TwvMetricsOptions Struct Reference

#include <kws-scoring.h>

Collaboration diagram for TwvMetricsOptions:

Public Member Functions
	TwvMetricsOptions ()
float	beta () const
void	Register (OptionsItf *opts)

Public Attributes
float	cost_fa
float	value_corr
float	prior_probability
float	score_threshold
float	sweep_step
float	audio_duration

Detailed Description

Definition at line 188 of file kws-scoring.h.

Constructor & Destructor Documentation

TwvMetricsOptions()

TwvMetricsOptions

(

)

Definition at line 290 of file kws-scoring.cc.

                                    : cost_fa(0.1f),
                                        value_corr(1.0f),
                                        prior_probability(1e-4f),
                                        score_threshold(0.5f),
                                        sweep_step(0.05f),
                                        audio_duration(0.0f) {}

Member Function Documentation

beta()

float beta ( ) const

inline

Definition at line 212 of file kws-scoring.h.

                            {
    return (cost_fa/value_corr) * (1.0/prior_probability - 1);
  }

Register()

void Register

(

OptionsItf *

opts

)

Definition at line 297 of file kws-scoring.cc.

References TwvMetricsOptions::cost_fa, TwvMetricsOptions::prior_probability, OptionsItf::Register(), TwvMetricsOptions::score_threshold, TwvMetricsOptions::sweep_step, and TwvMetricsOptions::value_corr.

Referenced by main().

                                                 {
  opts->Register("cost-fa", &cost_fa,
                 "The cost of an incorrect detection");
  opts->Register("value-corr", &value_corr,
                 "The value (gain) of a correct detection");
  opts->Register("prior-kw-probability", &prior_probability,
                 "The prior probability of a keyword");
  opts->Register("score-threshold", &score_threshold,
                 "The score threshold for computation of ATWV");
  opts->Register("sweep-step", &sweep_step,
                 "Size of the bin during sweeping for the oracle measures");

  // We won't set the audio duration here, as it's supposed to be
  // a mandatory argument, not optional
}

Member Data Documentation

audio_duration

float audio_duration

Definition at line 206 of file kws-scoring.h.

Referenced by main().

cost_fa

float cost_fa

Definition at line 191 of file kws-scoring.h.

Referenced by TwvMetricsOptions::Register().

prior_probability

float prior_probability

Definition at line 197 of file kws-scoring.h.

Referenced by TwvMetricsOptions::Register().

score_threshold

float score_threshold

Definition at line 200 of file kws-scoring.h.

Referenced by TwvMetricsOptions::Register().

sweep_step

float sweep_step

Definition at line 203 of file kws-scoring.h.

Referenced by TwvMetricsOptions::Register(), and TwvMetrics::TwvMetrics().

value_corr

float value_corr

Definition at line 194 of file kws-scoring.h.

Referenced by TwvMetricsOptions::Register().

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

• kws/kws-scoring.h
• kws/kws-scoring.cc