Researchers at the Massachusetts Institute of
Technology reported in January that facial recognition software marketed
by Amazon misidentified darker-skinned women as men 31 percent of the time.
Others have shown that algorithms used in facial recognition return
false matches at a higher rate for African-Americans than white people
unless explicitly recalibrated for a black population — in which case their
failure rate at finding positive matches for white people climbs. That study,
posted in May by computer scientists at the Florida Institute of Technology and
the University of Notre Dame, suggests that a single algorithm cannot be
applied to both groups with equal accuracy.
Mr. Byers and other critics spoke at a public hearing called by the Detroit Board
of Police Commissioners after what the board called unprecedented public
interest in two facial recognition items on its agenda. One item, specific to
the new traffic light cameras, was approved last week. The other, a
comprehensive “acceptable use” policy for facial recognition, has yet to be put
to a vote.
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