inherited Members
Public Attributes inherited from gaia2::DistanceFunction
QString	name
	Name for the metric, usually the key that was used to instantiate it from the factory.

QStringList	validParams
	List of valid parameters this analyzer accepts. More...

Detailed Description

: desc is wrong, still the wpearson one...

This class computes the semantic classifier distance between 2 points. It is defined as $d (X,Y) = \sum{w_i\frac{e^{(x_i-y_i)^{\alpha}}}{\beta+e^{x_i+y_i}}}$

the alpha coefficient in the above formula the beta coefficient in the above formula

Parameters

weights a mapping from descriptor name to its weight.

Member Function Documentation

Real SemanticClassifierDistance::operator()	(	const Point &	p1,
		const Point &	p2,
		int	seg1,
		int	seg2
	)		const

virtual

This function computes the distance between the two given points.

It needs to be implemented in each subclass. It takes as optional arguments the number of the segments on which to operate.

Implements gaia2::DistanceFunction.

The documentation for this class was generated from the following files:

src/metrics/semanticclassifierdistance.h
src/metrics/semanticclassifierdistance.cpp

Public Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Member Function Documentation