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Generative AI models improve X-ray detector gap interpolation

Researchers have adapted generative models, specifically Wasserstein GAN with gradient penalty (WGAN-GP) and Pix2Pix, for interpolating gaps in photon-counting X-ray imaging detectors. These models were trained on nanoCT projections with simulated gaps and compared against traditional methods like linear interpolation and Navier--Stokes inpainting, as well as a deep inpainting network called MADF. The generative models demonstrated superior performance in perceptual similarity and histogram distance, with Pix2Pix requiring less training time and producing more natural gap filling when applied to sinograms, though the improvement in reconstruction quality was marginal. AI

IMPACT This research demonstrates a novel application of generative AI for improving image quality in scientific imaging, potentially enhancing downstream analysis in fields like medical imaging.

RANK_REASON Academic paper detailing a novel application of generative models to a specific scientific imaging problem. [lever_c_demoted from research: ic=1 ai=1.0]

Read on arXiv cs.AI →

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Generative AI models improve X-ray detector gap interpolation

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Academic paper detailing a novel application of generative models to a specific scientific imaging problem. [lever_c_demoted from research: ic=1 ai=1.0]
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COVERAGE [1]

  1. arXiv cs.AI TIER_1 English(EN) · Johannes B. Thalhammer, Patrick Ilg, Tina Dorosti, Sebastian Peterhansl, Theresa Hiu, Daniel Frey, Zijin Huang, Florian Schaff, Daniela Pfeiffer, Franz Pfeiffer ·

    Learning-Based Interpolation of Detector Gaps in Photon-Counting X-ray Imaging

    arXiv:2611.15614v1 Announce Type: cross Abstract: Image detectors assembled from tiled modules have physical gaps in the field of view that must be filled before downstream processing such as phase retrieval or tomographic reconstruction. Unlike natural-image inpainting, detector…