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Set the acoustic scale properly when generating e2e chain alignments for OCR tasks #2579

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Merged
danpovey merged 4 commits into from
Jul 27, 2018
Merged

Set the acoustic scale properly when generating e2e chain alignments for OCR tasks #2579

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ea91d5b
Fix to use the integer id of the sil phone in add_final_optional_sile…
hhadian Jul 12, 2018
d86bae0
Some cosmetic fixes in Madcat Arabic scripts
hhadian Jul 12, 2018
1f30019
Merge remote-tracking branch 'upstream/master' into fix_bpe
hhadian Jul 27, 2018
6e5c370
Fix a bug RE generating e2e chain alignments for OCR tasks
hhadian Jul 27, 2018
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5 changes: 3 additions & 2 deletions egs/iam/v1/run_end2end.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -14,7 +14,7 @@ iam_database=/export/corpora5/handwriting_ocr/IAM
# wellington_database points to the database path on the JHU grid. The Wellington
# corpus contains two directories WWC and WSC (Wellington Written and Spoken Corpus).
# This corpus is of written NZ English that can be purchased here:
# "https://www.victoria.ac.nz/lals/resources/corpora-default"
# "https://www.victoria.ac.nz/lals/resources/corpora-default"
wellington_database=/export/corpora5/Wellington/WWC/

. ./cmd.sh ## You'll want to change cmd.sh to something that will work on your system.
Expand Down Expand Up @@ -90,7 +90,8 @@ fi
if [ $stage -le 5 ]; then
echo "$0: Aligning the training data using the e2e chain model..."
steps/nnet3/align.sh --nj 50 --cmd "$cmd" \
--scale-opts '--transition-scale=1.0 --self-loop-scale=1.0' \
--use-gpu false \
--scale-opts '--transition-scale=1.0 --self-loop-scale=1.0 --acoustic-scale=1.0' \
data/train data/lang exp/chain/e2e_cnn_1a exp/chain/e2e_ali_train
fi

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3 changes: 2 additions & 1 deletion egs/madcat_ar/v1/run_end2end.sh
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Expand Up @@ -116,7 +116,8 @@ if [ $stage -le 8 ]; then
echo "$0: Aligning the training data using the e2e chain model..."
echo "Date: $(date)."
steps/nnet3/align.sh --nj $nj --cmd "$cmd" \
--scale-opts '--transition-scale=1.0 --self-loop-scale=1.0' \
--use-gpu false \
--scale-opts '--transition-scale=1.0 --self-loop-scale=1.0 --acoustic-scale=1.0' \
data/train data/lang exp/chain/e2e_cnn_1a exp/chain/e2e_ali_train
fi

Expand Down