Table 1 Comparison of registration results (see Figures 7 & 8) by different values of parameter λ₂ (λ₁ = 5, λ₃ = 1) based on the proposed method.

RMS

PSNR

COR

MI

without MMBs

λ₂ = 1e-4

0.0874

21.1311

0.3145

0.0605

λ₂ = 1e-2

0.0887

21.0074

0.3060

0.0618

λ₂ = 1

0.0915

20.7375

0.3111

0.0624

λ₂ = 1e+2

0.0843

21.4505

0.3100

0.0629

λ₂ = 1e+4

0.0852

21.3619

0.3075

0.0661

with MMBs

λ₂ = 1e-4

0.0511

25.7932

0.4004

0.0811

λ₂ = 1e-2

0.0514

25.7391

0.3995

0.0806

λ₂ = 1

0.0515

25.7226

0.4090

0.0815

λ₂ = 1e+2

0.0435

27.1892

0.5303

0.0803

λ₂ = 1e+4

0.0483

26.2765

0.4545

0.0827