. Author manuscript; available in PMC: 2025 Aug 22.

Published in final edited form as: Proc IEEE Int Symp Biomed Imaging. 2025 May 12;2025:10.1109/isbi60581.2025.10980709. doi: 10.1109/isbi60581.2025.10980709

Table 1.

Comparison with interpolation methods. No GT is required, all methods run on the validation set only.

Input (mm)	Factor	Trilinear		Nearest		3D-spline		Proposed
Input (mm)	Factor	PSNR	SSIM	PSNR	SSIM	PSNR	SSIM	PSNR	SSIM
1.875	×1.25	78.16	0.9446	74.92	0.9351	81.01	0.9571	83.93	0.9673
2.25	×1.5	75.07	0.9265	70.68	0.9077	75.57	0.9334	79.76	0.9497
2.62	×1.75	73.54	0.9169	66.90	0.8712	71.60	0.9073	76.50	0.9365
3	×2	69.59	0.8855	68.47	0.8874	67.42	0.8729	73.53	0.9218