CPC A61B 5/7282 (2013.01) [A61B 5/02108 (2013.01); A61B 5/02416 (2013.01); A61B 5/7235 (2013.01); A61B 5/02438 (2013.01); A61B 5/349 (2021.01); A61B 5/681 (2013.01); A61B 5/7225 (2013.01)] | 16 Claims |
1. A biosignal processing apparatus comprising:
at least one processor configured to:
extract reference points from a waveform of a biosignal, the reference points comprising a first reference point having a highest signal value from among neighboring first candidate reference points and a second reference point having a lowest signal value from among neighboring second candidate reference points;
determine pulse sharpness levels corresponding to each of the first reference point and the second reference point;
determine feature points of the biosignal based on the pulse sharpness levels; and
transfer, to a bioinformation estimating apparatus, the feature points such that bioinformation of a user is estimated based on the feature points,
wherein one or more of the pulse sharpness levels corresponds to an angle formed between a first line connecting the first reference point to a first candidate reference point from among the neighboring first candidate reference points and a second line connecting the first reference point to another first candidate reference point from among the neighboring first candidate reference points.
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