13 #ifndef MLPACK_METHODS_LOCAL_COORDINATE_CODING_LCC_HPP
14 #define MLPACK_METHODS_LOCAL_COORDINATE_CODING_LCC_HPP
20 #include "../sparse_coding/nothing_initializer.hpp"
21 #include "../sparse_coding/data_dependent_random_initializer.hpp"
22 #include "../sparse_coding/random_initializer.hpp"
103 typename DictionaryInitializer =
109 const size_t maxIterations = 0,
110 const double tolerance = 0.01,
111 const DictionaryInitializer& initializer =
112 DictionaryInitializer());
127 const size_t maxIterations = 0,
128 const double tolerance = 0.01);
139 typename DictionaryInitializer =
142 void Train(
const arma::mat& data,
143 const DictionaryInitializer& initializer =
144 DictionaryInitializer());
152 void Encode(
const arma::mat& data, arma::mat& codes);
162 const arma::mat& codes,
163 const arma::uvec& adjacencies);
169 const arma::mat& codes,
170 const arma::uvec& adjacencies)
const;
173 size_t Atoms()
const {
return atoms; }
198 template<
typename Archive>
199 void Serialize(Archive& ar,
const unsigned int );
206 arma::mat dictionary;
212 size_t maxIterations;
221 #include "lcc_impl.hpp"
double & Lambda()
Modify the L1 regularization parameter.
void Serialize(Archive &ar, const unsigned int)
Serialize the model.
double & Tolerance()
Modify the objective tolerance.
The core includes that mlpack expects; standard C++ includes and Armadillo.
void Encode(const arma::mat &data, arma::mat &codes)
Code each point via distance-weighted LARS.
size_t & Atoms()
Modify the number of atoms.
double Lambda() const
Get the L1 regularization parameter.
A data-dependent random dictionary initializer for SparseCoding.
arma::mat & Dictionary()
Mutator for dictionary.
void Train(const arma::mat &data, const DictionaryInitializer &initializer=DictionaryInitializer())
Run local coordinate coding.
size_t MaxIterations() const
Get the maximum number of iterations.
An implementation of Local Coordinate Coding (LCC) that codes data which approximately lives on a man...
double Objective(const arma::mat &data, const arma::mat &codes, const arma::uvec &adjacencies) const
Compute objective function given the list of adjacencies.
void OptimizeDictionary(const arma::mat &data, const arma::mat &codes, const arma::uvec &adjacencies)
Learn dictionary by solving linear system.
const arma::mat & Dictionary() const
Accessor for dictionary.
size_t Atoms() const
Get the number of atoms.
double Tolerance() const
Get the objective tolerance.
size_t & MaxIterations()
Modify the maximum number of iterations.
LocalCoordinateCoding(const arma::mat &data, const size_t atoms, const double lambda, const size_t maxIterations=0, const double tolerance=0.01, const DictionaryInitializer &initializer=DictionaryInitializer())
Set the parameters to LocalCoordinateCoding, and train the dictionary.