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Waveform Modeling by Adaptive Weighted Hermite Functions

Abstract: 

Modern medical science demands sophisticated signal representation methods in order to cope with the increasing amount of data. Important criteria for these methods are mainly low computational and storage costs, whereas the underlying mathematical model should still be interpretable and meaningful for the data analyst. One of the most promising models fulfilling these criteria is based on Hermite functions, however having some important limitations for specific biomedical wave shapes. We extend this model by using weighted Hermite functions and develop a gradient based constrained optimization method to adapt the system for different types of signals. In order to demonstrate the potential of our approach, we consider the problem of electrocardiogram signal compression. The experiments on the MIT/BIH arrhythmia database show a significant improvement compared to the former works using classical Hermite functions.

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Paper Details

Authors:
Péter Kovács, Carl Böck, Tamás Dósza, Jens Meier, Mario Huemer
Submitted On:
10 May 2019 - 9:31am
Short Link:
Type:
Presentation Slides
Event:
Presenter's Name:
Péter Kovács, Carl Böck
Paper Code:
ICASSP19005
Document Year:
2019
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Document Files

Weighted_Hermite_Models.pdf

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[1] Péter Kovács, Carl Böck, Tamás Dósza, Jens Meier, Mario Huemer, "Waveform Modeling by Adaptive Weighted Hermite Functions", IEEE SigPort, 2019. [Online]. Available: http://sigport.org/4320. Accessed: Aug. 19, 2019.
@article{4320-19,
url = {http://sigport.org/4320},
author = {Péter Kovács; Carl Böck; Tamás Dósza; Jens Meier; Mario Huemer },
publisher = {IEEE SigPort},
title = {Waveform Modeling by Adaptive Weighted Hermite Functions},
year = {2019} }
TY - EJOUR
T1 - Waveform Modeling by Adaptive Weighted Hermite Functions
AU - Péter Kovács; Carl Böck; Tamás Dósza; Jens Meier; Mario Huemer
PY - 2019
PB - IEEE SigPort
UR - http://sigport.org/4320
ER -
Péter Kovács, Carl Böck, Tamás Dósza, Jens Meier, Mario Huemer. (2019). Waveform Modeling by Adaptive Weighted Hermite Functions. IEEE SigPort. http://sigport.org/4320
Péter Kovács, Carl Böck, Tamás Dósza, Jens Meier, Mario Huemer, 2019. Waveform Modeling by Adaptive Weighted Hermite Functions. Available at: http://sigport.org/4320.
Péter Kovács, Carl Böck, Tamás Dósza, Jens Meier, Mario Huemer. (2019). "Waveform Modeling by Adaptive Weighted Hermite Functions." Web.
1. Péter Kovács, Carl Böck, Tamás Dósza, Jens Meier, Mario Huemer. Waveform Modeling by Adaptive Weighted Hermite Functions [Internet]. IEEE SigPort; 2019. Available from : http://sigport.org/4320