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- 저자 : Maheshwari Prasad Singh (검색결과 1 건)
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A deep learning approach for prediction of Parkinson’s disease progression
Afzal Hussain Shahid,Maheshwari Prasad Singh 대한의용생체공학회 2020 Biomedical Engineering Letters (BMEL) Vol.10 No.2
This paper proposes a deep neural network (DNN) model using the reduced input feature space of Parkinson’s telemonitoringdataset to predict Parkinson’s disease (PD) progression. PD is a chronic and progressive nervous system disorder that aff ectsbody movement. PD is assessed by using the unifi ed Parkinson’s disease rating scale (UPDRS). In this paper, fi rstly, principalcomponent analysis (PCA) is employed to the featured dataset to address the multicollinearity problems in the dataset andto reduce the dimension of input feature space. Then, the reduced input feature space is fed into the proposed DNN modelwith a tuned parameter norm penalty (L2) and analyses the prediction performance of it in PD progression by predictingMotor and Total-UPDRS score. The model’s performance is evaluated by conducting several experiments and the result iscompared with the result of previously developed methods on the same dataset. The model’s prediction accuracy is measuredby fi tness parameters, mean absolute error (MAE), root mean squared error (RMSE), and coeffi cient of determination (R 2 ). The MAE, RMSE, and R 2 values are 0.926, 1.422, and 0.970 respectively for motor-UPDRS. These values are 1.334, 2.221,and 0.956 respectively for Total-UPDRS. Both the Motor and Total-UPDRS score is better predicted by the proposed method. This paper shows the usefulness and effi cacy of the proposed method for predicting the UPDRS score in PD progression.
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