AI model detects asymptomatic Covid-19 infections through ce
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Scientists have developed an artificial intelligence (AI) model that they say can distinguish asymptomatic Covid-19 patients from healthy individuals through their cough recordings, and show the results on a smartphone app.

Researchers from Massachusetts Institute of Technology (MIT) found that people who are asymptomatic may differ from healthy individuals in the way that they cough.

These differences are not decipherable to the human ear, but can be picked up by artificial intelligence, they said.

In a paper published in the IEEE Journal of Engineering in Medicine and Biology, the team described on an AI model that distinguishes asymptomatic people from healthy individuals through forced-cough recordings.

These recordings were submitted by people voluntarily through web browsers and devices such as cellphones and laptops, they said.

The researchers trained the model on tens of thousands of samples of coughs, as well as spoken words.

When they fed the model new cough recordings, it accurately identified 98.5 % of coughs from people who were confirmed to have Covid-19.

This included 100 % of coughs from asymptomatics -- who reported they did not have symptoms but had tested positive for the virus, according to the researchers.

The team is working on incorporating the model into a user-friendly app, where a user could log in daily, cough into their phone, and instantly get information on whether they might be infected and therefore should confirm with a formal test.

Source: https://news.mit.edu/2020/covid-19-cough-cellphone-detection-1029
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