A New Approach for Parkinson's Disease Imaging Diagnosis Using Digitized Spiral Drawing
2020
Parkinson's disease is the most general neurodegenerative disease, upsetting
notably motor functions of elderly persons. The diagnosis and monitoring of
Parkinson's disease is a costly and inconvenient process even today, in
particular, in developing parts of the world. The observable symptoms of
Parkinson's disease at early stages include disorders in handwriting and
repetitive tasks of spiral drawing. With the advancement of IT, it is easier to
collect spiral drawing samples using digitized tablets. We proposed detailed
analysis of static and dynamic spirals drawn by Parkinson's disease patients. For
this, nearly all kinematic variables are taken out from data files generated for
25 patients and 15 healthy controls, using mathematical models and from PNG
drawing files of 15 patients and 15 healthy controls.
The second dataset of 30 persons is evaluated with HOG feature engineering and
classified using ensemble and machine learning models. Results demonstrated nearly
91% classification accuracy to separate Parkinson's disease patients from healthy
controls by applying feature engineering and three machine learning classifiers:
Logistic regression, C-support vector classification and ensemble model random
forest. This chapter confirms that digitized spiral drawings have a major impact
on the classification of Parkinson's disease patients and healthy controls and
hence can support future diagnosis and treatment of Parkinson's disease based on
data files as well as digital drawings.
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