Mr. Alex J. Allphin Profile

Alex J. Allphin

at Duke Univ

SPIE Involvement:

Author

Publications (16)

Proceedings Article | 2 April 2024 Presentation + Paper

Whole heart CNN-based segmentation for phenotypical analysis of APOE mouse models using photon counting cine cardiac micro-CT data

A. Allphin, R. Nadkarni, Z. Han, D. Clark, A. Badea, C. Badea

Proceedings Volume 12930, 129300G (2024) https://doi.org/10.1117/12.3006853

KEYWORDS: Image segmentation, Heart, Computed tomography, Anatomy, Photon counting, Mouse models

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Proceedings Article | 2 April 2024 Presentation + Paper

Volumetric brain region segmentation and morphometry in mouse models using high-resolution hybrid micro-CT imaging

R. Nadkarni, Z. Han, R. Anderson, A. Allphin, D. Clark, A. Badea, C. Badea

Proceedings Volume 12930, 129300N (2024) https://doi.org/10.1117/12.3006932

KEYWORDS: Brain, Neuroimaging, Image segmentation, Mouse models, Alzheimer disease, Photon counting

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Proceedings Article | 2 April 2024 Presentation + Paper

Photon counting micro-CT imaging of Bi2WO6 nanoparticles

C. Badea, R. Bhavane, A. Allphin, R. Nadkarni, D. Clark, A. Annapragada, K. Ghaghada

Proceedings Volume 12930, 1293018 (2024) https://doi.org/10.1117/12.3005891

KEYWORDS: Bismuth, Nanoparticles, Simulations, Calcium, Biological imaging, X-ray computed tomography, Photon counting, Gold nanoparticles, Contrast agents, X-rays

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Proceedings Article | 2 April 2024 Presentation + Paper

Enhancing in vivo preclinical studies with VivoVist™ and photon-counting micro-CT imaging

C. Badea, A. Rickard, A. Allphin, D. Clark, K. Ghaghada, S. Ridwan, H. Smilowitz, J. Hainfeld, Y. Mowery

Proceedings Volume 12930, 129300V (2024) https://doi.org/10.1117/12.3005892

KEYWORDS: Tumors, Barium, Iodine, Biological imaging, Radiotherapy, Contrast agents, Calcium, Blood, X-ray computed tomography, Photon counting

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Proceedings Article | 1 April 2024 Poster + Paper

An acquisition-based approach for high-fidelity infilling of photon-counting x-ray detector pixel gaps

A. Allphin, R. Nadkarni, D. Clark, C. Badea

Proceedings Volume 12925, 129252V (2024) https://doi.org/10.1117/12.3006850

KEYWORDS: Sensors, X-ray computed tomography, X-ray detectors, Photodetectors, Interpolation, X-rays, X-ray imaging, Spatial resolution, Reconstruction algorithms, Image restoration

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Proceedings Article | 1 April 2024 Presentation + Paper

Advancing preclinical micro-photon counting CT perfusion imaging: from phantom experiments to in vivo applications

A. Allphin, D. Clark, C. Gil, M. Tomov, V. Serpooshan, C. Badea

Proceedings Volume 12925, 129250J (2024) https://doi.org/10.1117/12.3006836

KEYWORDS: Perfusion imaging, Computed tomography, Bioprinting, Biological imaging, In vivo imaging, Imaging systems, Visualization, Blood circulation

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Proceedings Article | 1 April 2024 Poster + Paper

Multi-channel reconstruction (MCR) toolkit v2.0: open-source Python-based tools for x-ray CT reconstruction

D. Clark, A. Allphin, R. Nadkarni, C. Badea

Proceedings Volume 12925, 129252H (2024) https://doi.org/10.1117/12.3006978

KEYWORDS: Reconstruction algorithms, Denoising, MATLAB, CT reconstruction, Image restoration, Medical image reconstruction, Data modeling, Interfaces, X-rays

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Proceedings Article | 1 April 2024 Poster + Paper

Deep learning models for rapid denoising of 5D cardiac photon-counting micro-CT images

R. Nadkarni, D. Clark, A. Allphin, C. Badea

Proceedings Volume 12925, 129252Y (2024) https://doi.org/10.1117/12.3006902

KEYWORDS: Denoising, Singular value decomposition, In vivo imaging, Deep learning, Cardiac imaging

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Proceedings Article | 10 April 2023 Presentation + Paper

Ex vivo high-resolution hybrid micro-CT imaging using photon counting and energy integrating detectors

A. Allphin, R. Nadkarni, D. Clark, C. Badea

Proceedings Volume 12468, 124680V (2023) https://doi.org/10.1117/12.2654370

KEYWORDS: Modulation transfer functions, Photon counting, Biological imaging, X-ray computed tomography, Iodine, Contrast agents, Spatial resolution

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Proceedings Article | 7 April 2023 Presentation + Paper

Spectral micro-CT imaging of multiple K-edge elements using GaAs and CdTe photon counting detectors

A. Allphin, D. Clark, T. Thuering, Prajwal Bhandari, K. Ghaghada, C. Badea

Proceedings Volume 12463, 124630T (2023) https://doi.org/10.1117/12.2654262

KEYWORDS: Gallium arsenide, Calcium, Bismuth, Chemical elements, X-ray computed tomography, Tantalum, Photon counting, Iodine, Spatial resolution

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Proceedings Article | 18 October 2022 Open Access

Material decomposition from photon-counting CT using a convolutional neural network and energy-integrating CT training labels

Rohan Nadkarni, Alex Allphin, Darin Clark, Cristian Badea

Proceedings Volume 12304, 123041K (2022) https://doi.org/10.1117/12.2646405

KEYWORDS: Convolutional neural networks, Computed tomography, Modulation transfer functions, Photon counting

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Proceedings Article | 18 October 2022 Open Access

Photon-counting x-ray CT perfusion imaging in animal models of cancer

Darin Clark, Alex Allphin, Yvonne Mowery, Cristian Badea

Proceedings Volume 12304, 123041B (2022) https://doi.org/10.1117/12.2646403

KEYWORDS: Reconstruction algorithms, X-ray computed tomography, Tumor growth modeling, X-rays, Cancer, Data acquisition, Animal model studies, X-ray imaging, Sensors, Tumors

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Proceedings Article | 18 October 2022 Open Access

Co-clinical photon counting CT research for multi-contrast imaging

C. Badea, D. Clark, A. Alphin, J. C. Ramirez-Giraldo, P. Bhandari, Y. Mowery, K. Ghaghada

Proceedings Volume 12304, 123040G (2022) https://doi.org/10.1117/12.2646399

KEYWORDS: Gadolinium, Tantalum, Tumors, Calcium, Denoising, Computed tomography, X-ray computed tomography, Scanners, Condition numbers, Reconstruction algorithms

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Proceedings Article | 4 April 2022 Presentation + Paper

Photon counting micro-CT for imaging Cisplatin

C. Badea, D. Clark, A. Allphin, K. Ghaghada, Y. Mowery

Proceedings Volume 12036, 120361I (2022) https://doi.org/10.1117/12.2612574

KEYWORDS: Platinum, Calcium, X-ray computed tomography, X-rays, Sensors, Tumors, Photon counting, Imaging systems, Cancer, X-ray imaging

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Proceedings Article | 4 April 2022 Presentation + Paper

Spectral micro-CT and radiomic analysis for classification of tumors based on lymphocytic burden in cancer therapy studies

A. Allphin, Y. Mowery, K. Lafata, D. Clark, A. Basil, Rico Castillo, M. Holbrook, K. Ghaghada, C. Badea

Proceedings Volume 12036, 120361H (2022) https://doi.org/10.1117/12.2611519

KEYWORDS: Tumors, Iodine, Computed tomography, Statistical analysis, Cancer, In vivo imaging, Image segmentation, Nanoparticles

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Proceedings Article | 4 April 2022 Presentation + Paper

Anatomical and functional cardiac PCCT imaging pipeline for characterization of Apolipoprotein E mouse models

A. J. Allphin, D. P. Clark, A. Badea, C. Badea

Proceedings Volume 12036, 120360Z (2022) https://doi.org/10.1117/12.2611806

KEYWORDS: Image segmentation, Mouse models, In vivo imaging, Imaging systems, Heart, X-ray computed tomography, Reconstruction algorithms, Iodine, Cardiac imaging

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Showing 5 of 16 publications

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