Why ocrodjvu's engine not found?

Question

I run unsuccessfully in Ubuntu 14.04 LTS, trying to have better OCR of a DjVU document

ocrodjvu --in-place document.djvu

but get ocrodjvu: error: OCR engine (tesseract) was not found. I found out that this is probably related to some dependency problems. Some users have removed some python packages in some cases. However, I am not sure.

How can you run ocrodjvu in Ubuntu 14.04?

Answer 1

For some reason, there is no dependency put on ocrodjvu about tesseract-ocr. I reported it to upstream here. Do

sudo apt-get install tesseract-ocr

Possibly, you have install also a language.

Systems: Ubuntu 14.04 and 16.04