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Using Machine Learning and Traffic Cameras to Replace Cops

- Adam Clare

Thanks!

Mass surveillance is everywhere in modern cities. Cameras are on every corner monitoring all sorts of activities, which led one person to think about using them to see if traffic cameras can be used to replace traffic cops. The short answers is yes. Personally, I don’t see mass surveillance as a good thing but what I find really interesting about this isn’t the policing aspect but the data collection of how streets are used. In the example setup it was found that cars broke the laws quite a lot and endangered the lives of cyclists. Maybe we can use the technology to better understand how streets get used and what we can do to ensure traffic flows.

The Results
During a 10 day period in December 2017,

  • bike lane was blocked 40% of the time (57% weekdays 7am to 7pm)
  • bus stop was blocked 57% of the time (55% weekdays 7am to 7pm)

Keep in mind this is just one average block. This means if you are riding in a bike lane you are swerving blind in and out of the bike lane every other block. And if you are on a bus your commute just got longer.

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Complaints About Police Drop 93% Thanks to Body Cameras

- Adam Clare 1 Comment

Policing has become a hot issue in recent years thanks to the efforts of groups like Black Lives Matter bringing discriminatory actions by the police to light. In many jurisdictions police forces are already using (or considering) body cameras that record what officers are seeing and doing. It turns out that using them can decrease complaints about police behaviour by 93% – even if the police aren’t using them all the time.

“It may be that, by repeated exposure to the surveillance of the cameras, officers changed their reactive behaviour on the streets — changes that proved more effective and so stuck,” explained the study’s lead author, Barak Ariel, in a Cambridge news release. “With a complaints reduction of nearly 100 percent across the board, we find it difficult to consider alternatives, to be honest.”

The researchers dub this effect “contagious accountability” — learning to do the right thing even when no one is watching.

Specifics on how exactly this is happening are unclear. Is the officer less confrontational to begin with, avoiding escalation? Or are suspects and complainants more wary of their conduct? Is it some combination of the two, or are even more factors involved? To determine these things would be a far more complex and subtle piece of research, but the study does suggest that officer behavior is probably the most affected, and that other effects flow from that.

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