Assert failed:in file weightmatrix.cpp, line 249

[Kristóf Horváth]

Im using Cygwin (64, on win10) to compile tesseract and  I ran the following commands and got the following error:

kh@DSAD-6 /usr/share/tessdata

$ tesstrain.sh --fonts_dir /usr/share/fonts --fontlist "Arial" "Impact Condensed" --lang eng --linedata_only --noextract_font_properties --langdata_dir ~/langdata/ --tessdata_dir ./ --output_dir ~/tesstutorial/engtrain

=== Starting training for language 'eng'

[Mon, Feb 4, 2019 1:17:48 PM] /usr/bin/text2image --fonts_dir=/usr/share/fonts --font=Arial --outputbase=/tmp/font_tmp.bEkR4qa83g/sample_text.txt --text=/tmp/font_tmp.bEkR4qa83g/sample_text.txt --fontconfig_tmpdir=/tmp/font_tmp.bEkR4qa83g

Rendered page 0 to file /tmp/font_tmp.bEkR4qa83g/sample_text.txt.tif

=== Phase I: Generating training images ===

Rendering using Arial

[Mon, Feb 4, 2019 1:17:51 PM] /usr/bin/text2image --fontconfig_tmpdir=/tmp/font_tmp.bEkR4qa83g --fonts_dir=/usr/share/fonts --strip_unrenderable_words --leading=32 --xsize=3600 --char_spacing=0.0 --exposure=0 --outputbase=/tmp/eng-2019-02-04.pCA/eng.Arial.exp0 --max_pages=0 --font=Arial --text=/home/kh/langdata//eng/eng.training_text

Rendering using Impact Condensed

Rendered page 0 to file /tmp/eng-2019-02-04.pCA/eng.Arial.exp0.tif

[Mon, Feb 4, 2019 1:17:52 PM] /usr/bin/text2image --fontconfig_tmpdir=/tmp/font_tmp.bEkR4qa83g --fonts_dir=/usr/share/fonts --strip_unrenderable_words --leading=32 --xsize=3600 --char_spacing=0.0 --exposure=0 --outputbase=/tmp/eng-2019-02-04.pCA/eng.Impact_Condensed.exp0 --max_pages=0 --font=Impact Condensed --text=/home/kh/langdata//eng/eng.training_text

Rendered page 1 to file /tmp/eng-2019-02-04.pCA/eng.Arial.exp0.tif

Rendered page 0 to file /tmp/eng-2019-02-04.pCA/eng.Impact_Condensed.exp0.tif

Rendered page 1 to file /tmp/eng-2019-02-04.pCA/eng.Impact_Condensed.exp0.tif

=== Phase UP: Generating unicharset and unichar properties files ===

[Mon, Feb 4, 2019 1:17:55 PM] /usr/bin/unicharset_extractor --output_unicharset /tmp/eng-2019-02-04.pCA/eng.unicharset --norm_mode 1 /tmp/eng-2019-02-04.pCA/eng.Arial.exp0.box /tmp/eng-2019-02-04.pCA/eng.Impact_Condensed.exp0.box

Extracting unicharset from box file /tmp/eng-2019-02-04.pCA/eng.Arial.exp0.box

Extracting unicharset from box file /tmp/eng-2019-02-04.pCA/eng.Impact_Condensed.exp0.box

Other case É of é is not in unicharset

Wrote unicharset file /tmp/eng-2019-02-04.pCA/eng.unicharset

[Mon, Feb 4, 2019 1:17:55 PM] /usr/bin/set_unicharset_properties -U /tmp/eng-2019-02-04.pCA/eng.unicharset -O /tmp/eng-2019-02-04.pCA/eng.unicharset -X /tmp/eng-2019-02-04.pCA/eng.xheights --script_dir=/home/kh/langdata/

Loaded unicharset of size 111 from file /tmp/eng-2019-02-04.pCA/eng.unicharset

Setting unichar properties

Other case É of é is not in unicharset

Setting script properties

Warning: properties incomplete for index 25 = ~

Writing unicharset to file /tmp/eng-2019-02-04.pCA/eng.unicharset

=== Phase E: Generating lstmf files ===

Using TESSDATA_PREFIX=./

[Mon, Feb 4, 2019 1:17:56 PM] /usr/local/bin/tesseract /tmp/eng-2019-02-04.pCA/eng.Arial.exp0.tif /tmp/eng-2019-02-04.pCA/eng.Arial.exp0 --psm 6 lstm.train

[Mon, Feb 4, 2019 1:17:56 PM] /usr/local/bin/tesseract /tmp/eng-2019-02-04.pCA/eng.Impact_Condensed.exp0.tif /tmp/eng-2019-02-04.pCA/eng.Impact_Condensed.exp0 --psm 6 lstm.train

Tesseract Open Source OCR Engine v4.0.0 with Leptonica

Page 1

Tesseract Open Source OCR Engine v4.0.0 with Leptonica

Page 1

Page 2

Page 2

Loaded 49/49 pages (1-49) of document /tmp/eng-2019-02-04.pCA/eng.Impact_Condensed.exp0.lstmf

Loaded 52/52 pages (1-52) of document /tmp/eng-2019-02-04.pCA/eng.Arial.exp0.lstmf

=== Constructing LSTM training data ===

[Mon, Feb 4, 2019 1:17:57 PM] /usr/bin/combine_lang_model --input_unicharset /tmp/eng-2019-02-04.pCA/eng.unicharset --script_dir /home/kh/langdata/ --words /home/kh/langdata//eng/eng.wordlist --numbers /home/kh/langdata//eng/eng.numbers --puncs /home/kh/langdata//eng/eng.punc --output_dir /home/kh/tesstutorial/engtrain --lang eng

Loaded unicharset of size 111 from file /tmp/eng-2019-02-04.pCA/eng.unicharset

Setting unichar properties

Other case É of é is not in unicharset

Setting script properties

Config file is optional, continuing...

Failed to read data from: /home/kh/langdata//eng/eng.config

Null char=2

Reducing Trie to SquishedDawg

Reducing Trie to SquishedDawg

Reducing Trie to SquishedDawg

=== Moving lstmf files for training data ===

Moving /tmp/eng-2019-02-04.pCA/eng.Arial.exp0.lstmf to /home/kh/tesstutorial/engtrain

Moving /tmp/eng-2019-02-04.pCA/eng.Impact_Condensed.exp0.lstmf to /home/kh/tesstutorial/engtrain

Created starter traineddata for language 'eng'

Run lstmtraining to do the LSTM training for language 'eng'

kh@DSAD-6 /usr/share/tessdata

$ tesstrain.sh --fonts_dir /usr/share/fonts --fontlist "Impact Condensed" --lang eng --linedata_only --noextract_font_properties --langdata_dir ~/langdata/ --tessdata_dir ./ --output_dir ~/tesstutorial/engeval

=== Starting training for language 'eng'

[Mon, Feb 4, 2019 1:21:10 PM] /usr/bin/text2image --fonts_dir=/usr/share/fonts --font=Impact Condensed --outputbase=/tmp/font_tmp.e96rRhOoQ5/sample_text.txt --text=/tmp/font_tmp.e96rRhOoQ5/sample_text.txt --fontconfig_tmpdir=/tmp/font_tmp.e96rRhOoQ5

Rendered page 0 to file /tmp/font_tmp.e96rRhOoQ5/sample_text.txt.tif

=== Phase I: Generating training images ===

Rendering using Impact Condensed

[Mon, Feb 4, 2019 1:21:14 PM] /usr/bin/text2image --fontconfig_tmpdir=/tmp/font_tmp.e96rRhOoQ5 --fonts_dir=/usr/share/fonts --strip_unrenderable_words --leading=32 --xsize=3600 --char_spacing=0.0 --exposure=0 --outputbase=/tmp/eng-2019-02-04.TL6/eng.Impact_Condensed.exp0 --max_pages=0 --font=Impact Condensed --text=/home/kh/langdata//eng/eng.training_text

Rendered page 0 to file /tmp/eng-2019-02-04.TL6/eng.Impact_Condensed.exp0.tif

Rendered page 1 to file /tmp/eng-2019-02-04.TL6/eng.Impact_Condensed.exp0.tif

=== Phase UP: Generating unicharset and unichar properties files ===

[Mon, Feb 4, 2019 1:21:16 PM] /usr/bin/unicharset_extractor --output_unicharset /tmp/eng-2019-02-04.TL6/eng.unicharset --norm_mode 1 /tmp/eng-2019-02-04.TL6/eng.Impact_Condensed.exp0.box

Extracting unicharset from box file /tmp/eng-2019-02-04.TL6/eng.Impact_Condensed.exp0.box

Other case É of é is not in unicharset

Wrote unicharset file /tmp/eng-2019-02-04.TL6/eng.unicharset

[Mon, Feb 4, 2019 1:21:17 PM] /usr/bin/set_unicharset_properties -U /tmp/eng-2019-02-04.TL6/eng.unicharset -O /tmp/eng-2019-02-04.TL6/eng.unicharset -X /tmp/eng-2019-02-04.TL6/eng.xheights --script_dir=/home/kh/langdata/

Loaded unicharset of size 111 from file /tmp/eng-2019-02-04.TL6/eng.unicharset

Setting unichar properties

Other case É of é is not in unicharset

Setting script properties

Warning: properties incomplete for index 25 = ~

Writing unicharset to file /tmp/eng-2019-02-04.TL6/eng.unicharset

=== Phase E: Generating lstmf files ===

Using TESSDATA_PREFIX=./

[Mon, Feb 4, 2019 1:21:17 PM] /usr/local/bin/tesseract /tmp/eng-2019-02-04.TL6/eng.Impact_Condensed.exp0.tif /tmp/eng-2019-02-04.TL6/eng.Impact_Condensed.exp0 --psm 6 lstm.train

Tesseract Open Source OCR Engine v4.0.0 with Leptonica

Page 1

Page 2

Loaded 49/49 pages (1-49) of document /tmp/eng-2019-02-04.TL6/eng.Impact_Condensed.exp0.lstmf

=== Constructing LSTM training data ===

[Mon, Feb 4, 2019 1:21:19 PM] /usr/bin/combine_lang_model --input_unicharset /tmp/eng-2019-02-04.TL6/eng.unicharset --script_dir /home/kh/langdata/ --words /home/kh/langdata//eng/eng.wordlist --numbers /home/kh/langdata//eng/eng.numbers --puncs /home/kh/langdata//eng/eng.punc --output_dir /home/kh/tesstutorial/engeval --lang eng

Loaded unicharset of size 111 from file /tmp/eng-2019-02-04.TL6/eng.unicharset

Setting unichar properties

Other case É of é is not in unicharset

Setting script properties

Config file is optional, continuing...

Failed to read data from: /home/kh/langdata//eng/eng.config

Null char=2

Reducing Trie to SquishedDawg

Reducing Trie to SquishedDawg

Reducing Trie to SquishedDawg

=== Moving lstmf files for training data ===

Moving /tmp/eng-2019-02-04.TL6/eng.Impact_Condensed.exp0.lstmf to /home/kh/tesstutorial/engeval

Created starter traineddata for language 'eng'

Run lstmtraining to do the LSTM training for language 'eng'

kh@DSAD-6 /usr/share/tessdata

$ combine_tessdata -e ./eng.traineddata  ~/tesstutorial/engoutput/eng.lstm

Extracting tessdata components from ./eng.traineddata

Wrote /home/kh/tesstutorial/engoutput/eng.lstm

Version string:4.00.00alpha:eng:synth20170629

17:lstm:size=401636, offset=192

18:lstm-punc-dawg:size=4322, offset=401828

19:lstm-word-dawg:size=3694794, offset=406150

20:lstm-number-dawg:size=4738, offset=4100944

21:lstm-unicharset:size=6360, offset=4105682

22:lstm-recoder:size=1012, offset=4112042

23:version:size=30, offset=4113054

kh@DSAD-6 /usr/share/tessdata

$ lstmtraining --model_output ~/tesstutorial/engoutput/impact --continue_from ~/tesstutorial/engoutput/eng.lstm --traineddata ~/tesstutorial/engtrain/eng/eng.traineddata --old_traineddata ./eng.traineddata --max_iterations 3600 -train_listfile ~/tesstutorial/engtrain/eng.training_files.txt

Loaded file /home/kh/tesstutorial/engoutput/eng.lstm, unpacking...

Warning: LSTMTrainer deserialized an LSTMRecognizer!

Code range changed from 111 to 110!

Num (Extended) outputs,weights in Series:

  1,36,0,1:1, 0

Num (Extended) outputs,weights in Series:

  C3,3:9, 0

  Ft16:16, 160

Total weights = 160

  [C3,3Ft16]:16, 160

  Mp3,3:16, 0

  Lfys48:48, 12480

  Lfx96:96, 55680

  Lrx96:96, 74112

  Lfx192:192, 221952

  Fc110:110, 0

Total weights = 364384

Previous null char=110 mapped to 109

Continuing from /home/kh/tesstutorial/engoutput/eng.lstm

Loaded 72/72 pages (1-72) of document /home/kh/tesstutorial/engtrain/eng.Arial.exp0.lstmf

Loaded 72/72 pages (1-72) of document /home/kh/tesstutorial/engtrain/eng.Impact_Condensed.exp0.lstmf

!int_mode_:Error:Assert failed:in file /cygdrive/d/cyg_pub/devel/tesseract/tesseract-ocr-4.0.0-1.x86_64/src/tesseract-4.0.0/src/lstm/weightmatrix.cpp, line 249

!int_mode_:Error:Assert failed:in file /cygdrive/d/cyg_pub/devel/tesseract/tesseract-ocr-4.0.0-1.x86_64/src/tesseract-4.0.0/src/lstm/weightmatrix.cpp, line 249

!int_mode_:Error:Assert failed:in file /cygdrive/d/cyg_pub/devel/tesseract/tesseract-ocr-4.0.0-1.x86_64/src/tesseract-4.0.0/src/lstm/weightmatrix.cpp, line 249

!int_mode_:Error:Assert failed:in file /cygdrive/d/cyg_pub/devel/tesseract/tesseract-ocr-4.0.0-1.x86_64/src/tesseract-4.0.0/src/lstm/weightmatrix.cpp, line 249

[Shree Devi Kumar]

kh@DSAD-6 /usr/share/tessdata

$ combine_tessdata -e ./eng.traineddata  ~/tesstutorial/engoutput/eng.lstm

Extracting tessdata components from ./eng.traineddata

Wrote /home/kh/tesstutorial/engoutput/eng.lstm

You need the traineddata from tessdata_best repo for use with training. 

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[Kristóf Horváth]

thx see this could be in the documentation it would be super awsome but dont worry you dont have to do anything just answer my upcoming questions and i will write it, but also gonna need a review on my final draft just to make sure my wording and the facts i managed to dig up are correct