score_basic.sh
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#!/bin/bash
# Copyright Johns Hopkins University (Author: Daniel Povey) 2012. Apache 2.0.
# begin configuration section.
cmd=run.pl
min_lmwt=5
max_lmwt=20
reverse=false
#end configuration section.
[ -f ./path.sh ] && . ./path.sh
. parse_options.sh || exit 1;
if [ $# -ne 3 ]; then
echo "Usage: local/score_basic.sh [--cmd (run.pl|queue.pl...)] <data-dir> <lang-dir|graph-dir> <decode-dir>"
echo " Options:"
echo " --cmd (run.pl|queue.pl...) # specify how to run the sub-processes."
echo " --min_lmwt <int> # minumum LM-weight for lattice rescoring "
echo " --max_lmwt <int> # maximum LM-weight for lattice rescoring "
echo " --reverse (true/false) # score with time reversed features "
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/../final.mdl # assume model one level up from decoding dir.
hubscr=$KALDI_ROOT/tools/sctk-2.4.0/bin/hubscr.pl
[ ! -f $hubscr ] && echo "Cannot find scoring program at $hubscr" && exit 1;
hubdir=`dirname $hubscr`
for f in $data/text $lang/words.txt $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
function filter_text {
perl -e 'foreach $w (@ARGV) { $bad{$w} = 1; }
while(<STDIN>) { @A = split(" ", $_); $id = shift @A; print "$id ";
foreach $a (@A) { if (!defined $bad{$a}) { print "$a "; }} print "\n"; }' \
'[NOISE]' '[LAUGHTER]' '[VOCALIZED-NOISE]' '<UNK>' '%HESITATION'
}
$cmd LMWT=$min_lmwt:$max_lmwt $dir/scoring/log/best_path.LMWT.log \
lattice-best-path --lm-scale=LMWT --word-symbol-table=$lang/words.txt \
"ark:gunzip -c $dir/lat.*.gz|" ark,t:$dir/scoring/LMWT.tra || exit 1;
for lmwt in `seq $min_lmwt $max_lmwt`; do
utils/int2sym.pl -f 2- $lang/words.txt <$dir/scoring/$lmwt.tra | \
filter_text > $dir/scoring/$lmwt.txt || exit 1;
if $reverse; then
mv $dir/scoring/$lmwt.txt $dir/scoring/$lmwt.txt.orig
awk '{ printf("%s ",$1); for(i=NF; i>1; i--){ printf("%s ",$i); } printf("\n"); }' \
<$dir/scoring/$lmwt.txt.orig >$dir/scoring/$lmwt.txt
fi
done
filter_text <$data/text >$dir/scoring/text.filt
$cmd LMWT=$min_lmwt:$max_lmwt $dir/scoring/log/score.LMWT.log \
compute-wer --text --mode=present \
ark:$dir/scoring/text.filt ark:$dir/scoring/LMWT.txt ">&" $dir/wer_LMWT || exit 1;
exit 0