This can get tricky in places where there are many plate designs. Some US states such as Georgia, reuse the same number on multiple plates. They're distinguishe

This can get tricky in places where there are many plate designs. Some US states such as Georgia, reuse the same number on multiple plates. They're distinguished by the plate design. Those can be difficult enough for a human reviewers to distinguish, can't imagine software will have an easier time of it. Then throw in plates from other states, things get even messier. And though license plate frames aren't suppose to block any relevant information on a license plate, they often do.