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src/nnetbin/transf-to-nnet.cc
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// nnetbin/transf-to-nnet.cc
// Copyright 2012 Brno University of Technology
// See ../../COPYING for clarification regarding multiple authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// THIS CODE IS PROVIDED *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
// WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
// MERCHANTABLITY OR NON-INFRINGEMENT.
// See the Apache 2 License for the specific language governing permissions and
// limitations under the License.
#include "base/kaldi-common.h"
#include "util/common-utils.h"
#include "nnet/nnet-nnet.h"
#include "nnet/nnet-linear-transform.h"
int main(int argc, char *argv[]) {
try {
using namespace kaldi;
using namespace kaldi::nnet1;
typedef kaldi::int32 int32;
const char *usage =
"Convert transformation matrix to <affine-transform>
"
"Usage: transf-to-nnet [options] <transf-in> <nnet-out>
"
"e.g.:
"
" transf-to-nnet --binary=false transf.mat nnet.mdl
";
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;
}
}
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