From b33b3a6732c6b6a66bd5c44c615be56d66f4ed67 Mon Sep 17 00:00:00 2001 From: Yimmon Zhuang Date: Wed, 14 Oct 2015 15:37:20 +0800 Subject: support kaldi decoder --- kaldi_decode/local/score.sh | 67 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 67 insertions(+) create mode 100755 kaldi_decode/local/score.sh (limited to 'kaldi_decode/local') diff --git a/kaldi_decode/local/score.sh b/kaldi_decode/local/score.sh new file mode 100755 index 0000000..b18f350 --- /dev/null +++ b/kaldi_decode/local/score.sh @@ -0,0 +1,67 @@ +#!/bin/bash +# Copyright 2012 Johns Hopkins University (Author: Daniel Povey) +# Apache 2.0 + +[ -f ./path.sh ] && . ./path.sh + +# begin configuration section. +cmd=run.pl +stage=0 +decode_mbr=true +reverse=false +word_ins_penalty=0.0 +min_lmwt=5 +max_lmwt=20 +#end configuration section. + +[ -f ./path.sh ] && . ./path.sh +. parse_options.sh || exit 1; + +if [ $# -ne 3 ]; then + echo "Usage: local/score.sh [--cmd (run.pl|queue.pl...)] " + 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 " --decode_mbr (true/false) # maximum bayes risk decoding (confusion network)." + echo " --min_lmwt # minumum LM-weight for lattice rescoring " + echo " --max_lmwt # maximum LM-weight for lattice rescoring " + echo " --reverse (true/false) # score with time reversed features " + exit 1; +fi + +data=$1 +lang_or_graph=$2 +dir=$3 + +symtab=$lang_or_graph/words.txt + +for f in $symtab $dir/lat.1.gz $data/text; do + [ ! -f $f ] && echo "score.sh: no such file $f" && exit 1; +done + +mkdir -p $dir/scoring/log + +cat $data/text | sed 's:::g' | sed 's:::g' > $dir/scoring/test_filt.txt + +$cmd LMWT=$min_lmwt:$max_lmwt $dir/scoring/log/best_path.LMWT.log \ + lattice-scale --inv-acoustic-scale=LMWT "ark:gunzip -c $dir/lat.*.gz|" ark:- \| \ + lattice-add-penalty --word-ins-penalty=$word_ins_penalty ark:- ark:- \| \ + lattice-best-path --word-symbol-table=$symtab \ + ark:- ark,t:$dir/scoring/LMWT.tra || exit 1; + +if $reverse; then + for lmwt in `seq $min_lmwt $max_lmwt`; do + mv $dir/scoring/$lmwt.tra $dir/scoring/$lmwt.tra.orig + awk '{ printf("%s ",$1); for(i=NF; i>1; i--){ printf("%s ",$i); } printf("\n"); }' \ + <$dir/scoring/$lmwt.tra.orig >$dir/scoring/$lmwt.tra + done +fi + +# Note: the double level of quoting for the sed command +$cmd LMWT=$min_lmwt:$max_lmwt $dir/scoring/log/score.LMWT.log \ + cat $dir/scoring/LMWT.tra \| \ + utils/int2sym.pl -f 2- $symtab \| sed 's:\::g' \| \ + compute-wer --text --mode=present \ + ark:$dir/scoring/test_filt.txt ark,p:- ">&" $dir/wer_LMWT || exit 1; + +exit 0; -- cgit v1.2.3-70-g09d2