Facial recognition being trained on synthetic images

New advances in facial recognition technology are challenging the prevailing view that it is racist. Five years ago it misidentified black and brown faces a lot, but it is is now being trained on synthetic facial images - and in tests proving far more accurate. This comes as new moves are in hand to extend how the tech is used in the public sector in New Zealand. RNZ's Phil Pennington spoke to Guyon Espiner.