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Feature extraction apparatus and method for biometric information detection, biometric information detection apparatus, and wearable device

  • US 10,667,757 B2
  • Filed: 01/24/2017
  • Issued: 06/02/2020
  • Est. Priority Date: 09/20/2016
  • Status: Active Grant
First Claim
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1. A feature extraction apparatus configured to perform biometric information detection, the feature extraction apparatus comprising:

  • a sensor configured to acquire a bio-signal; and

    a processor configured to;

    adjust an asymmetry factor for component pulses of the bio-signal;

    decompose a waveform of the acquired bio-signal into the component pulses based on adjusting the asymmetry factor; and

    extract a feature for the biometric information detection based on characteristic points of the component pulses.

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