HmaxFL Class Reference

Object recognition model inspired from Riesenhuber & Poggio's HMAX model. More...

#include <HMAX/HmaxFL.H>

Inheritance diagram for HmaxFL:

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Collaboration diagram for HmaxFL:

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List of all members.

Public Member Functions
	HmaxFL ()
	Default constructor. Need to call init() later.
	HmaxFL (const int nori, const std::vector< int > &spacess, const std::vector< int > &scaless, const int c1spaceol=2, const bool angleflag=true, const float s2t=1.0F, const float s2s=1.0F, const float gamma=0.3F, const float divstart=4.05F, const float divstep=-0.05F, const int fsmin=5, const int fsstep=2)
	Constructor.
void	init (const int nori, const std::vector< int > &spacess, const std::vector< int > &scaless, const int c1spaceol=2, const bool angleflag=true, const float s2t=1.0F, const float s2s=1.0F, const float gamma=0.3F, const float divstart=4.05F, const float divstep=-0.05F, const int fsmin=5, const int fsstep=2)
	Initialization.
void	initFilters (const float gamma, const float divstart, const float divstep, const int fsmin, const int fsstep)
void	freeMem ()
	Free internal memory.
void	freeC1Patches ()
	~HmaxFL ()
	Destructor.
void	getC2 (const Image< float > &input, float **&c2Res)
	Compute C2 responses from an input image.
void	extractRandC1Patch (std::string dirname, Image< float > &image, int index, std::vector< int > patchSizes)
	Randomly extract a set of C1Patches from positive training images.
void	extractRandC1Patches (std::string dirname, Image< float > *&posTrainingImages, int numPosTrainImages, std::vector< int > patchSizes, int nPatchesPerSize)
void	setC1Patches (Image< float > ***&patches, std::vector< int > patchSizes, int numPatchesPerSize)
	Set the c1patches that should be used.
void	readInC1Patches (std::string fileName)
void	writeOutC1Patch (std::string dirName, Image< float > &patch, int i, int j, int k)
void	writeOutC1Patches (std::string dirName)
std::vector< int >	getC1PatchSizes ()
int	getC1PatchesPerSize ()
Image< float > ***&	getC1Patches ()
	Get the c1patches that are being used.
void	windowedPatchDistance (Image< float > &images, int nimages, Image< float > &patches, int npatches, Image< float > &D)
	Calculate the distance from a patch to an image.
Protected Attributes
int	nswb
	number of scales within a scale band
Image< float > ***	c1Patches
	patches that should be compared in S2 activation c1Patches[patchSizes][patchesPerSize]
std::vector< int >	c1PatchSizes
	Number of square patch sizes of c1Patches.
int	nC1PatchesPerSize
	Number of patches per patch size of c1Patches.

Detailed Description

Object recognition model inspired from Riesenhuber & Poggio's HMAX model.

See Riesenhuber & Poggio, Nature Neuroscience, 1999.

Definition at line 56 of file HmaxFL.H.

Constructor & Destructor Documentation

HmaxFL::HmaxFL ( )

Default constructor. Need to call init() later.

Definition at line 62 of file HmaxFL.C.

References Hmax::initialized.

HmaxFL::HmaxFL	(	const int	nori,
		const std::vector< int > &	spacess,
		const std::vector< int > &	scaless,
		const int	c1spaceol = `2`,
		const bool	angleflag = `true`,
		const float	s2t = `1.0F`,
		const float	s2s = `1.0F`,
		const float	gamma = `0.3F`,
		const float	divstart = `4.05F`,
		const float	divstep = `-0.05F`,
		const int	fsmin = `5`,
		const int	fsstep = `2`
	)

Constructor.

Definition at line 66 of file HmaxFL.C.

References init(), and Hmax::initialized.

HmaxFL::~HmaxFL ( )

Destructor.

Definition at line 134 of file HmaxFL.C.

References freeMem().

Member Function Documentation

void HmaxFL::extractRandC1Patch	(	std::string	dirname,
		Image< float > &	image,
		int	index,
		std::vector< int >	patchSizes
	)

Randomly extract a set of C1Patches from positive training images.

Definition at line 312 of file HmaxFL.C.

References Hmax::c1SpaceOL, Image< T >::getHeight(), Image< T >::getWidth(), and Rectangle::tlbrI().

void HmaxFL::freeMem ( )

Free internal memory.

Reimplemented from Hmax.

Definition at line 122 of file HmaxFL.C.

References Hmax::filter, and Hmax::initialized.

Referenced by ~HmaxFL().

Image< float > ***& HmaxFL::getC1Patches ( )

Get the c1patches that are being used.

Definition at line 297 of file HmaxFL.C.

References c1Patches.

void HmaxFL::getC2	(	const Image< float > &	input,
		float **&	c2Res
	)

Compute C2 responses from an input image.

Definition at line 396 of file HmaxFL.C.

References c1Patches, c1PatchSizes, getMinMax(), min(), nC1PatchesPerSize, Hmax::nsb, and windowedPatchDistance().

void HmaxFL::init	(	const int	nori,
		const std::vector< int > &	spacess,
		const std::vector< int > &	scaless,
		const int	c1spaceol = `2`,
		const bool	angleflag = `true`,
		const float	s2t = `1.0F`,
		const float	s2s = `1.0F`,
		const float	gamma = `0.3F`,
		const float	divstart = `4.05F`,
		const float	divstep = `-0.05F`,
		const int	fsmin = `5`,
		const int	fsstep = `2`
	)