DataDependentRandomInitializer Class Reference

A data-dependent random dictionary initializer for SparseCoding. More...

Static Public Member Functions

static void Initialize (const arma::mat &data, const size_t atoms, arma::mat &dictionary)
 Initialize the dictionary by adding together three random observations from the data, and then normalizing the atom. More...

 

Detailed Description

A data-dependent random dictionary initializer for SparseCoding.

This creates random dictionary atoms by adding three random observations from the data together, and then normalizing the atom.

Definition at line 26 of file data_dependent_random_initializer.hpp.

Member Function Documentation

◆ Initialize()

static void Initialize ( const arma::mat &  data,
const size_t  atoms,
arma::mat &  dictionary 
)
inlinestatic

Initialize the dictionary by adding together three random observations from the data, and then normalizing the atom.

This implementation is simple enough to be included with the definition.

Parameters
dataDataset to initialize the dictionary with.
atomsNumber of atoms in dictionary.
dictionaryDictionary to initialize.

Definition at line 38 of file data_dependent_random_initializer.hpp.

References mlpack::math::RandInt().


The documentation for this class was generated from the following file: