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- W3000704511 abstract "Robust, real-time apnea and hypopnea detection for monitoring patients suffering from sleep apnea syndrome (SAS) still represents an open problem due to the effect of noise artifacts, the complexity of respiratory patterns and inter-subject variability. We propose in this study the application of an original multi-feature probabilistic detector (MFPD) for SAS event detection during long-term monitoring recordings on three SAS patients. The nasal pressure signal is used as input to derive a set of respiratory features (variance, peak-to-peak amplitude and total respiration cycle) which are statistically characterized during time and used to provide a mono-feature detection probability in realtime. A centralized fusion approach based on the Kullback-Leibler divergence (KLD), optimally combines these mono-feature distributions in order to produce a final detection. While the optimal feature set selection lies beyond the scope of our study, we illustrate the ability to adapt each feature’s weight dynamically to make centralized fusion decisions. The method can be directly applied to data acquired from multiple sensors as long as features are synchronized. Our proposed fusion method achieves a very high sensitivity (94%) as compared with reference thresholding based methods in the literature." @default.
- W3000704511 created "2020-01-23" @default.
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- W3000704511 date "2019-09-08" @default.
- W3000704511 modified "2023-09-24" @default.
- W3000704511 title "Multi-Feature Probabilistic Detector Applied to Apnea/Hypopnea Monitoring" @default.
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- W3000704511 doi "https://doi.org/10.23919/cinc49843.2019.9005766" @default.
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