clarkk clarkk - 8 months ago 82
Linux Question

tesseract (v3.03) output as PDF

Why is this error returned?

root@amd-3700-2gb ~/ocr_test # tesseract -l dan pdf.png out pdf
Tesseract Open Source OCR Engine v3.03 with Leptonica
Error opening data file /usr/local/share/tessdata/osd.traineddata
Please make sure the TESSDATA_PREFIX environment variable is set to the parent directory of your "tessdata" directory.
Failed loading language 'osd'
Tesseract couldn't load any languages!
Warning: Auto orientation and script detection requested, but osd language failed to load

Language list

root@amd-3700-2gb ~/ocr_test # tesseract --list-langs
List of available languages (3):

Output as txt

This works fine and output text to

tesseract -l dan pdf.png out

Output PDF

This creates
but also retuns the error mentioned and the searchable text in the PDF doesn't make sense

tesseract -l dan pdf.png out pdf


The error message is clear: it needs osd.traineddata file. You can install or download Orientation & Script Detection Data for Tesseract from