Before the election, political observers were already pointing out that there were no major differences between the two leading candidates either in politics or in public image - both have been criticised as being dull in comparison with the flamboyant Jerry Rawlings.
Therefore, recognition off a barcode, marker or markerless image makes up a vital portion of AR, so it is less about the differences between the two and more about their working relationship.
Professor Leach said a number of image processing approaches were being tested, but there were often problem replicating results in other centres because of differences in equipment.