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British police to trial facial recognition system that detects your mood:
A British police force is set to trial a facial recognition system that infers people's moods by analyzing CCTV footage.
Lincolnshire Police will be able to use the system to search the film for certain moods and facial expressions, the London Times reports. It will also allow cops to find people wearing hats and glasses, or carrying bags and umbrellas.
The force has got funding from the Home Office to test the tool in the market town of Gainsborough, but ethical concerns have delayed the pilot's launch.
A police spokesperson told the Times that all the footage will be deleted after 31 days. The force will also carry out a human rights and privacy assessment before the trial gets the green light.
[...] "At the same time as these technologies are being rolled out, large numbers of studies are showing that there is... no substantial evidence that people have this consistent relationship between the emotion that you are feeling and the way that your face looks," AI Now's co-founder Prof Kate Crawford told the BBC late last year.
Could it be it was thrown off because everyone had a stiff upper lip?
(Score: 2) by bzipitidoo on Wednesday August 19 2020, @04:10PM
For decades now, law enforcement has been wanting facial recognition. Badly. They want it so much that they are entirely too credulous in accepting assurances that we have it now, or that some group can do it.
An additional underappreciated difficulty is scaling. If you have a system that can reliably identify one person among 100, it's likely to falter when faced with a million. Even with 99.9% reliability, that's still 1000 false positives out of that database of 1 million.
I also wonder if we're too proud of our individualism. Maybe, the distinctiveness of faces is less than we fondly like to think.