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Unit Testing for Tesseract
Requirements
Files and structure
├── langdata_lstm
│ ├── common.punc
│ ├── common.unicharambigs
│ ├── desired_bigrams.txt
│ ├── eng
│ │ ├── desired_characters
│ │ ├── eng.config
│ │ ├── eng.numbers
│ │ ├── eng.punc
│ │ ├── eng.singles_text
│ │ ├── eng.training_text
│ │ ├── eng.unicharambigs
│ │ ├── eng.wordlist
│ │ └── okfonts.txt
│ ├── extended
│ │ └── extended.config
│ ├── extendedhin
│ │ └── extendedhin.config
│ ├── font_properties
│ ├── forbidden_characters_default
│ ├── hin
│ │ ├── hin.config
│ │ ├── hin.numbers
│ │ ├── hin.punc
│ │ └── hin.wordlist
│ ├── kan
│ │ └── kan.config
│ ├── kor
│ │ └── kor.config
│ ├── osd
│ │ └── osd.unicharset
│ └── radical-stroke.txt
├── tessdata
│ ├── ara.traineddata
│ ├── chi_tra.traineddata
│ ├── eng.traineddata
│ ├── heb.traineddata
│ ├── hin.traineddata
│ ├── jpn.traineddata
│ ├── kmr.traineddata
│ ├── osd.traineddata
│ └── vie.traineddata
├── tessdata_best
│ ├── eng.traineddata
│ ├── fra.traineddata
│ ├── kmr.traineddata
│ └── osd.traineddata
├── tessdata_fast
│ ├── eng.traineddata
│ ├── kmr.traineddata
│ ├── osd.traineddata
│ └── script
│ └── Latin.traineddata
└── tesseract
...
├── test
├── unittest
│ └── third_party/googletest
└── VERSION
Fonts
- Microsoft fonts: arialbi.ttf, times.ttf, verdana.ttf - installation guide
- ae_Arab.ttf
- dejavu-fonts: DejaVuSans-ExtraLight.ttf
- Lohit-Hindi.ttf
- UnBatang.ttf
Run tests
To run the tests, do the following in tesseract folder
autoreconf -fiv
git submodule update --init
git clone https://github.com/egorpugin/tessdata tessdata_unittest --depth 1
cp tessdata_unittest/fonts/* test/testing/
mv tessdata_unittest/* ../
export TESSDATA_PREFIX=/prefix/to/path/to/tessdata
make check