Pereira et al. Pereira et al. 2015) |
2015 |
ML using NB, SVM, and OPF |
HandPD |
Image |
Proposing “HandPD” dataset |
Achieved accuracy is low |
78.9% using NB |
Pereira et al. Pereira et al. 2016b) |
2016 |
CNN |
|
|
Proposing an extension to the “HandPD” dataset using signals from a smartpen from meander and spiral drawings |
(1) The use of an imbalanced dataset with more healthy samples and (2) the usage of tablet-based devices requires specific conditions for good quality |
80.19% |
Pereira et al. Pereira et al. 2016a) |
2016 |
Metaheuristics + CNN |
|
|
Usage of metaheuristic algorithms to tune the hyperparameters |
The usage of imbalanced dataset with more healthy samples |
90.39% |
Pereira et al. Pereira et al. 2018) |
2018 |
CNN |
|
|
(1) CNN is applied for learning features from handwritten dynamics and (2) proposing “NewHandPD” dataset extracted by the use of a smartpen |
Process of the time-series data in a black-box manner |
95% |
Senatore et al. Senatore et al. 2019) |
2019 |
CGP |
|
|
The usage of Cartesian Genetic Programming to provide explicit classification rules |
Poor results for spiral images |
72.36% |
Impedovo et al. Impedovo 2019) |
2019 |
SVM with a linear kernel |
PaHaW |
|
Usage of velocity signals |
Useful in online handwriting only |
98.44% |
Naseer et al. Naseer et al. 2020) |
2020 |
CNN using AlexNet |
|
|
(1) The usage of fine-tuned pretrained models and (2) the usage of k-fold cross-validation |
(1) No consideration of dimensionality reduction and (2) vulnerability to acoustic conditions |
98.28% |
Kamran et al. Kamran et al. 2021) |
2021 |
CNN using AlexNet, GoogLeNet, VGG, and ResNet |
HandPD, NewHandPD, and Parkinson’s Drawing datasets |
|
(1) The usage of several datasets and (2) high achieved accuracy. |
Poor accuracy in case of scratch CNN |
99.22% using AlexNet |
Sakar et al. Sakar et al. 2013) |
2013 |
SVM, KNN |
Speech data |
Voice |
Proposal of voice dataset for Parkinson’s disease |
Results are biased |
77.5% |
Caliskan et al. Caliskan et al. 2017) |
2017 |
DNN |
OPD and PSD |
|
Remote diagnosis ability |
Low accuracy |
93.79% |
Tuncer et al. Tuncer and Dogan 2019) |
2019 |
SVM, 1NN, DT, and logistic regression |
Vowel |
|
Gender classification is taken into account |
The usage of small data |
97.62% by 1NN |
Zahid et al. Zahid et al. 2020) |
2020 |
AlexNet |
pc-Gita |
|
(1) The usage of deep features of speech and (2) proving that pronunciation of vowels are sufficient in diagnosis |
Poor accuracy for isolated words |
99.7% |