gmm-global-info.cc
Go to the documentation of this file.
1 // gmmbin/gmm-global-info.cc
2 
3 // Copyright 2012-2013 Johns Hopkins University (Author: Daniel Povey)
4 
5 // See ../../COPYING for clarification regarding multiple authors
6 //
7 // Licensed under the Apache License, Version 2.0 (the "License");
8 // you may not use this file except in compliance with the License.
9 // You may obtain a copy of the License at
10 //
11 // http://www.apache.org/licenses/LICENSE-2.0
12 //
13 // THIS CODE IS PROVIDED *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
14 // KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
15 // WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
16 // MERCHANTABLITY OR NON-INFRINGEMENT.
17 // See the Apache 2 License for the specific language governing permissions and
18 // limitations under the License.
19 
20 #include "base/kaldi-common.h"
21 #include "util/common-utils.h"
22 #include "gmm/diag-gmm.h"
23 #include "hmm/transition-model.h"
24 
25 int main(int argc, char *argv[]) {
26  try {
27  using namespace kaldi;
28  typedef kaldi::int32 int32;
29 
30  const char *usage =
31  "Write to standard output various properties of GMM model\n"
32  "This is for a single diagonal GMM, e.g. as used for a UBM.\n"
33  "Usage: gmm-global-info [options] <gmm>\n"
34  "e.g.:\n"
35  " gmm-global-info 1.dubm\n"
36  "See also: gmm-info, am-info\n";
37 
38  ParseOptions po(usage);
39 
40  po.Read(argc, argv);
41 
42  if (po.NumArgs() != 1) {
43  po.PrintUsage();
44  exit(1);
45  }
46 
47  std::string model_rxfilename = po.GetArg(1);
48 
49  DiagGmm gmm;
50  ReadKaldiObject(model_rxfilename, &gmm);
51 
52  std::cout << "number of gaussians " << gmm.NumGauss() << '\n';
53  std::cout << "feature dimension " << gmm.Dim() << '\n';
54  return 0;
55  } catch(const std::exception &e) {
56  std::cerr << e.what() << '\n';
57  return -1;
58  }
59 }
60 
61 
This code computes Goodness of Pronunciation (GOP) and extracts phone-level pronunciation feature for...
Definition: chain.dox:20
int32 Dim() const
Returns the dimensionality of the Gaussian mean vectors.
Definition: diag-gmm.h:74
void PrintUsage(bool print_command_line=false)
Prints the usage documentation [provided in the constructor].
kaldi::int32 int32
void ReadKaldiObject(const std::string &filename, Matrix< float > *m)
Definition: kaldi-io.cc:832
int main(int argc, char *argv[])
The class ParseOptions is for parsing command-line options; see Parsing command-line options for more...
Definition: parse-options.h:36
int Read(int argc, const char *const *argv)
Parses the command line options and fills the ParseOptions-registered variables.
std::string GetArg(int param) const
Returns one of the positional parameters; 1-based indexing for argc/argv compatibility.
int32 NumGauss() const
Returns the number of mixture components in the GMM.
Definition: diag-gmm.h:72
int NumArgs() const
Number of positional parameters (c.f. argc-1).
Definition for Gaussian Mixture Model with diagonal covariances.
Definition: diag-gmm.h:42