mlpack_sparse_coding_DataDependentRandomInitializer (3)

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.

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 35 of file data_dependent_random_initializer.hpp.

static void mlpack::sparse_coding::DataDependentRandomInitializer::Initialize (const arma::mat &data, const size_tatoms, arma::mat &dictionary)\fC [inline]\fP, \fC [static]\fP

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:

data Dataset to initialize the dictionary with.

atoms Number of atoms in dictionary.

dictionary Dictionary to initialize.

Definition at line 47 of file data_dependent_random_initializer.hpp.

References mlpack::math::RandInt().

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