Breathing and heart rate video technology during filming

University of Washington video system can detect pulse and respiratory rate by looking at the face. Photo: File

Washington: Much work has been done on telemedicine technology during the Corona epidemic. Now the University of Washington has developed a video technology that can accurately detect the breathing and pulse rate of a person in a video in real time. It will be demonstrated at the ACM Conference on Health, Interface and Acquisition on April 8.

The technology notes both important medical symptoms by looking at the face. It is now expected that this will boost telemedicine. Machine learning classifies images, said Zhen Lai, a doctoral student at the University of Washington. Now, thanks to this, physical and physical conditions can be revealed by looking at the face. But everyone is different in their nature. Therefore, the entire system must be rapidly changing so that it can monitor the physical changes of every person, regardless of their environment and background.

The video takes care of personal privacy because of its data cloud. Is limited to the phone instead. By changing the light and shadow on the face, the machine learning process keeps track of blood flow and respiratory fluctuations. He has been trained on the original video and pictures of the people. Breaths and pulses were also recorded by instruments and combined with video.

The software enabled itself a few days later to record their breaths and pulses from videos of people walking. Able to note speed. But on some datasets it performed better while on other datasets it did not perform better and this process is called 'overfting' in machine learning.

The machine was then trained as an individual with good results. Exported. However, for black people, it needs more training. However, smartphone video can also be used to detect breathing and pulse rate.

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