Nonlinear gait dynamics discrimination method for Parkinson gait risk assessment
A technique of nonlinear dynamics and risk assessment, applied in the field of nonlinear gait dynamics discriminant map, which can solve problems such as insufficient characterization of dynamic essential characteristics
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[0062] Such as figure 1 As shown, it is a flow chart for Parkinson's gait risk assessment and discrimination in an embodiment of the present invention, including the following steps:
[0063] Step 1 obtains the gait gait time parameter series data of Parkinson's patient and control group: the present invention is to make research result true and reliable, verify its better effect, and data set is by (http: / / www.physionet.org / gait dynamics database provided by physiobank / database / gaitndd). The gait signal was obtained through pressure sensors placed on the soles of the subjects' shoes. Currently the database provides the following gait parameters: elapsed time (s), left foot stride duration (s), right foot stride duration (s), left foot swing duration (s), right foot swing duration (s) , Left foot swinging time (stride percentage), right foot swinging time (stride percentage), left foot standing time (s), right foot standing time (s), left foot standing time (stride percenta...
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