tesseract-ocrHow do I add a language to Tesseract OCR on Windows?
- Download the language data files you want to add from the Tesseract language data repository.
- Extract the downloaded language data files to the
tessdata
folder in the Tesseract installation directory. - To check if the language data is correctly installed, run the following command in a command prompt, replacing
<lang>
with the language code of the language you installed.
tesseract --list-langs
The output should include the language code you installed:
List of available languages (3):
eng
<lang>
osd
- You can now use the language code to set Tesseract's language when running it from the command line. For example:
tesseract image.png output -l <lang>
- If you want to use the language in your own code, you can use the
SetVariable
method of theTesseractEngine
class. For example:
TesseractEngine engine = new TesseractEngine(@"./tessdata", "<lang>");
- You can also set the language when calling the
Process
method of theTesseractEngine
class. For example:
Page page = engine.Process(pix, "<lang>");
- You can find more information about using Tesseract in the Tesseract.NET documentation.
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