A quality evaluation method of photoplethysmography
The invention provides a quality evaluation method of photoplethysmography. The method comprises the following steps: establishing a quality evaluation model: acquiring a training sample data set of pulse waves and pulse wave quality information; extracting a frequency domain and time sequence chara...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The invention provides a quality evaluation method of photoplethysmography. The method comprises the following steps: establishing a quality evaluation model: acquiring a training sample data set of pulse waves and pulse wave quality information; extracting a frequency domain and time sequence characteristics from pulse waves in a training sample, wherein the frequency domain comprises power spectrum information, and the time sequence characteristics comprise an association dimension, a box dimension, a fuzzy entropy and Lampei- Ziv complexity; Taking the frequency domain and time sequence characteristics as the input of an SVM model, taking the quality information as the output of the SVM model, performing training on a training sample, and obtaining a pulse wave quality assessment model;Evaluating signal quality: collecting pulse wave data, and extracting frequency domain and time sequence characteristics; And inputting the extracted characteristic parameters into an established pulse wave quality evaluatio |
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