The heart as a source of biometric information

It is now a scientific fact that heart sounds reflect the functioning of the cardiovascular system. That is why, a team of researchers at the University of Hangzhou Dianzi in China are introducing marginal spectrum analysis of heart sounds, to identify people.

The results suggest that the technique has a recognition rate of 94.4 percent, which compares favorably with the 84.32 percent rate offered by traditional methods of biometric technology.

The heart as a source of biometric information

The system’s main advantage is the high security it provides because the sounds of a person’s heart cannot be faked. Moreover, the heart’s sound is a low-frequency, one-dimensional signal that is easy to process.

On the other hand, situations such as noisy environments and heart conditions can pose challenges to the technology.


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