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CGI 'Master Faces' Impersonate Several Identities
Master faces are computer-generated human faces that can impersonate several different identities and even act as master keys in facial recognition programs.
(Generating Master Faces for Dictionary Attacks with
a Network-Assisted Latent Space Evolution)
...researchers at the Blavatnik School of Computer Science and the School of Electrical Engineering in Tel Aviv detail how they successfully created nine "master key" faces that are able to impersonate almost half the faces in a dataset of three leading face recognition systems. The researchers say their results show these master faces can successfully impersonate over 40 percent of the population in these systems without any additional information or data of the person they are identifying.
The "master key" faces tended to be older, and didn't have glasses or facial hair.
The researchers used a StyleGAN to generate the faces and then used an evolutionary algorithm and neural network to optimize and predict their success. The evolutionary strategy then creates iterations, or generations, of candidates of varying success rates. The researchers then used the algorithm to train a neural network, to classify the best candidates as the most promising ones.
As usual, science fiction writer Philip K. Dick is way ahead of the curve. In his 1977 classic A Scanner Darkly, he describes the scramble suit used by undercover agents:
The scramble suit was an invention of the Bell laboratories, conjured up by accident by an employee named S. A. Powers... Basically, his design consisted of a multifaceted quartz lens hooked up to a million and a half physiognomic fraction-representations of various people: men and women, children, with every variant encoded and then projected outward in all directions equally onto a superthin shroudlike membrane large enough to fit around an average human.
As the computer looped through its banks, it projected every conceivable eye color, hair color, shape and type of nose, formation of teeth, configuration of facial bone structure - the entire shroudlike membrane took on whatever physical characteristics were projected at any nanosecond, then switched to the next...
In any case, the wearer of a scramble suit was Everyman...
(Read more about Philip K. Dick's scramble suit)
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