. Author manuscript; available in PMC: 2025 Aug 25.

Published in final edited form as: Proc IEEE Comput Soc Conf Comput Vis Pattern Recognit. 2025 Aug 13;2025:10455–10465. doi: 10.1109/cvpr52734.2025.00978

Table 4.

Ablation study on UNA. Testing images are real T1w MRI encoded with simulated pathology (same as first-row group in Tab. 1).

Method	`L1` (↓)			`PSNR` (↑)			`SSIM` (↑)
Method	F	H	D	F	H	D	F	H	D
`UNA`-(a)	0.0229	0.0193	0.0008	23.71	25.09	38.92	0.859	0.890	0.904
`UNA`-(b)	0.0195	0.0182	0.0005	25.79	27.30	42.35	0.903	0.925	0.950
`UNA`-(c)	0.0155	0.0163	0.0004	30.00	31.92	43.61	0.959	0.977	0.982
`UNA`-(d)	0.0195	0.0182	0.0005	27.13	28.04	42.97	0.931	0.950	0.969
`UNA`	0.0147	0.0143	0.0003	31.98	33.25	45.61	0.981	0.992	0.998

(F: full brain; H: healthy region; D: diseased region.)