Mr. Yiqun Q. Ma Profile

Yiqun Q. Ma

at Johns Hopkins Univ

Publications (6)

Proceedings Article | 3 April 2023 Presentation + Paper

Revealing pelvic structures in the presence of metal hip prostheses via non-circular CBCT orbits

Tess Reynolds, Yiqun Ma, Tianyu Wang, Kai Mei, Peter Noël, Grace Gang, J. Webster Stayman

Proceedings Volume 12466, 124660Y (2023) https://doi.org/10.1117/12.2652980

KEYWORDS: Cone beam computed tomography, Biological imaging, Reconstruction algorithms, Medical image reconstruction, Calibration

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Proceedings Article | 18 October 2022 Open Access

Preliminary investigations of a novel dynamic CT collimator

J. Webster Stayman, Nir Eden, Yiqun Ma, Grace Gang, Allon Guez

Proceedings Volume 12304, 123040B (2022) https://doi.org/10.1117/12.2647268

KEYWORDS: Image quality, Collimators, X-rays, Data acquisition, Data modeling, Collimation, X-ray imaging, Model-based design

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Proceedings Article | 18 October 2022 Open Access

Practical workflow for arbitrary non-circular orbits for CT with clinical robotic C-arms

Yiqun Ma, Grace Gang, Tess Reynolds, Tina Ehitiati, Junyuan Li, Owen Dillon, Tom Russ, Wenying Wang, Clifford Weiss, Nicholas Theodore, Kelvin Hong, Ricky O’Brien, Jeffrey Siewerdsen, J. Webster Stayman

Proceedings Volume 12304, 123042H (2022) https://doi.org/10.1117/12.2647158

KEYWORDS: Calibration, Robotics, Image quality, Spine, Imaging systems, Reconstruction algorithms, Data acquisition, CT reconstruction, X-ray computed tomography

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Proceedings Article | 4 April 2022 Presentation + Paper

Fast CBCT reconstruction using convolutional neural networks for arbitrary robotic C-arm orbits

Tom Russ, Yiqun Ma, Alena-Kathrin Golla, Dominik Bauer, Tess Reynolds, Christian Tönnes, Sepideh Hatamikia, Lothar Schad, Frank Zöllner, Grace Gang, Wenying Wang, J. Webster Stayman

Proceedings Volume 12031, 120311I (2022) https://doi.org/10.1117/12.2612935

KEYWORDS: Deconvolution, Reconstruction algorithms, Computed tomography, Data acquisition, Convolutional neural networks, Robotics, Imaging systems

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Proceedings Article | 4 April 2022 Presentation + Paper

Non-circular CBCT orbit design and realization on a clinical robotic C-arm for metal artifact reduction

Yiqun Ma, Grace Gang, Tina Ehtiati, Tess Reynolds, Tom Russ, Wenying Wang, Clifford Weiss, Nicholas Theodore, Kelvin Hong, Jeffrey Siewerdsen, J. Webster Stayman

Proceedings Volume 12034, 120340A (2022) https://doi.org/10.1117/12.2612448

KEYWORDS: Metals, Robotics, Reconstruction algorithms, Calibration, Data acquisition, Spine, CT reconstruction, X-ray medical imaging, 3D acquisition, X-ray computed tomography

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Proceedings Article | 16 March 2020 Paper

Model-based material decomposition with system blur modeling

Wenying Wang, Matthew Tivnan, Grace Gang, Yiqun Ma, Qian Cao, Minghui Lu, Josh Star-Lack, Richard Colbeth, Wojciech Zbijewski, J. Webster Stayman

Proceedings Volume 11312, 113123Q (2020) https://doi.org/10.1117/12.2549549

KEYWORDS: Systems modeling, Iodine, Scintillators, Imaging systems, X-rays, Computed tomography, Dual energy imaging

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Showing 5 of 6 publications

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