Please help a new member to train tess

[Trong]

Dear friends,

I 'm trying to train tesseract 4 as here https://github.com/tesseract-ocr/tesseract/wiki/TrainingTesseract-4.00

(I also installed tesseract 4 https://github.com/tesseract-ocr/tesseract/wiki)

But i got error from first step "$ sudo make training-install  :(

make: *** No rule to make target 'training-install'.  Stop."

Could you give me an example for tess training (step by step).

OS: Ubuntu 18.04, Tesseract 4.

(My problem: create a lib to OCR passport only, I have to improve result by fine tuning)

Thank you very much!

Building the Training Tools

Beginning with 3.03, if you're compiling Tesseract from source you need to make and install the training tools with separate make commands. Once the above additional libraries have been installed, run the following from the Tesseract source directory:

make
make training
sudo make training-install

"$ sudo make training-install 

make: *** No rule to make target 'training-install'.  Stop."

[Shree Devi Kumar]

Please see https://github.com/tesseract-ocr/tesseract/wiki/Compiling-%E2%80%93-GitInstallation for building  tesseract.

To install pre-built versions, see 

https://github.com/tesseract-ocr/tesseract/wiki#installation  

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