pfsg-from-ngram

这是一款很好用的工具包

#!/bin/sh
#
# pfsg-from-ngram --
#	Convert a bigram or trigram into a Decipher PFSG
#
# This is a wrapper that takes care of
# - eliminating low probability transitions that the recognizer would never use
# - renormalizing the LM
# - converting to PFSG
# - adding pauses between words
#
# $Header: /home/srilm/devel/utils/src/RCS/pfsg-from-ngram,v 1.3 2000/02/04 00:20:32 stolcke Exp $
#

# get LM from first argument, pass rest to ngram
# default LM is stdin
lm=${1--}
test $# -gt 0 && shift

ngram -debug 1 -prune-lowprobs -lm "$lm" "$@" -write-lm - | \
make-ngram-pfsg | \
add-pauses-to-pfsg