IvectorExtractorEstimationOptions Struct Reference

Options for training the IvectorExtractor, e.g. variance flooring. More...

#include <ivector-extractor.h>

Collaboration diagram for IvectorExtractorEstimationOptions:

Public Member Functions
	IvectorExtractorEstimationOptions ()
void	Register (OptionsItf *opts)

Public Attributes
double	variance_floor_factor
double	gaussian_min_count
int32	num_threads
bool	diagonalize

Detailed Description

Options for training the IvectorExtractor, e.g. variance flooring.

Definition at line 454 of file ivector-extractor.h.

Constructor & Destructor Documentation

IvectorExtractorEstimationOptions()

IvectorExtractorEstimationOptions ( )

inline

Definition at line 459 of file ivector-extractor.h.

                                     : variance_floor_factor(0.1),
                                       gaussian_min_count(100.0),
                                       diagonalize(true) { }

Member Function Documentation

Register()

void Register ( OptionsItf *  opts )

inline

Definition at line 462 of file ivector-extractor.h.

References OptionsItf::Register().

Referenced by main().

                                  {
    opts->Register("variance-floor-factor", &variance_floor_factor,
                   "Factor that determines variance flooring (we floor each covar "
                   "to this times global average covariance");
    opts->Register("gaussian-min-count", &gaussian_min_count,
                   "Minimum total count per Gaussian, below which we refuse to "
                   "update any associated parameters.");
    opts->Register("diagonalize", &diagonalize,
                   "If true, diagonalize the quadratic term in the "
                   "objective function. This reorders the ivector dimensions "
                   "from most to least important.");
  }

Member Data Documentation

diagonalize

bool diagonalize

Definition at line 458 of file ivector-extractor.h.

Referenced by IvectorExtractorStats::UpdatePrior().

gaussian_min_count

double gaussian_min_count

Definition at line 456 of file ivector-extractor.h.

Referenced by kaldi::UnitTestIvectorExtractor(), IvectorExtractorStats::UpdateProjection(), and IvectorExtractorStats::UpdateVariances().

num_threads

int32 num_threads

Definition at line 457 of file ivector-extractor.h.

variance_floor_factor

double variance_floor_factor

Definition at line 455 of file ivector-extractor.h.

Referenced by IvectorExtractorStats::UpdateVariances().

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

• ivector/ivector-extractor.h