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Rapid Filtration Methods for Dual-energy X-ray CT
RPI ID: 2016-056-401, 2016-056-601, 2016-056-602, 2016-056-603Innovation Summary:This portfolio features a suite of advanced filtration technologies developed to enhance the performance of dual-energy X-ray computed tomography (DECT) systems. These innovations address key limitations in spectral separation, motion artifact reduction, and computational...
Published: 7/21/2025
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Updated: 7/7/2025
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Inventor(s): Wenxiang Cong, Yan Xi, Ge Wang
Keywords(s): Biomedical Engineering, computed tomography (CT), Diagnosis, Dual-energy X-ray CT, dual-layer x-ray detection, dual-source scanning, Imaging, kVp-switching, Measurement, Safety
Category(s): Biotechnology and the Life Sciences
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X-ray phase imaging
RPI ID: 2015-027-201Innovation Summary:This invention describes a phase-contrast imaging system using X-rays and a dual-grating setup to visualize soft tissues and materials with weak attenuation. It includes a quasi-periodic phase grating and an analyzer grating to produce high-contrast images of subtle structural features. Second-order diffraction...
Published: 7/21/2025
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Updated: 7/3/2025
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Inventor(s): Wenxiang Cong, Ge Wang, Yan Xi
Keywords(s):
Category(s): Biotechnology and the Life Sciences
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CT metal artifact reduction (MAR) using high energy x-rays
RPI ID: 2015-022-201Innovation Summary:This technology provides a computational imaging solution for reducing metal artifacts in CT scans using dual-energy datasets. It captures X-ray projection data at two different energy levels and uses a pseudo-dataset to adjust for variations in attenuation caused by metal. The method identifies metal trace regions...
Published: 7/21/2025
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Updated: 7/3/2025
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Inventor(s): Bruno De Man, Yannon Jin, Ge Wang, Yan Xi
Keywords(s): Biomedical Engineering, Imaging
Category(s): Biotechnology and the Life Sciences
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Liquid crystal display with refractive index matched electrodes
RPI ID: 2010-001-201Innovation Summary:This patented technology introduces a liquid crystal display (LCD) architecture that incorporates transparent electrodes with a refractive index matched to surrounding layers. This design minimizes internal reflections and maximizes light transmission through the display stack. The result is improved image brightness,...
Published: 7/21/2025
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Updated: 7/3/2025
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Inventor(s): Jaehee Cho, E. Fred Schubert, Xing Yan
Keywords(s):
Category(s): Energy, Environment and Smart Systems
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