ocrodjvu software package provides tool to perform OCR on DjVu documents, you can install in your Ubuntu 14.04 LTS (Trusty Tahr) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install ocrodjvu
ocrodjvu is installed in your system.
Make ensure the ocrodjvu package were installed using the commands given below,
$ sudo dpkg-query -l | grep ocrodjvu *
You will get with ocrodjvu package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Text Processing |
| Package | ocrodjvu |
| Version | 0.7.9-1.1 |
| Description | tool to perform OCR on DjVu documents |
| Sub Section | Text |