Deep Learning-Based Ensembling Technique to Classify Alzheimer’s Disease Stages Using Functional MRI

Table 2

Dataset description before and after preprocessing.

Class	Before augmentation	After augmentation
AD	50,101	1,35,000
CN	52,518	1,35,000
EMCI	49,552	1,35,000
MCI	47,856	1,35,000
LMCI	44,840	1,35,000
SMC	45,420	1,35,000
Total	2,90,287	8,10,000

The bold values show the count of images before and after applying data augmentation techniques.