Fractional Regularization Term for Variational Image Registration

Table 1

Parameters and numerical results for the registration of 3D industrial images. Each row corresponds, respectively, to registered datasets shown in Figure 3.

Regularizer	𝛼𝑜	𝜉𝑜	PSNR	CR	𝛼𝒮
Diffusion (𝜎=1)	50	1995	39.43 dB	99.73%	0.185
Curvature (𝜎=2)	65	1950	41.55 dB	99.85%	0.162
Fractional (𝜎=1.75)	40	1335	41.64 dB	99.86%	0.159