Table 6 Proposed algorithm in comparison with the previous.

From: Classification method based on surf and sift features for alzheimer diagnosis using diffusion tensor magnetic resonance imaging

Previous works

Maps used

Features extraction method

Classifier

Accuracy

Dyrba et al.27

FA and MD indices

Using the plant’s approach

SVM

80% FA

83% MD

Ahmed et al.29

The visual appearance of MD maps

CHF

SVM

86.7% AD vs. NC

73% AD vs. MCI

Ahmed et al.31

MD maps

A multimodal approach using LG-CHF

SVM

90.2% AD vs. NC

77% AD vs. MCI

The proposed CAD method

The visual appearance of MD, FA, and RD maps

Also Fusion of features of the three maps

BoW based on SIFT and SURF features

SVM

87.5% MD & FA multiclass

92.5% & 89% FA and MD AD vs. MCI

99 & 91% MD and FA AD vs. NC

97.5% Fusion features AD vs. NC,

89% RD multiclass,

98.5% RD AD vs. MCI