transf-to-nnet.cc File Reference

#include "base/kaldi-common.h"
#include "util/common-utils.h"
#include "nnet/nnet-nnet.h"
#include "nnet/nnet-linear-transform.h"

Include dependency graph for transf-to-nnet.cc:

Go to the source code of this file.

Functions
int	main (int argc, char *argv[])

Function Documentation

main()

int main	(	int	argc,
		char *	argv[]
	)

Definition at line 25 of file transf-to-nnet.cc.

References Nnet::AppendComponent(), ParseOptions::GetArg(), KALDI_LOG, ParseOptions::NumArgs(), MatrixBase< Real >::NumCols(), MatrixBase< Real >::NumRows(), ParseOptions::PrintUsage(), ParseOptions::Read(), Matrix< Real >::Read(), ParseOptions::Register(), LinearTransform::SetLinearity(), Output::Stream(), Input::Stream(), and Nnet::Write().

                                 {
  try {
    using namespace kaldi;
    using namespace kaldi::nnet1;
    typedef kaldi::int32 int32;

    const char *usage =
        "Convert transformation matrix to <affine-transform>\n"
        "Usage:  transf-to-nnet [options] <transf-in> <nnet-out>\n"
        "e.g.:\n"
        " transf-to-nnet --binary=false transf.mat nnet.mdl\n";

    bool binary_write = false;

    ParseOptions po(usage);
    po.Register("binary", &binary_write, "Write output in binary mode");

    po.Read(argc, argv);

    if (po.NumArgs() != 2) {
      po.PrintUsage();
      exit(1);
    }

    std::string transform_rxfilename = po.GetArg(1),
        model_out_filename = po.GetArg(2);

    // read the matrix,
    Matrix<BaseFloat> transform;
    {
      bool binary_read;
      Input ki(transform_rxfilename, &binary_read);
      transform.Read(ki.Stream(), binary_read);
    }

    // wrapping as Nnet with <LinearTransform>,
    Nnet nnet;
    LinearTransform lin_tran(transform.NumCols(), transform.NumRows());
    lin_tran.SetLinearity(transform);
    nnet.AppendComponent(lin_tran);

    // write the nnet,
    {
      Output ko(model_out_filename, binary_write);
      nnet.Write(ko.Stream(), binary_write);
      KALDI_LOG << "Written transform in 'nnet1' model: " << model_out_filename;
    }
    return 0;
  } catch(const std::exception &e) {
    std::cerr << e.what();
    return -1;
  }
}