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About this paper
Susanne Schaub, Florentin Bieder, Matheus L. Oliveira, Yulan Wang, Buyanbileg Sodnom-ish, Dorothea Dagassan-Berndt, Michael M. Bornstein, Philippe C. Cattin
The authors present a method for reconstructing anatomy beyond the field of view in dental cone-beam CT. It fits an implicit neural representation to truncated projections, extends the projections, reconstructs a volume, and refines it with a diffusion model. On ex vivo pig-jaw scans, three-step INR-IR-DDPM achieved SSIM 0.985 ± 0.006 versus 0.979 ± 0.010 for IR-DDPM; MMDental results were comparable.
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