SimpleLocalityImprovedString kernel, is a ``simplified'' and better performing version of the Locality improved kernel.
It can be defined as
where
if
and 0 otherwise.
在文件SimpleLocalityImprovedStringKernel.h第30行定义。

公有成员 | |
| 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 () |
| virtual EKernelType | get_kernel_type () |
| virtual const char * | get_name () const |
保护成员 | |
| float64_t | compute (int32_t idx_a, int32_t idx_b) |
保护属性 | |
| int32_t | length |
| int32_t | inner_degree |
| int32_t | outer_degree |
| float64_t * | pyramid_weights |
| 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 |
| 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 |
| ~CSimpleLocalityImprovedStringKernel | ( | ) | [virtual] |
| void cleanup | ( | ) | [virtual] |
| float64_t 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 |
实现了CKernel。
| virtual EKernelType get_kernel_type | ( | ) | [virtual] |
| virtual const char* get_name | ( | ) | const [virtual] |
initialize kernel
| l | features of left-hand side | |
| r | features of right-hand side |
int32_t inner_degree [protected] |
inner degree
int32_t length [protected] |
length
int32_t outer_degree [protected] |
outer degree
float64_t* pyramid_weights [protected] |
pyramid weights