this post was submitted on 21 Aug 2023
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Police in England installed an AI camera system along a major road. It caught almost 300 drivers in its first 3 days. (www.businessinsider.in)
submitted 1 year ago by L4s to c/technology
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Police in England installed an AI camera system along a major road. It caught almost 300 drivers in its first 3 days.::An AI camera system installed along a major road in England caught 300 offenses in its first 3 days.There were 180 seat belt offenses and 117 mobile phone

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[–] [email protected] 149 points 1 year ago* (last edited 1 year ago) (18 children)

Photos flagged by the AI are then sent to a person for review.

If an offense was correctly identified, the driver is then sent either a notice of warning or intended prosecution, depending on the severity of the offense.

The AI just "identifying" offenses is the easy part. It would be interesting to know whether the AI indeed correctly identified 300 offenses or if the person reviewing the AI's images acted on 300 offenses. That's potentially a huge difference and would have been the relevant part of the news.

[–] tmRgwnM9b87eJUPq 37 points 1 year ago (15 children)

The system we use in NL is called “monocam”. A few years ago it caught 95% of all offenders.

This means that AI had at most 5% false negatives.

I wonder if they have improved the system in the mean time.

https://nos.nl/artikel/2481555-nieuwe-slimme-camera-s-aangeschaft-om-appende-bestuurders-te-betrappen

[–] [email protected] 18 points 1 year ago (7 children)

How do they know that they caught 95% of all offenders if they didn't catch the remaining 5%? Wouldn't that be unknowable?

[–] tmRgwnM9b87eJUPq 1 points 1 year ago

I suspect they sent through a controlled set of cars where they tested all kinds of scenarios.

Other option would be to do a human review after installing it for a day.

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