Device for analysis of a signal, in particular a physiological signal such as an ECG signal
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United States of America Patent
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Apr 15, 2008
Grant Date -
Aug 19, 2004
app pub date -
Nov 13, 2003
filing date -
Nov 14, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A device for analyzing a physiological signal, such as an electrocardiogram or electrogram, that was previously collected, filtered, sampled and digitized. The device memorizes the digitized signal and analyzes it by decomposing the signal into a plurality of N parameterized bump functions, where each bump function is a continuous function defined by three successive intervals, respectively, a first monotonic parameterized function, an affine function, and a second monotonic parameterized function, with one of the monotonic parameterized functions being increasing and the other decreasing. The parameterized functions are preferably half-Gaussian functions, and the affine function preferably has a null slope. Each N bump function is classified by recognizing at least one parameter characteristic of each wave, and allotting a standardized label, selected among a plurality of predetermined labels, according to one or to more of the characteristic parameters thus recognized.
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