DirectGraphicalModels::CDecodeExact Class Reference

Exact decoding class. More...

#include <DecodeExact.h>

Inheritance diagram for DirectGraphicalModels::CDecodeExact:

Collaboration diagram for DirectGraphicalModels::CDecodeExact:

Public Member Functions
	CDecodeExact (IGraphPairwise &graph)
	Constructor. More...
virtual	~CDecodeExact (void)
virtual vec_byte_t	decode (Mat &lossMatrix=EmptyMat) const
	Exact decoding. More...
Public Member Functions inherited from DirectGraphicalModels::CDecode
virtual	~CDecode (void)

Protected Member Functions
IGraphPairwise &	getGraphPairwise (void) const
	Returns the graph. More...
void	setState (vec_byte_t &state, qword configuration) const
	Sets the state according to the configuration index configuration. More...
void	incState (vec_byte_t &state) const
	Increases the state by one, i.e. switches the state array to the consequent configuration. More...
vec_float_t	calculatePotentials (void) const
	Calculates potentials for all possible configurations. More...
Protected Member Functions inherited from DirectGraphicalModels::CDecode
	CDecode (CGraph &graph)
	Constructor. More...
CGraph &	getGraph (void) const
	Returns the reference to the graph. More...

Additional Inherited Members
Static Public Member Functions inherited from DirectGraphicalModels::CDecode
static vec_byte_t	decode (const CGraph &graph, Mat &lossMatrix=EmptyMat)
	Approximate decoding. More...
static Mat	getDefaultLossMatrix (byte nStates)
	Returns a default loss matrix \(L\). More...

Detailed Description

Exact decoding class.

Note

Use this class only if \( nStates^{nNodes} < 2^{32}\)

Author

Sergey G. Kosov, serge.nosp@m.y.ko.nosp@m.sov@p.nosp@m.roje.nosp@m.ct-10.nosp@m..de

Definition at line 17 of file DecodeExact.h.

Constructor & Destructor Documentation

CDecodeExact()

DirectGraphicalModels::CDecodeExact::CDecodeExact ( IGraphPairwise &  graph )

inline

Constructor.

Parameters

graph

The graph

Definition at line 24 of file DecodeExact.h.

~CDecodeExact()

virtual DirectGraphicalModels::CDecodeExact::~CDecodeExact ( void  )

inlinevirtual

Definition at line 25 of file DecodeExact.h.

Member Function Documentation

calculatePotentials()

vec_float_t DirectGraphicalModels::CDecodeExact::calculatePotentials ( void  ) const

protected

Calculates potentials for all possible configurations.

This function is used in exact inference / decoding

Returns

\(nStates^{nNodes}\) potentials, corresponding to the all possible configurations (states destributed along the nodes)

Definition at line 58 of file DecodeExact.cpp.

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decode()

vec_byte_t DirectGraphicalModels::CDecodeExact::decode ( Mat &  lossMatrix = EmptyMat ) const

virtual

Exact decoding.

Parameters

lossMatrix

is not used

Returns

The most probable configuration

Reimplemented from DirectGraphicalModels::CDecode.

Definition at line 7 of file DecodeExact.cpp.

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getGraphPairwise()

IGraphPairwise& DirectGraphicalModels::CDecodeExact::getGraphPairwise ( void  ) const

inlineprotected

Returns the graph.

Returns

The graph

Definition at line 40 of file DecodeExact.h.

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incState()

void DirectGraphicalModels::CDecodeExact::incState ( vec_byte_t &  state ) const

protected

Increases the state by one, i.e. switches the state array to the consequent configuration.

This function is used in exact inference / decoding

Parameters

state

Array of nNodes elements with the current configuration (states destributed along the nodes)

Definition at line 49 of file DecodeExact.cpp.

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setState()

void DirectGraphicalModels::CDecodeExact::setState ( vec_byte_t &  state, qword  configuration  ) const

protected

Sets the state according to the configuration index configuration.

This function is used in exact inference / decoding

Parameters

state	Array of nNodes elements with the current configuration (states destributed along the nodes)
configuration	Configuration index \(\in[0; nStates^{nNodes}]\)

Definition at line 39 of file DecodeExact.cpp.

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

• D:/Projects/DGM/modules/DGM/DecodeExact.h
• D:/Projects/DGM/modules/DGM/DecodeExact.cpp