Advance of AI-Based Predictive Models for Diagnosis of Alzheimer's Disease (AD) in Healthcare

Table 1.

Summary on Machine Learning-Driven for EarlyDetection of Alzheimer's Disease in Healthcare

References Methodology Dataset Performance Limitations & Future Work

Afzal et al., 2019 Transfer learning + data augmentation on 3D MRI OASIS 98.41% (single view), 95.11% (3D view) Class imbalance in dataset; need for balanced multiclass classification of AD stages
Ahmed et al., 2019 CNN ensemble on TVPs of left/right hippocampus GARD 90.05% accuracy Focused only on hippocampus; small dataset; overfitting still a concern
Silva et al., 2019 Deep feature extraction + classical ML classifiers (RF, SVM, K-NN) MIRIAD RF: 88.32%, SVM: 96.07%, K-NN: 87.45% Limited region of brain (30 slices); classification only between AD vs. HC
Altaf et al., 2018 Hybrid of clinical + texture features; BoVW model ADNI Binary: 98.4%, Multi-class: 79.8% Moderate performance in multi-class classification; relies on handcrafted features
Mahyoub et al., 2018 ML classifiers on lifestyle, demography, and medical history Custom tabular dataset Sensitivity: 0.741, Specificity: 0.515 (test) Poor generalization; low precision; limited data modalities
Padole et al., 2018 Graph CNN using resting-state fMRI ADNI 92.44% accuracy Focused only on fMRI; computationally intensive graph construction