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. Author manuscript; available in PMC: 2026 Oct 8.
Published in final edited form as: Med Image Anal. 2025 Oct 8;107(Pt B):103833. doi: 10.1016/j.media.2025.103833

Table 2.

For the BraTs dataset, ablation of the k-space LHFP network and image domain HAFNet.

Domain T2WI (4×) T1WI (Low-field) T2WI (4×, Low-field)
PSNR ↑ SSIM ↑ PSNR ↑ SSIM ↑ PSNR ↑ SSIM ↑
Raw input 30.04±1.51 0.748±0.034 22.27±2.08 0.226±0.020 25.39±1.15 0.217±0.017
K-space LHFP only 35.45±1.60 0.957±0.008 36.68±1.87 0.956±0.009 33.37±1.45 0.937±0.026
Image domain HAFNet only 39.95±1.72 0.982±0.005 37.52±2.03 0.968±0.007 35.57±1.53 0.962±0.009
Dual domain (Ours) 40.25±1.71 0.983±0.005 39.21±1.93 0.977±0.005 36.55±1.54 0.968±0.008