jpegjudge software package provides determine which of two given jpegs (same size) is the original, 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 jpegjudge
jpegjudge is installed in your system.
Make ensure the jpegjudge package were installed using the commands given below,
$ sudo dpkg-query -l | grep jpegjudge *
You will get with jpegjudge package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Graphics |
| Package | jpegjudge |
| Version | 0.0.2-2 |
| Description | determine which of two given jpegs (same size) is the original |
| Sub Section | Graphics |