They certainly have. I believe that ANPR cameras were operational in the 1980's, and look at the quantum leaps in both computing and camera technologies.
In several cities in China they already have fully functioning cctv that reads faces via biometrics. Very few people know that China is basically a petri dish for new ideas to be tried and tested. The globalists fucking love the undemocratic peoples Republic for draconian tech, as the people have no fucking rights!
Within 5 years laws will be passed, and you'll see one on most streets, the tube, railway concourses, airports ect.