Papers › Diffusion-based Generative Image Outpainting for Recovery of FOV-Truncated CT Images

Diffusion-based Generative Image Outpainting for Recovery of FOV-Truncated CT Images

7 Jun 2024arXiv:2406.04769archive 2025-07-28

Michelle Espranita Liman, Daniel Rueckert, Florian J. Fintelmann, Philip Müller

Field-of-view (FOV) recovery of truncated chest CT scans is crucial for accurate body composition analysis, which involves quantifying skeletal muscle and subcutaneous adipose tissue (SAT) on CT slices. This, in turn, enables disease prognostication. Here, we present a method for recovering truncated CT slices using generative image outpainting. We train a diffusion model and apply it to truncated CT slices generated by simulating a small FOV. Our model reliably recovers the truncated anatomy and outperforms the previous state-of-the-art despite being trained on 87% less data.

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michelleespranita/ct_palette officialmentioned in papermentioned on GitHubpytorch report

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AnatomyImage Outpainting

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Diffusion

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