Mr. Christopher Wiedeman Profile

Christopher Wiedeman

at Rensselaer Polytechnic Institute

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Author

Publications (4)

Proceedings Article | 17 October 2024 Presentation + Paper

Interior photon-counting CT data denoising via multi-agent reinforcement learning

Md Sayed Tanveer, Christopher Wiedeman, Yongyi Shi, Hengyong Yu, Ge Wang

Proceedings Volume 13152, 131520C (2024) https://doi.org/10.1117/12.3029551

KEYWORDS: Denoising, Image restoration, Data modeling, Computed tomography, Reconstruction algorithms

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Proceedings Article | 10 November 2022 Presentation + Paper

A data generation pipeline for cardiac vessel segmentation and motion artifact grading

Asif Sushmit, Yongshun Xu, Olivia Mariani, Qing Lyu, Ying Li, Ximiao Cao, Christopher Wiedeman, Hongfeng Ma, Jonathan Maltz, Hengyong Yu, Ge Wang

Proceedings Volume 12242, 122421J (2022) https://doi.org/10.1117/12.2642869

KEYWORDS: Data modeling, Computed tomography, Image segmentation, Heart, Image quality, Pathology, Performance modeling, Motion models, Arteries, Scanners

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Proceedings Article | 9 September 2021 Presentation + Paper

Simultaneous electron density and attenuation coefficient reconstruction: a feasibility study

Christopher Wiedeman, Wenxiang Cong, Ge Wang

Proceedings Volume 11840, 118400D (2021) https://doi.org/10.1117/12.2596280

KEYWORDS: Signal attenuation, Sensors, Photons, Medical imaging, CT reconstruction, Computed tomography, Image restoration, Tomography, Scattering, Image analysis

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Proceedings Article | 9 September 2019 Paper

Simultaneous reconstruction of the initial pressure and sound speed in photoacoustic tomography using a deep-learning approach

Hongming Shan, Christopher Wiedeman, Ge Wang, Yang Yang

Proceedings Volume 11105, 1110504 (2019) https://doi.org/10.1117/12.2529984

KEYWORDS: Tissue optics, Acquisition tracking and pointing, Reconstruction algorithms, Acoustics, Ultrasonography, Photoacoustic tomography, Feature extraction, 3D modeling, Thermography, Mathematical modeling

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