Single-lead ECG signal PQRST wave joint precise recognition algorithm
A technology of ECG signal and recognition algorithm, which is applied in the field of bioinformatics, can solve the problems of large amount of calculation, large influence, and low detection accuracy, and achieve improved recognition accuracy, strong anti-noise and anti-baseline drift, and strong effect of ability
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[0022] In order to make it easy to understand the technical means, creative features, goals and effects achieved by the present invention, the present invention will be further explained in conjunction with specific embodiments below.
[0023] Such as figure 1 As shown, the implementation of a single-lead ECG signal PQRST wave joint accurate recognition algorithm of the present invention includes the following steps:
[0024] Step 101: When a single-lead signal is input, the wavelet analysis method is used to preprocess the signal to filter out noise signals and adjust the baseline drift of the ECG signal;
[0025] A single-lead ECG signal can be regarded as an unstable time-varying signal with noise. For a single-lead device, the noise of muscle electricity and body movement will cause severe baseline drift and signal noise. Since the single-lead signal can be regarded as a combination of Gaussian signals, the Gaussian wavelet is a differential form of the Gaussian density function...
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