“The drone actually has a stabilised commercial go-pro attached to it. Using image processing on the video footage, Ali [the PhD student researcher] was able to extract the heart rate and breathing rate of the person without any difficulty,” he said.
“The drone will single each person out automatically and provide a trace for each individual as to where their heart rate and breathing rate is.“We’ve also used telephoto optics to look out over 50 metres and we will expand this to 500 metres in the near future using a telescope.”Professor Chahl said using drones was necessary in environments that were unsafe or inaccessible to humans such as war zones and areas devastated by natural disaster.“There are scenarios when maybe a drone is the only thing that can get there,” he said.“A lot of environments are hostile so a drone is the safest option – places like the ocean require drones in order to gain access to people in trouble quickly and safely.
“There’s also situations in clinical settings where you wouldn’t really think it’s worth having electrodes and instruments to monitor patients, but if you can just have a camera do it, you may be able to put instrumentation where you wouldn’t normally put it.”
Professor Chahl said the research began as a response to increased infection rates in countries where electrodes were being used to detect vital signs in neonatal babies.
The research, published in the latest issue of Biomedical Engineering Online, was been conducted over three years using 15 healthy humans aged between two and 40.
The technology is yet to be exposed to possible investors, but peripheral conversations with interested parties have shown immense potential.
“Digital technology like this – one good conversation with an industry partner who has an idea and we could be seeing this come to life in months. The barriers are very low,” Professor Chahl said.
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