Raquel roper facial - What is a deepfake? This video technology is spooking some politicians

Inconsistencies in pixel levels, blurred edges, shadows and reflections are used to detect the presence of a manipulation.

However many deepfake creators and tech experts are worried about over-regulating the technology.

Deepfakes have also been used for entertainment purposes.

One of the researchers, Siwei Lyu — an associate professor of computer science at the University of Albany — and his team have been looking into detection of deepfakes by exploring two signals he said fakes often possess: unrealistic blinking and facial movement.