Preprocessor NormOne, normalizes vectors to have norm 1.
Formally, it computes
![\[ {\bf x} \leftarrow \frac{{\bf x}}{||{\bf x}||} \]](form_149.png)
It therefore does not need any initialization. It is most useful to get data onto a ball of radius one.
Definition at line 33 of file NormOne.h.
Public Member Functions | |
| CNormOne () | |
| virtual | ~CNormOne () |
| virtual bool | init (CFeatures *f) |
| initialize preprocessor from features | |
| virtual void | cleanup () |
| cleanup | |
| virtual bool | load (FILE *f) |
| initialize preprocessor from file | |
| virtual bool | save (FILE *f) |
| save preprocessor init-data to file | |
| virtual float64_t * | apply_to_feature_matrix (CFeatures *f) |
| virtual float64_t * | apply_to_feature_vector (float64_t *f, int32_t &len) |
| virtual const char * | get_name () |
| CNormOne | ( | ) |
default constructor
Definition at line 19 of file NormOne.cpp.
| ~CNormOne | ( | ) | [virtual] |
Definition at line 24 of file NormOne.cpp.
apply preproc on feature matrix result in feature matrix return pointer to feature_matrix, i.e. f->get_feature_matrix();
Implements CSimplePreProc< float64_t >.
Definition at line 61 of file NormOne.cpp.
apply preproc on single feature vector result in feature matrix
Implements CSimplePreProc< float64_t >.
Definition at line 78 of file NormOne.cpp.
| void cleanup | ( | ) | [virtual] |
| virtual const char* get_name | ( | void | ) | [virtual] |
| bool init | ( | CFeatures * | f | ) | [virtual] |
initialize preprocessor from features
Implements CPreProc.
Definition at line 29 of file NormOne.cpp.
| bool load | ( | FILE * | f | ) | [virtual] |
initialize preprocessor from file
Definition at line 43 of file NormOne.cpp.
| bool save | ( | FILE * | f | ) | [virtual] |
save preprocessor init-data to file
Definition at line 51 of file NormOne.cpp.
