SHOGUN
v1.1.0
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The Kernel distance takes a distance as input.
It turns a kernel into something distance like by computing
Definition at line 33 of file KernelDistance.h.
Public Member Functions | |
CKernelDistance () | |
CKernelDistance (float64_t width, CKernel *k) | |
CKernelDistance (CFeatures *l, CFeatures *r, float64_t width, CKernel *k) | |
virtual | ~CKernelDistance () |
virtual bool | init (CFeatures *l, CFeatures *r) |
virtual EDistanceType | get_distance_type () |
virtual EFeatureType | get_feature_type () |
virtual EFeatureClass | get_feature_class () |
virtual const char * | get_name () const |
virtual void | cleanup () |
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CDistance () | |
CDistance (CFeatures *lhs, CFeatures *rhs) | |
virtual | ~CDistance () |
float64_t | distance (int32_t idx_a, int32_t idx_b) |
SGMatrix< float64_t > | get_distance_matrix () |
virtual float64_t * | get_distance_matrix_real (int32_t &m, int32_t &n, float64_t *target) |
virtual float32_t * | get_distance_matrix_shortreal (int32_t &m, int32_t &n, float32_t *target) |
void | load (CFile *loader) |
void | save (CFile *writer) |
CFeatures * | get_lhs () |
CFeatures * | get_rhs () |
CFeatures * | replace_rhs (CFeatures *rhs) |
virtual void | remove_lhs_and_rhs () |
virtual void | remove_lhs () |
takes all necessary steps if the lhs is removed from distance matrix | |
virtual void | remove_rhs () |
takes all necessary steps if the rhs is removed from distance matrix | |
bool | get_precompute_matrix () |
virtual void | set_precompute_matrix (bool flag) |
int32_t | get_num_vec_lhs () |
int32_t | get_num_vec_rhs () |
bool | has_features () |
bool | lhs_equals_rhs () |
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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) |
Protected Member Functions | |
float64_t | compute (int32_t idx_a, int32_t idx_b) |
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void | do_precompute_matrix () |
matrix precomputation | |
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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) |
Additional Inherited Members | |
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SGIO * | io |
Parallel * | parallel |
Version * | version |
Parameter * | m_parameters |
Parameter * | m_model_selection_parameters |
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static void * | run_distance_thread (void *p) |
run distance thread | |
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float32_t * | precomputed_matrix |
bool | precompute_matrix |
CFeatures * | lhs |
feature vectors to occur on left hand side | |
CFeatures * | rhs |
feature vectors to occur on right hand side |
CKernelDistance | ( | ) |
default constructor
Definition at line 20 of file KernelDistance.cpp.
CKernelDistance | ( | float64_t | width, |
CKernel * | k | ||
) |
CKernelDistance | ( | CFeatures * | l, |
CFeatures * | r, | ||
float64_t | width, | ||
CKernel * | k | ||
) |
constructor
l | features of left-hand side |
r | features of right-hand side |
width | width |
k | kernel |
Definition at line 36 of file KernelDistance.cpp.
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virtual |
destructor
Definition at line 50 of file KernelDistance.cpp.
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virtual |
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protectedvirtual |
compute kernel function for features a and b idx_{a,b} denote the index of the feature vectors in the corresponding feature object
idx_a | index a |
idx_b | index b |
Implements CDistance.
Definition at line 65 of file KernelDistance.cpp.
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virtual |
return what type of kernel we are
Implements CDistance.
Definition at line 71 of file KernelDistance.h.
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virtual |
return feature class the distance can deal with
Implements CDistance.
Definition at line 82 of file KernelDistance.h.
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return feature type the distance can deal with
Implements CDistance.
Definition at line 76 of file KernelDistance.h.
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return the distances's name
Implements CSGObject.
Definition at line 88 of file KernelDistance.h.
initialize kernel
l | features of left-hand side |
r | features of right-hand side |
Reimplemented from CDistance.
Definition at line 58 of file KernelDistance.cpp.