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- W4295036013 abstract "This study aimed to develop an automated scan range selection for minimal patient irradiation in CT examinations within the chest region. A total number of 20,820 chest CT images acquired for various indications were collected, the 3D lung masks were generated using a Deep Neural Network (DNN) developed by our group. Consequently, 2D projected localizer images and masks were computed in lateral (lat) and anterior-posterior (AP) directions. We developed a deep learning algorithm to predict the lung mask from 2D localizer images. Thereby, the scan range is automatically determined without the technologist’s intervention. Lastly, the impact of over-ranging on patients’ effective dose was investigated through personalized dosimetry of the given cohort. A significant over-scanning range (31±24 mm) was observed in the clinical setting for more than 95% of cases. The average Dice coefficient for 2D lung segmentation was 0.96 and 0.97 for AP and lateral projections, respectively. The proposed approach resulted in errors of 0.08±1.46 and -1.5±4.1 mm in the superior and inferior directions, respectively. The effective dose (ED) was reduced by 21% in the unseen external dataset when using the proposed automated scan range selection." @default.
- W4295036013 created "2022-09-09" @default.
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- W4295036013 date "2021-10-16" @default.
- W4295036013 modified "2023-10-18" @default.
- W4295036013 title "Deep Learning-based Fully Automated Scan Range Detection in Chest CT Imaging" @default.
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- W4295036013 doi "https://doi.org/10.1109/nss/mic44867.2021.9875808" @default.
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