Pulse-Wave-Pattern Classification with a Convolutional Neural Network.

Abstract:

:Owing to the diversity of pulse-wave morphology, pulse-based diagnosis is difficult, especially pulse-wave-pattern classification (PWPC). A powerful method for PWPC is a convolutional neural network (CNN). It outperforms conventional methods in pattern classification due to extracting informative abstraction and features. For previous PWPC criteria, the relationship between pulse and disease types is not clear. In order to improve the clinical practicability, there is a need for a CNN model to find the one-to-one correspondence between pulse pattern and disease categories. In this study, five cardiovascular diseases (CVD) and complications were extracted from medical records as classification criteria to build pulse data set 1. Four physiological parameters closely related to the selected diseases were also extracted as classification criteria to build data set 2. An optimized CNN model with stronger feature extraction capability for pulse signals was proposed, which achieved PWPC with 95% accuracy in data set 1 and 89% accuracy in data set 2. It demonstrated that pulse waves are the result of multiple physiological parameters. There are limitations when using a single physiological parameter to characterise the overall pulse pattern. The proposed CNN model can achieve high accuracy of PWPC while using CVD and complication categories as classification criteria.

journal_name

Sci Rep

journal_title

Scientific reports

authors

Li G,Watanabe K,Anzai H,Song X,Qiao A,Ohta M

doi

10.1038/s41598-019-51334-2

subject

Has Abstract

pub_date

2019-10-17 00:00:00

pages

14930

issue

1

issn

2045-2322

pii

10.1038/s41598-019-51334-2

journal_volume

9

pub_type

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