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Commit d386b6ca authored by Dan Povey's avatar Dan Povey
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Adding post-to-phone-post.cc

git-svn-id: https://svn.code.sf.net/p/kaldi/code/trunk@1668 5e6a8d80-dfce-4ca6-a32a-6e07a63d50c8
parent 571d253f
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......@@ -17,7 +17,7 @@ BINFILES = align-equal align-equal-compiled acc-tree-stats \
copy-vector copy-int-vector sum-post sum-matrices draw-tree \
copy-int-vector-vector thresh-post \
align-mapped align-compiled-mapped latgen-faster-mapped \
hmm-info pdf-to-counts analyze-counts extract-ctx
hmm-info pdf-to-counts analyze-counts extract-ctx post-to-phone-post
OBJFILES =
......
......@@ -69,7 +69,7 @@ int main(int argc, char *argv[]) {
for (;!feature_reader.Done(); feature_reader.Next()) {
std::string utt = feature_reader.Key();
if (!posterior_reader.HasKey(utt)) {
KALDI_WARN << "No feaures for utterance " << utt;
KALDI_WARN << "No features for utterance " << utt;
num_fail++;
continue;
}
......
// bin/post-to-phone-post.cc
// Copyright 2012 Johns Hopkins University (author: Daniel Povey)
// 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 "hmm/transition-model.h"
int main(int argc, char *argv[]) {
try {
using namespace kaldi;
typedef kaldi::int32 int32;
const char *usage =
"Convert posteriors to phone-level posteriors\n"
"\n"
"Usage: post-to-phone-post [options] <model> <post-rspecifier> <phone-post-wspecifier>\n"
" e.g.: post-to-phone-post --binary=false 1.mdl \"ark:ali-to-post 1.ali|\" ark,t:-\n";
ParseOptions po(usage);
po.Read(argc, argv);
if (po.NumArgs() != 3) {
po.PrintUsage();
exit(1);
}
std::string model_rxfilename = po.GetArg(1),
post_rspecifier = po.GetArg(2),
phone_post_wspecifier = po.GetArg(3);
kaldi::SequentialPosteriorReader posterior_reader(post_rspecifier);
kaldi::PosteriorWriter posterior_writer(phone_post_wspecifier);
TransitionModel trans_model;
{
bool binary_in;
Input ki(model_rxfilename, &binary_in);
trans_model.Read(ki.Stream(), binary_in);
}
int32 num_done = 0;
for (; !posterior_reader.Done(); posterior_reader.Next()) {
const kaldi::Posterior &posterior = posterior_reader.Value();
int32 num_frames = static_cast<int32>(posterior.size());
kaldi::Posterior phone_posterior(num_frames);
for (int32 i = 0; i < num_frames; i++) {
std::map<int32, BaseFloat> phone_to_post;
for (int32 j = 0; j < static_cast<int32>(posterior[i].size()); j++) {
int32 tid = posterior[i][j].first,
phone = trans_model.TransitionIdToPhone(tid);
BaseFloat post = posterior[i][j].second;
if (phone_to_post.count(phone) == 0)
phone_to_post[phone] = post;
else
phone_to_post[phone] += post;
}
phone_posterior[i].reserve(phone_to_post.size());
for (std::map<int32, BaseFloat>::const_iterator iter =
phone_to_post.begin(); iter != phone_to_post.end(); ++iter) {
phone_posterior[i].push_back(
std::make_pair<int32, BaseFloat>(iter->first, iter->second));
}
}
posterior_writer.Write(posterior_reader.Key(), phone_posterior);
num_done++;
}
KALDI_LOG << "Done converting posterior to phone posteriors for "
<< num_done << " utterances.";
return (num_done != 0 ? 0 : 1);
} catch(const std::exception &e) {
std::cerr << e.what();
return -1;
}
}
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