Detailed Description

implement DotFeatures for the polynomial kernel

see DotFeatures for further discription

Definition at line 25 of file LBPPyrDotFeatures.h.

Inheritance diagram for CLBPPyrDotFeatures:

Public Member Functions
	CLBPPyrDotFeatures ()

	CLBPPyrDotFeatures (CSimpleFeatures< uint32_t > *images, uint16_t num_pyramids)

virtual	~CLBPPyrDotFeatures ()

	CLBPPyrDotFeatures (const CLBPPyrDotFeatures &orig)

virtual int32_t	get_dim_feature_space () const

virtual int32_t	get_nnz_features_for_vector (int32_t num)

virtual EFeatureType	get_feature_type ()

virtual EFeatureClass	get_feature_class ()

virtual int32_t	get_num_vectors () const

virtual float64_t	dot (int32_t vec_idx1, CDotFeatures *df, int32_t vec_idx2)

virtual int32_t	get_size ()

virtual void *	get_feature_iterator (int32_t vector_index)

virtual bool	get_next_feature (int32_t &index, float64_t &value, void *iterator)

virtual void	free_feature_iterator (void *iterator)

CFeatures *	duplicate () const

virtual const char *	get_name () const

virtual float64_t	dense_dot (int32_t vec_idx1, const float64_t *vec2, int32_t vec2_len)

virtual void	add_to_dense_vec (float64_t alpha, int32_t vec_idx1, float64_t *vec2, int32_t vec2_len, bool abs_val=false)

Public Member Functions inherited from CDotFeatures
	CDotFeatures (int32_t size=0)

	CDotFeatures (const CDotFeatures &orig)

	CDotFeatures (CFile *loader)

virtual	~CDotFeatures ()

virtual void	dense_dot_range (float64_t output, int32_t start, int32_t stop, float64_t alphas, float64_t *vec, int32_t dim, float64_t b)

virtual void	dense_dot_range_subset (int32_t sub_index, int32_t num, float64_t output, float64_t alphas, float64_t vec, int32_t dim, float64_t b)

float64_t	get_combined_feature_weight ()

void	set_combined_feature_weight (float64_t nw)

SGMatrix< float64_t >	get_computed_dot_feature_matrix ()

SGVector< float64_t >	get_computed_dot_feature_vector (int32_t num)

void	benchmark_add_to_dense_vector (int32_t repeats=5)

void	benchmark_dense_dot_range (int32_t repeats=5)

virtual SGVector< float64_t >	get_mean ()

virtual SGMatrix< float64_t >	get_cov ()

Public Member Functions inherited from CFeatures
	CFeatures (int32_t size=0)

	CFeatures (const CFeatures &orig)

	CFeatures (CFile *loader)

virtual	~CFeatures ()

virtual int32_t	add_preprocessor (CPreprocessor *p)
	set preprocessor More...

virtual CPreprocessor *	del_preprocessor (int32_t num)
	del current preprocessor More...

CPreprocessor *	get_preprocessor (int32_t num)
	get current preprocessor More...

void	set_preprocessed (int32_t num)

bool	is_preprocessed (int32_t num)

int32_t	get_num_preprocessed ()
	get whether specified preprocessor (or all if num=1) was/were already applied More...

int32_t	get_num_preprocessors () const

void	clean_preprocessors ()
	clears all preprocs More...

int32_t	get_cache_size ()

virtual bool	reshape (int32_t num_features, int32_t num_vectors)

void	list_feature_obj ()

virtual void	load (CFile *loader)

virtual void	save (CFile *writer)

bool	check_feature_compatibility (CFeatures *f)

bool	has_property (EFeatureProperty p)

void	set_property (EFeatureProperty p)

void	unset_property (EFeatureProperty p)

virtual void	set_subset (CSubset *subset)

virtual void	remove_subset ()

virtual void	subset_changed_post ()

index_t	subset_idx_conversion (index_t idx) const

bool	has_subset () const

virtual CFeatures *	copy_subset (SGVector< index_t > indices)

Public Member Functions inherited from CSGObject
	CSGObject ()

	CSGObject (const CSGObject &orig)

virtual	~CSGObject ()

virtual bool	is_generic (EPrimitiveType *generic) const

template<class T >
void	set_generic ()

void	unset_generic ()

virtual void	print_serializable (const char *prefix="")

virtual bool	save_serializable (CSerializableFile file, const char prefix="")

virtual bool	load_serializable (CSerializableFile file, const char prefix="")

void	set_global_io (SGIO *io)

SGIO *	get_global_io ()

void	set_global_parallel (Parallel *parallel)

Parallel *	get_global_parallel ()

void	set_global_version (Version *version)

Version *	get_global_version ()

SGVector< char * >	get_modelsel_names ()

char *	get_modsel_param_descr (const char *param_name)

index_t	get_modsel_param_index (const char *param_name)

template<>
void	set_generic ()

template<>
void	set_generic ()

template<>
void	set_generic ()

template<>
void	set_generic ()

template<>
void	set_generic ()

template<>
void	set_generic ()

template<>
void	set_generic ()

template<>
void	set_generic ()

template<>
void	set_generic ()

template<>
void	set_generic ()

template<>
void	set_generic ()

template<>
void	set_generic ()

template<>
void	set_generic ()

Protected Member Functions
uint32_t	liblbp_pyr_get_dim (uint16_t nPyramids)

Protected Member Functions inherited from CDotFeatures
void	display_progress (int32_t start, int32_t stop, int32_t v)

Protected Member Functions inherited from CSGObject
virtual void	load_serializable_pre () throw (ShogunException)

virtual void	load_serializable_post () throw (ShogunException)

virtual void	save_serializable_pre () throw (ShogunException)

virtual void	save_serializable_post () throw (ShogunException)

Protected Attributes
CSimpleFeatures< uint32_t > *	m_feat

uint32_t *	img

int32_t	img_nRows

int32_t	img_nCols

int32_t	vec_nDim

Protected Attributes inherited from CDotFeatures
float64_t	combined_weight
	feature weighting in combined dot features More...

Protected Attributes inherited from CFeatures
CSubset *	m_subset

Additional Inherited Members
Static Public Member Functions inherited from CDotFeatures
static void *	dense_dot_range_helper (void *p)

Public Attributes inherited from CSGObject
SGIO *	io

Parallel *	parallel

Version *	version

Parameter *	m_parameters

Parameter *	m_model_selection_parameters

Constructor & Destructor Documentation

** CLBPPyrDotFeatures ( )

default constructor

Definition at line 127 of file LBPPyrDotFeatures.cpp.

CLBPPyrDotFeatures	(	CSimpleFeatures< uint32_t > *	images,
		uint16_t	num_pyramids
	)

constructor

Parameters

images	images
num_pyramids

Definition at line 139 of file LBPPyrDotFeatures.cpp.

~CLBPPyrDotFeatures ( )

virtual

Definition at line 150 of file LBPPyrDotFeatures.cpp.

CLBPPyrDotFeatures ( const CLBPPyrDotFeatures & orig )

copy constructor

not implemented!

Parameters

orig	original PolyFeature

Definition at line 155 of file LBPPyrDotFeatures.cpp.

Member Function Documentation

void add_to_dense_vec	(	float64_t	alpha,
		int32_t	vec_idx1,
		float64_t *	vec2,
		int32_t	vec2_len,
		bool	abs_val = `false`
	)

virtual

compute alpha*x+vec2

Parameters

alpha	alpha
vec_idx1	index of first vector x
vec2	vec2
vec2_len	length of vec2
abs_val	if true add the absolute value

Implements CDotFeatures.

Definition at line 286 of file LBPPyrDotFeatures.cpp.

float64_t dense_dot	(	int32_t	vec_idx1,
		const float64_t *	vec2,
		int32_t	vec2_len
	)

virtual

compute dot product of vector with index arg1 with an given second vector

Parameters

vec_idx1	index of first vector
vec2	second vector
vec2_len	length of second vector

Implements CDotFeatures.

Definition at line 218 of file LBPPyrDotFeatures.cpp.

float64_t dot	(	int32_t	vec_idx1,
		CDotFeatures *	df,
		int32_t	vec_idx2
	)

virtual

compute dot product between vector1 and vector2, appointed by their indices

Parameters

vec_idx1	index of first vector
df	DotFeatures (of same kind) to compute dot product with
vec_idx2	index of second vector

Implements CDotFeatures.

Definition at line 212 of file LBPPyrDotFeatures.cpp.

CFeatures * duplicate ( ) const

virtual

duplicate feature object

Returns: feature object

Implements CFeatures.

Definition at line 355 of file LBPPyrDotFeatures.cpp.

void free_feature_iterator ( void * iterator )

virtual

clean up iterator call this function with the iterator returned by get_first_feature

Parameters

iterator as returned by get_first_feature

Implements CDotFeatures.

Definition at line 207 of file LBPPyrDotFeatures.cpp.

int32_t get_dim_feature_space ( ) const

virtual

get dimensions of feature space

Returns: dimensions of feature space

Implements CDotFeatures.

Definition at line 161 of file LBPPyrDotFeatures.cpp.

EFeatureClass get_feature_class ( )

virtual

get feature class

Returns: feature class

Implements CFeatures.

Definition at line 176 of file LBPPyrDotFeatures.cpp.

void * get_feature_iterator ( int32_t vector_index )

virtual

iterate over the non-zero features

call get_feature_iterator first, followed by get_next_feature and free_feature_iterator to cleanup

Parameters

vector_index the index of the vector over whose components to iterate over

Returns: feature iterator (to be passed to get_next_feature)

Implements CDotFeatures.

Definition at line 195 of file LBPPyrDotFeatures.cpp.

EFeatureType get_feature_type ( )

virtual

get feature type

Returns: feature type

Implements CFeatures.

Definition at line 171 of file LBPPyrDotFeatures.cpp.

virtual const char* get_name ( ) const

virtual

Returns: name of class

Implements CSGObject.

Definition at line 134 of file LBPPyrDotFeatures.h.

bool get_next_feature	(	int32_t &	index,
		float64_t &	value,
		void *	iterator
	)

virtual

iterate over the non-zero features

call this function with the iterator returned by get_first_feature and call free_feature_iterator to cleanup

Parameters

index	is returned by reference (-1 when not available)
value	is returned by reference
iterator	as returned by get_first_feature

Returns: true if a new non-zero feature got returned

Implements CDotFeatures.

Definition at line 201 of file LBPPyrDotFeatures.cpp.

int32_t get_nnz_features_for_vector ( int32_t num )

virtual

get number of non-zero features in vector

Parameters

num	index of vector

Returns: number of non-zero features in vector

Implements CDotFeatures.

Definition at line 166 of file LBPPyrDotFeatures.cpp.

int32_t get_num_vectors ( ) const

virtual

get number of vectors

Returns: number of vectors

Implements CFeatures.

Definition at line 181 of file LBPPyrDotFeatures.cpp.

int32_t get_size ( )

virtual

Returns: size

Implements CFeatures.

Definition at line 190 of file LBPPyrDotFeatures.cpp.

uint32_t liblbp_pyr_get_dim ( uint16_t nPyramids )

protected

lib lbp pyr get dim

Parameters

nPyramids

Definition at line 360 of file LBPPyrDotFeatures.cpp.

Member Data Documentation

uint32_t* img

protected

img

Definition at line 168 of file LBPPyrDotFeatures.h.

int32_t img_nCols

protected

img nCols

Definition at line 172 of file LBPPyrDotFeatures.h.

int32_t img_nRows

protected

img nRows

Definition at line 170 of file LBPPyrDotFeatures.h.

CSimpleFeatures<uint32_t>* m_feat

protected

features in original space

Definition at line 165 of file LBPPyrDotFeatures.h.

int32_t vec_nDim

protected

vec nDim

Definition at line 174 of file LBPPyrDotFeatures.h.

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

Detailed Description

Public Member Functions

Protected Member Functions

Protected Attributes

Additional Inherited Members

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation