Table 6 Performance comparison for different values of \(N\) (number of fusion paths) in the multi-path fusion strategy. Values in bold indicate the best performance.

From: A novel multimodel medical image fusion framework with edge enhancement and cross-scale transformer

Fusion

tasks

CT and MRI image fusion

PET and MRI image fusion

SPECT and MRI image fusion

\(N=1\)

\(N=3\)

\(N=4\)

\(N=1\)

\(N=3\)

\(N=4\)

\(N=1\)

\(N=3\)

\(N=4\)

MI

3.2559

3.6244

3.3282

3.9962

4.5539

4.5547

4.0444

4.5115

4.4145

Qabf

0.5679

0.6497

0.6406

0.7501

0.7555

0.7558

0.7346

0.7378

0.7381

VIF

0.5671

0.6707

0.6109

0.8233

0.8788

0.8834

0.8545

0.8796

0.8825

SSIM

0.6451

0.6554

0.6703

0.6375

0.6487

0.6483

0.6135

0.6152

0.6107

Qcb

0.6804

0.6981

0.6916

0.6230

0.6552

0.6535

0.6788

0.6779

0.6744

Qcv\(\downarrow\)

1288.90

1150.07

1389.13

72.10

71.50

71.44

51.23

50.37

50.15