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Facial Recognition Tech Helps Develop Patient Safety Tool

The study was presented at the annual meeting of the European Society of Anaesthesiology in Austria

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Rana el Kaliouby, CEO of the Boston-based artificial intelligence firm Affectiva, demonstrates the company's facial recognition technology, in Boston, April 23, 2018. VOA

By using facial recognition technology, an automated system has been developed that can predict unsafe behaviour of patients in the intensive care unit (ICU), such as accidentally removing their breathing tube.

“Using images of a patient’s face and eyes we were able to train computer systems to recognise high-risk arm movement,” said study lead author Akane Sato from Yokohama City University in Japan.

According to researchers, the automated risk detection tool can be used for continuous monitoring of patient’s safety and can remove some of the limitations associated with limited staff capacity that makes it difficult to observe continuously critically-ill patients.

“We were surprised about the high degree of accuracy that we achieved, which shows this technology has the potential to be a useful tool for improving patient safety, and is the first step for a smart ICU, which is planned in our hospital,” Sato said.

For the study, the researchers included 24 post-operative patients (average age 67 years), admitted to ICU in Yokohama City University Hospital.

Facial recognition technology is used to screen people before they visit the Statue of Liberty in New York, US.
Facial recognition technology is used to screen people before they visit the Statue of Liberty in New York, US. Flickr

The proof-of-concept model was created using pictures taken by a camera mounted on the ceiling above patients’ beds. Around 300 hours of data were analysed to find daytime images of patients facing the camera in a good body position that showed their face and eyes clearly.

In total, 99 images were subject to machine learning — an algorithm that can analyse specific images based on input data, in a process that resembles the way a human brain learns new information.

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The model was able to alert against high-risk behaviour, especially around the subject’s face with high accuracy, said the researchers.

The study was presented at the annual meeting of the European Society of Anaesthesiology in Austria. (IANS)

Next Story

Google Puts Hold on its Facial Recognition Research Before Pixel 4 Launch

On Friday, Nina Hickson, Atlanta’s city attorney, sent a letter to Google asking for an explanation, according to cbs46.com

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FILE - A woman walks past the logo for Google at the China International Import Expo in Shanghai, Nov. 5, 2018. VOA

Google has put on hold its facial recognition research for the Pixel 4 smartphone after a report claimed it was bribing the homeless to scan their faces for the price of a cup of coffee in order to improve the tech giant’s facial recognition technology.

The tech giant reportedly said it has launched a probe into the research which was subcontracted to a firm named Randstad.

“The company had been using the technique to grow its database ahead of the launch of the Pixel 4, which is expected to have face unlock as its primary security feature. It said it was to ensure that there was no potential bias, particularly against people of colour, which has been a significant issue for facial recognition in the past,” The Inquirer reported on Monday.

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FILE – The Google logo is seen at a start-up campus in Paris, France, Feb. 15, 2018. VOA

The subjects or the homeless people were offered a gift card worth $5 to scan their faces.

Meanwhile, officials in the US city of Atlanta are seeking answers from Google on the matter.

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On Friday, Nina Hickson, Atlanta’s city attorney, sent a letter to Google asking for an explanation, according to cbs46.com.

“The possibility that members of our most vulnerable populations are being exploited to advance your company’s commercial interest is profoundly alarming for numerous reasons,” Hichson said in a letter to Kent Walker, Google’s legal and policy chief, added the cbs46.com report. (IANS)