Blame view
egs/wsj/s5/steps/conf/get_ctm_conf.sh
3.99 KB
8dcb6dfcb
first commit
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 |
#!/bin/bash
# Copyright Johns Hopkins University (Author: Daniel Povey) 2012. Apache 2.0.
# This script produces CTM files from a decoding directory that has lattices
# present. This version gives you confidence scores using MBR decoding.
# See also steps/get_ctm.sh
# begin configuration section.
cmd=run.pl
stage=0
min_lmwt=5
max_lmwt=20
use_segments=true # if we have a segments file, use it to convert
# the segments to be relative to the original files.
iter=final
beam=5 # pruning beam before MBR decoding
#end configuration section.
echo "$0 $@" # Print the command line for logging
[ -f ./path.sh ] && . ./path.sh
. parse_options.sh || exit 1;
if [ $# -ne 3 ]; then
echo "This script produces CTM files from a decoding directory that has lattices "
echo "present. This version gives you confidence scores using MBR decoding."
echo "Usage: $0 [options] <data-dir> <lang-dir|graph-dir> <decode-dir>"
echo " Options:"
echo " --cmd (run.pl|queue.pl...) # specify how to run the sub-processes."
echo " --stage (0|1|2) # start scoring script from part-way through."
echo " --use-segments (true|false) # use segments and reco2file_and_channel files "
echo " # to produce a ctm relative to the original audio"
echo " # files, with channel information (typically needed"
echo " # for NIST scoring)."
echo "e.g.:"
echo "$0 data/train data/lang exp/tri4a/decode/"
echo "See also: steps/get_ctm.sh, steps/get_ctm_conf_fast.sh"
exit 1;
fi
data=$1
lang=$2 # Note: may be graph directory not lang directory, but has the necessary stuff copied.
dir=$3
model=$dir/../$iter.mdl # assume model one level up from decoding dir.
for f in $lang/words.txt $model $dir/lat.1.gz; do
[ ! -f $f ] && echo "$0: expecting file $f to exist" && exit 1;
done
name=`basename $data`; # e.g. eval2000
mkdir -p $dir/scoring/log
frame_shift_opt=
if [ -f $dir/../frame_shift ]; then
frame_shift_opt="--frame-shift=$(cat $dir/../frame_shift)"
echo "$0: $dir/../frame_shift exists, using $frame_shift_opt"
elif [ -f $dir/../frame_subsampling_factor ]; then
factor=$(cat $dir/../frame_subsampling_factor) || exit 1
frame_shift_opt="--frame-shift=0.0$factor"
echo "$0: $dir/../frame_subsampling_factor exists, using $frame_shift_opt"
fi
if [ $stage -le 0 ]; then
if [ -f $data/segments ] && $use_segments; then
f=$data/reco2file_and_channel
[ ! -f $f ] && echo "$0: expecting file $f to exist" && exit 1;
filter_cmd="utils/convert_ctm.pl $data/segments $data/reco2file_and_channel"
else
filter_cmd=cat
fi
nj=$(cat $dir/num_jobs)
lats=$(for n in $(seq $nj); do echo -n "$dir/lat.$n.gz "; done)
if [ -f $lang/phones/word_boundary.int ]; then
$cmd LMWT=$min_lmwt:$max_lmwt $dir/scoring/log/get_ctm.LMWT.log \
set -o pipefail '&&' mkdir -p $dir/score_LMWT/ '&&' \
lattice-prune --inv-acoustic-scale=LMWT --beam=$beam "ark:gunzip -c $lats|" ark:- \| \
lattice-align-words $lang/phones/word_boundary.int $model ark:- ark:- \| \
lattice-to-ctm-conf $frame_shift_opt --decode-mbr=true --inv-acoustic-scale=LMWT ark:- - \| \
utils/int2sym.pl -f 5 $lang/words.txt \| \
$filter_cmd '>' $dir/score_LMWT/$name.ctm || exit 1;
else
if [ ! -f $lang/phones/align_lexicon.int ]; then
echo "$0: neither $lang/phones/word_boundary.int nor $lang/phones/align_lexicon.int exists: cannot align."
exit 1;
fi
$cmd LMWT=$min_lmwt:$max_lmwt $dir/scoring/log/get_ctm.LMWT.log \
set -o pipefail '&&' mkdir -p $dir/score_LMWT/ '&&' \
lattice-prune --inv-acoustic-scale=LMWT --beam=$beam "ark:gunzip -c $lats|" ark:- \| \
lattice-align-words-lexicon $lang/phones/align_lexicon.int $model ark:- ark:- \| \
lattice-to-ctm-conf $frame_shift_opt --decode-mbr=true --inv-acoustic-scale=LMWT ark:- - \| \
utils/int2sym.pl -f 5 $lang/words.txt \| \
$filter_cmd '>' $dir/score_LMWT/$name.ctm || exit 1;
fi
fi
|