Phantom-based performance comparison of two commercial deep learning CT reconstruction algorithms with super- and normal-resolution settings

The performance of a new deep learning super-resolution image reconstruction algorithm (SR-DLR) was compared to a normal-resolution (NR)-DLR algorithm using an image-quality phantom for an abdominal energy-integrating detector CT protocol. SR-DLR with a 1,024<sup>2</sup> matrix improved spatial resolution and detectability of simulated abdominal lesions compared to NR-DLR with a 512<sup>2</sup> matrix. Using SR-DLR, therefore, presents numerous prospects for improving abdominal CT images and a high potential for reducing the radiation doses.

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Publication Details

Journal
European Radiology Experimental
Published
2026-01-26
DOI
https://doi.org/10.1186/s41747-025-00670-2
Primary Topic
Radiation Dose and Imaging
Type
article
Field-Weighted Citation Impact
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Phantom-based performance comparison of two commercial deep learning CT reconstruction algorithms with super- and normal-resolution settings

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European Radiology Experimental
Radiation Dose and Imaging
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Phantom-based performance comparison of two commercial deep learning CT reconstruction algorithms with super- and normal-resolution settings

Djamel Dabli, Maxime Pastor, Joël Greffier, C. Roy, Jean-Paul Beregi
article en

Abstract

The performance of a new deep learning super-resolution image reconstruction algorithm (SR-DLR) was compared to a normal-resolution (NR)-DLR algorithm using an image-quality phantom for an abdominal energy-integrating detector CT protocol. SR-DLR with a 1,024<sup>2</sup> matrix improved spatial resolution and detectability of simulated abdominal lesions compared to NR-DLR with a 512<sup>2</sup> matrix. Using SR-DLR, therefore, presents numerous prospects for improving abdominal CT images and a high potential for reducing the radiation doses.

European Radiology ExperimentalVol. 10(1)
Université de Montpellier (FR), Hôpitaux Universitaires de Strasbourg (FR), Hôpital Civil, Strasbourg (FR), Université de Nîmes (FR)
Openalex Percentile: Top 79%
Radiation Dose and Imaging
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