Time-frequency analysis of the first and the second heartbeat sounds.
S. M. DebbalFethi Bereksi-ReguigPublished in: Appl. Math. Comput. (2007)
Keyphrases
- non stationary
- ecg signals
- heart rate
- wavelet packet
- spectral features
- signal analysis
- real time
- database
- computer vision
- web pages
- behavioral data
- musical instrument
- sound source
- monitoring system
- language model
- wavelet transform
- pattern recognition
- decision trees
- website
- knowledge base
- decision making
- artificial intelligence