Table 1.

Summary of recent work related to AD.

Research study	Dataset	Models	Average classification accuracy
Khan et al. (2)	Inage modality	Machine learning and deep learning models	Study on different ML and DL approaches, and different databases related to brain disease
Saratxaga et al. (21)	OASIS dataset	Deep learning and image processing technique	88%
Sudharsan and Thailambal (22)	ADNI dataset	Machine learning models	75%
Helaly et al. (5)	ADNI dataset	Convolutional neural networks	93% for multiclass AD stages
Shakila Basheer et al. (23)	OASIS dataset	Deep neural networks	92%
Martinez-Murcia et al. (3)	ADNI dataset	Deep learning using convolutional autoencoders	80%
Prajapati et al. (4)	ADNI dataset	Deep neural network binary classifier	85%