SimpleLocalityImprovedString kernel, is a ``simplified'' and better performing version of the Locality improved kernel.
It can be defined as
where if
and 0 otherwise.
Definition at line 28 of file SimpleLocalityImprovedStringKernel.h.
Public Member Functions | |
CSimpleLocalityImprovedStringKernel (int32_t size, int32_t length, int32_t inner_degree, int32_t outer_degree) | |
CSimpleLocalityImprovedStringKernel (CStringFeatures< char > *l, CStringFeatures< char > *r, int32_t length, int32_t inner_degree, int32_t outer_degree) | |
virtual | ~CSimpleLocalityImprovedStringKernel () |
virtual bool | init (CFeatures *l, CFeatures *r) |
virtual void | cleanup () |
bool | load_init (FILE *src) |
bool | save_init (FILE *dest) |
virtual EKernelType | get_kernel_type () |
virtual const char * | get_name () const |
Protected Member Functions | |
float64_t | compute (int32_t idx_a, int32_t idx_b) |
Protected Attributes | |
int32_t | length |
int32_t | inner_degree |
int32_t | outer_degree |
float64_t * | pyramid_weights |
CSimpleLocalityImprovedStringKernel::CSimpleLocalityImprovedStringKernel | ( | int32_t | size, | |
int32_t | length, | |||
int32_t | inner_degree, | |||
int32_t | outer_degree | |||
) |
constructor
size | cache size | |
length | length | |
inner_degree | inner degree | |
outer_degree | outer degree |
Definition at line 17 of file SimpleLocalityImprovedStringKernel.cpp.
CSimpleLocalityImprovedStringKernel::CSimpleLocalityImprovedStringKernel | ( | CStringFeatures< char > * | l, | |
CStringFeatures< char > * | r, | |||
int32_t | length, | |||
int32_t | inner_degree, | |||
int32_t | outer_degree | |||
) |
constructor
l | features of left-hand side | |
r | features of right-hand side | |
length | length | |
inner_degree | inner degree | |
outer_degree | outer degree |
Definition at line 24 of file SimpleLocalityImprovedStringKernel.cpp.
CSimpleLocalityImprovedStringKernel::~CSimpleLocalityImprovedStringKernel | ( | ) | [virtual] |
Definition at line 33 of file SimpleLocalityImprovedStringKernel.cpp.
void CSimpleLocalityImprovedStringKernel::cleanup | ( | ) | [virtual] |
clean up kernel
Reimplemented from CKernel.
Definition at line 88 of file SimpleLocalityImprovedStringKernel.cpp.
float64_t CSimpleLocalityImprovedStringKernel::compute | ( | int32_t | idx_a, | |
int32_t | idx_b | |||
) | [protected, virtual] |
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 CKernel.
Definition at line 193 of file SimpleLocalityImprovedStringKernel.cpp.
virtual EKernelType CSimpleLocalityImprovedStringKernel::get_kernel_type | ( | ) | [virtual] |
return what type of kernel we are
Implements CKernel.
Definition at line 84 of file SimpleLocalityImprovedStringKernel.h.
virtual const char* CSimpleLocalityImprovedStringKernel::get_name | ( | ) | const [virtual] |
return the kernel's name
Implements CSGObject.
Definition at line 93 of file SimpleLocalityImprovedStringKernel.h.
initialize kernel
l | features of left-hand side | |
r | features of right-hand side |
Reimplemented from CStringKernel< char >.
Definition at line 38 of file SimpleLocalityImprovedStringKernel.cpp.
bool CSimpleLocalityImprovedStringKernel::load_init | ( | FILE * | src | ) | [virtual] |
load kernel init_data
src | file to load from |
Implements CKernel.
Definition at line 96 of file SimpleLocalityImprovedStringKernel.cpp.
bool CSimpleLocalityImprovedStringKernel::save_init | ( | FILE * | dest | ) | [virtual] |
save kernel init_data
dest | file to save to |
Implements CKernel.
Definition at line 101 of file SimpleLocalityImprovedStringKernel.cpp.
int32_t CSimpleLocalityImprovedStringKernel::inner_degree [protected] |
inner degree
Definition at line 126 of file SimpleLocalityImprovedStringKernel.h.
int32_t CSimpleLocalityImprovedStringKernel::length [protected] |
length
Definition at line 124 of file SimpleLocalityImprovedStringKernel.h.
int32_t CSimpleLocalityImprovedStringKernel::outer_degree [protected] |
outer degree
Definition at line 128 of file SimpleLocalityImprovedStringKernel.h.
pyramid weights
Definition at line 130 of file SimpleLocalityImprovedStringKernel.h.