Medical mirror By Mit Phd Student Ming-Zher Poh

You can check a person’s vital signs — pulse, respiration and blood pressure — manually or by attaching sensors to the body. But a student in the Harvard-MIT Health Sciences and Technology program is working on a system that could measure these health indicators just by putting a person in front of a low-cost camera such as a laptop computer’s built-in webcam.

So far, graduate student Ming-Zher Poh has demonstrated that the system can indeed extract accurate pulse measurements from ordinary low-resolution webcam imagery. Now he’s working on extending the capabilities so it can measure respiration and blood-oxygen levels. He hopes eventually to be able to monitor blood pressure as well. Initial results of his work, carried out with the help of Media Lab student Daniel McDuff and Professor of Media Arts and Sciences Rosalind Picard, were published earlier this year in the journal Optics Express.

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2 Comments

  1. Medicine is the science of diagnosing, treating, or preventing disease
    and damage to the body or mind. A medical invention would be any
    instrument, machine, implant, or similar article that is useful in the
    diagnosis, treatment, or prevention of disease, for example: the
    thermometer, artificial heart, or a home pregnancy test.

  2. A two-way mirror is a sheet of glass coated with a layer of metal
    only a few dozen atoms thick, which reflects some percentage of the
    light incident on it and transmits the remainder to the other side.

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