diff options
| author | redpony <redpony@ec762483-ff6d-05da-a07a-a48fb63a330f> | 2010-10-22 23:29:11 +0000 |
|---|---|---|
| committer | redpony <redpony@ec762483-ff6d-05da-a07a-a48fb63a330f> | 2010-10-22 23:29:11 +0000 |
| commit | dd886ca6da84970ccb96b2f0155ff672e03f5b58 (patch) | |
| tree | 78b5627347f3953539852cdd6b92053e844e87d4 /decoder/aligner.cc | |
| parent | 550019457302ecaaec6f72e912013a6fa9f2da67 (diff) | |
handle translation from the null word
git-svn-id: https://ws10smt.googlecode.com/svn/trunk@689 ec762483-ff6d-05da-a07a-a48fb63a330f
Diffstat (limited to 'decoder/aligner.cc')
| -rw-r--r-- | decoder/aligner.cc | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/decoder/aligner.cc b/decoder/aligner.cc index 92431be4..3f0c7347 100644 --- a/decoder/aligner.cc +++ b/decoder/aligner.cc @@ -24,8 +24,10 @@ void SourceEdgeCoveragesUsingParseIndices(const Hypergraph& g, if (edge.rule_->EWords() == 0 || edge.rule_->FWords() == 0) continue; // aligned to NULL (crf ibm variant only) - if (edge.prev_i_ == -1 || edge.i_ == -1) + if (edge.prev_i_ == -1 || edge.i_ == -1) { + cov.insert(-1); continue; + } assert(edge.j_ >= 0); assert(edge.prev_j_ >= 0); if (edge.Arity() == 0) { @@ -211,7 +213,7 @@ void AlignerTools::WriteAlignment(const Lattice& src_lattice, // figure out the src and reference size; int src_size = src_sent.size(); int ref_size = trg_sent.size(); - Array2D<prob_t> align(src_size, ref_size, prob_t::Zero()); + Array2D<prob_t> align(src_size + 1, ref_size, prob_t::Zero()); for (int c = 0; c < g->edges_.size(); ++c) { const prob_t& p = edge_posteriors[c]; const set<int>& srcs = src_cov[c]; @@ -220,7 +222,7 @@ void AlignerTools::WriteAlignment(const Lattice& src_lattice, si != srcs.end(); ++si) { for (set<int>::const_iterator ti = trgs.begin(); ti != trgs.end(); ++ti) { - align(*si, *ti) += p; + align(*si + 1, *ti) += p; } } } @@ -234,12 +236,12 @@ void AlignerTools::WriteAlignment(const Lattice& src_lattice, for (int j = 0; j < ref_size; ++j) { if (use_soft_threshold) { threshold = prob_t::Zero(); - for (int i = 0; i < src_size; ++i) + for (int i = 0; i <= src_size; ++i) if (align(i, j) > threshold) threshold = align(i, j); //threshold *= prob_t(0.99); } for (int i = 0; i < src_size; ++i) - grid(i, j) = align(i, j) >= threshold; + grid(i, j) = align(i+1, j) >= threshold; } if (out == &cout) { // TODO need to do some sort of verbose flag |