Method and apparatus for processing waveform signal

A waveform signal and filter processing technology, which is applied in the field of signal processing, can solve the problems of waveform instability, signal period instability, and poor waveform signal quality, etc., to achieve improved accuracy, strong applicability, and high recognition accuracy Effect

Active Publication Date: 2018-10-23
HUAWEI TECH CO LTD
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  • Claims
  • Application Information

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Problems solved by technology

[0003] However, the waveform signal detected by the sensor of the wearable device is easily affected by factors such as the way the wearable device is worn or the behavior of the user. The waveform sig

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  • Method and apparatus for processing waveform signal
  • Method and apparatus for processing waveform signal
  • Method and apparatus for processing waveform signal

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Embodiment Construction

[0065] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application.

[0066] In specific implementation, the signal processing method and device provided in the embodiments of the present application are suitable for signal processing of any periodic one-dimensional waveform, including but not limited to ECG signals collected by electrocardiogram (ECG) sensors, photoplethysmia pulse waves ( The PPG signal collected by the photoplethysmography (PPG) sensor, the pressure gauge signal (including the barometer signal), the angular velocity sensor of the gyroscope, and the waveform signal collected by the accelerometer sensor are not limited here. For convenience of description, the embodiment of the present application will use ECG signals for illustration.

[0067] The embodiments of the present application are also applicable to the processing o...

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Abstract

Disclosed are a method and apparatus for processing a waveform signal. The method comprises: acquiring a waveform signal after filtering; marking the waveform signal as K signal line segments according to the monotonicity; extracting line segment data of each of the signal line segments, and determining, according to the line segment data of each of the signal line segments, a line segment matching template of the waveform signal, wherein the line segment matching template comprises M consecutive signal line segments; and M is an integer less than K; matching each signal line segment in the Ksignal line segments with the M signal line segments comprised in the line segment matching template, and determining, according to a matching result of each signal line segment, a target wave group of the waveform signal; and determining, according to line segment data of the target wave group, periodic signal data of the waveform signal. The embodiments of the present application have the advantages of being capable of recognising periodic signal data of a waveform signal, improving the periodic recognition precision of the waveform signal and extracting relevant feature points.

Description

technical field [0001] The present application relates to the field of signal processing, in particular to a method and device for waveform signal processing. Background technique [0002] At present, with the increasing popularity of wearable devices, the implementation of sensors in the wearable devices to detect the user's ECG signals, blood flow signals, motion signals and other physical signs is also emerging. The ECG signal, photoelectric pulse wave signal or motion signal detected by the sensor on the wearable device is usually a waveform signal with characteristics of periodicity and continuity, so the user's physical health can be perceived by monitoring the waveform signal , you can find functions such as step counting cycle. [0003] However, the waveform signal detected by the sensor of the wearable device is easily affected by factors such as the way the wearable device is worn or the behavior of the user. The waveform signal contains large noise, which makes t...

Claims

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Application Information

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IPC IPC(8): G06K9/00A61B5/366
CPCG06F2218/02G06F2218/08G06F2218/12A61B5/316A61B5/366G06F2218/10A61B5/346
Inventor 董辰张杰吕超陈宜欣许培达
Owner HUAWEI TECH CO LTD
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