PWD reconstructs limited-angle dental CT in 50 diffusion steps by guiding a DDIM sampler with an FBP prior and fusing wavelet features, reporting higher PSNR/SSIM than baselines, though the reported gain is inconsistent.
Spectral2Spectral: Image-spectral similarity assisted deep spectral CT reconstruction without reference,
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PWD: Prior-Guided and Wavelet-Enhanced Diffusion Model for Limited-Angle CT
PWD reconstructs limited-angle dental CT in 50 diffusion steps by guiding a DDIM sampler with an FBP prior and fusing wavelet features, reporting higher PSNR/SSIM than baselines, though the reported gain is inconsistent.