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src/bin/est-lda.cc
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// bin/est-lda.cc
// Copyright 2009-2011 Microsoft Corporation
// 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 "transform/lda-estimate.h"
int main(int argc, char *argv[]) {
using namespace kaldi;
typedef kaldi::int32 int32;
try {
const char *usage =
"Estimate LDA transform using stats obtained with acc-lda.
"
"Usage: est-lda [options] <lda-matrix-out> <lda-acc-1> <lda-acc-2> ...
";
bool binary = true;
std::string full_matrix_wxfilename;
LdaEstimateOptions opts;
ParseOptions po(usage);
po.Register("binary", &binary, "Write matrix in binary mode.");
po.Register("write-full-matrix", &full_matrix_wxfilename,
"Write full LDA matrix to this location.");
opts.Register(&po);
po.Read(argc, argv);
if (po.NumArgs() < 2) {
po.PrintUsage();
exit(1);
}
LdaEstimate lda;
std::string lda_mat_wxfilename = po.GetArg(1);
for (int32 i = 2; i <= po.NumArgs(); i++) {
bool binary_in, add = true;
Input ki(po.GetArg(i), &binary_in);
lda.Read(ki.Stream(), binary_in, add);
}
Matrix<BaseFloat> lda_mat;
Matrix<BaseFloat> full_lda_mat;
lda.Estimate(opts, &lda_mat, &full_lda_mat);
WriteKaldiObject(lda_mat, lda_mat_wxfilename, binary);
if (full_matrix_wxfilename != "") {
Output ko(full_matrix_wxfilename, binary);
full_lda_mat.Write(ko.Stream(), binary);
}
return 0;
} catch(const std::exception &e) {
std::cerr << e.what();
return -1;
}
}
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