the class KernelLocallyLinearEmbedding used to preprocess data using kernel extension of Locally Linear Embedding algorithm as described in
Decoste, D. (2001). Visualizing Mercer Kernel Feature Spaces Via Kernelized Locally-Linear Embeddings. The 8th International Conference on Neural Information Processing ICONIP2001
It is optimized with alignment formulation as described in
Zhao, D. (2006). Formulating LLE using alignment technique. Pattern Recognition, 39(11), 2233-2235. Retrieved from http://linkinghub.elsevier.com/retrieve/pii/S0031320306002160
Definition at line 42 of file KernelLocallyLinearEmbedding.h.
Public Member Functions | |
| CKernelLocallyLinearEmbedding () | |
| CKernelLocallyLinearEmbedding (CKernel *kernel) | |
| virtual | ~CKernelLocallyLinearEmbedding () |
| virtual CFeatures * | apply (CFeatures *features) |
| CSimpleFeatures< float64_t > * | embed_kernel (CKernel *kernel) |
| virtual const char * | get_name () const |
Protected Member Functions | |
| virtual SGMatrix< float64_t > | construct_weight_matrix (SGMatrix< float64_t > kernel_matrix, SGMatrix< int32_t > neighborhood_matrix) |
| HELPERS. | |
| virtual SGMatrix< int32_t > | get_neighborhood_matrix (SGMatrix< float64_t > kernel_matrix, int32_t k) |
Static Protected Member Functions | |
| static void * | run_neighborhood_thread (void *p) |
| THREADS. | |
| static void * | run_linearreconstruction_thread (void *p) |
constructor
Definition at line 75 of file KernelLocallyLinearEmbedding.cpp.
| CKernelLocallyLinearEmbedding | ( | CKernel * | kernel | ) |
constructor
| kernel | kernel to be used |
Definition at line 80 of file KernelLocallyLinearEmbedding.cpp.
| ~CKernelLocallyLinearEmbedding | ( | ) | [virtual] |
destructor
Definition at line 91 of file KernelLocallyLinearEmbedding.cpp.
apply
Reimplemented from CLocallyLinearEmbedding.
Definition at line 95 of file KernelLocallyLinearEmbedding.cpp.
| SGMatrix< float64_t > construct_weight_matrix | ( | SGMatrix< float64_t > | kernel_matrix, | |
| SGMatrix< int32_t > | neighborhood_matrix | |||
| ) | [protected, virtual] |
HELPERS.
construct weight matrix
Reimplemented in CKernelLocalTangentSpaceAlignment.
Definition at line 129 of file KernelLocallyLinearEmbedding.cpp.
| CSimpleFeatures< float64_t > * embed_kernel | ( | CKernel * | kernel | ) |
embed kernel (kernel should be inited)
| kernel | kernel to construct embed |
Definition at line 115 of file KernelLocallyLinearEmbedding.cpp.
| const char * get_name | ( | ) | const [virtual] |
get name
Reimplemented from CLocallyLinearEmbedding.
Reimplemented in CKernelLocalTangentSpaceAlignment.
Definition at line 86 of file KernelLocallyLinearEmbedding.cpp.
| SGMatrix< int32_t > get_neighborhood_matrix | ( | SGMatrix< float64_t > | kernel_matrix, | |
| int32_t | k | |||
| ) | [protected, virtual] |
construct neighborhood matrix by kernel matrix
| kernel_matrix | kernel matrix to be used | |
| k | k |
Reimplemented from CLocallyLinearEmbedding.
Definition at line 265 of file KernelLocallyLinearEmbedding.cpp.
| void * run_linearreconstruction_thread | ( | void * | p | ) | [static, protected] |
runs linear reconstruction thread
| p | thread params |
Reimplemented from CLocallyLinearEmbedding.
Definition at line 195 of file KernelLocallyLinearEmbedding.cpp.
| void * run_neighborhood_thread | ( | void * | p | ) | [static, protected] |
THREADS.
runs neighborhood determination thread
| p | thread params |
Reimplemented from CLocallyLinearEmbedding.
Definition at line 324 of file KernelLocallyLinearEmbedding.cpp.
