Automated Identification of Dementia Using FDG-PET Imaging

Table 5

Accuracy of our algorithms when different kernel functions were used.

Trials	1st feature group 𝑋𝑖^(𝑀)	2nd feature group 𝑋𝑖^(𝑆)	3rd feature group 𝑋𝑖^(𝐴)	Accuracy
1	Linear; kernel	Polynomial; kernel	Gaussian; kernel	94.62%
2	Linear; kernel	Gaussian; kernel	Polynomial; kernel	93.60%
3	Polynomial; kernel	Linear; kernel	Gaussian; kernel	93.05%
4	Polynomial; kernel	Gaussian; kernel	Linear; kernel	90.15%
5	Gaussian; kernel	Linear; kernel	Polynomial; kernel	90.20%
6	Gaussian; kernel	Polynomial; kernel	Linear; kernel	93.16%

The bold font refers to the best performance obtained in each test.