Dr. Andrew D. Holmgren Profile

Dr. Andrew D. Holmgren

at BAE Systems Inc

SPIE Involvement:

Author

Publications (5)

Proceedings Article | 12 May 2016 Paper

Domain and range decomposition methods for coded aperture x-ray coherent scatter imaging

Ikenna Odinaka, Yan Kaganovsky, Joseph O'Sullivan, David Politte, Andrew Holmgren, Joel Greenberg, Lawrence Carin, David Brady

Proceedings Volume 9847, 98470R (2016) https://doi.org/10.1117/12.2224265

KEYWORDS: Coherence imaging, Coded apertures, Expectation maximization algorithms, Reconstruction algorithms, X-ray imaging, X-rays, Coded aperture imaging, Image restoration, Image processing, Optimization (mathematics)

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Proceedings Article | 12 May 2016 Paper

Impact of detector geometry for compressive fan beam snapshot coherent scatter imaging

Mehadi Hassan, Andrew Holmgren, Joel Greenberg, Ikenna Odinaka, David Brady

Proceedings Volume 9847, 98470X (2016) https://doi.org/10.1117/12.2224797

KEYWORDS: Fluctuations and noise, Sensors, Coherence imaging, Coded apertures, X-rays, X-ray detectors, Imaging systems, Collimators, Reconstruction algorithms, X-ray imaging

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Proceedings Article | 12 May 2016 Paper

Multi-view coded aperture coherent scatter tomography

Andrew Holmgren, Ikenna Odinaka, Joel Greenberg, David Brady

Proceedings Volume 9847, 98470A (2016) https://doi.org/10.1117/12.2223871

KEYWORDS: Coded apertures, Tomography, X-rays, Computed tomography, Anisotropy, Sensors, Fluctuations and noise, Signal detection, Calibration, Modulation

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Proceedings Article | 25 March 2016 Paper

Coded aperture x-ray diffraction imaging with transmission computed tomography side-information

Ikenna Odinaka, Joel Greenberg, Yan Kaganovsky, Andrew Holmgren, Mehadi Hassan, David Politte, Joseph O'Sullivan, Lawrence Carin, David Brady

Proceedings Volume 9783, 978323 (2016) https://doi.org/10.1117/12.2216915

KEYWORDS: Coded aperture imaging, X-ray diffraction, X-ray computed tomography, CT reconstruction, X-ray imaging, Computed tomography, Image restoration, Reconstruction algorithms, X-rays, Fluctuations and noise

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Proceedings Article | 7 March 2014 Paper

Coded aperture x-ray scatter tomography

Andrew Holmgren, Kenneth MacCabe, Martin Tornai, David Brady

Proceedings Volume 9020, 90200L (2014) https://doi.org/10.1117/12.2048267

KEYWORDS: Sensors, X-rays, Coded apertures, Fluctuations and noise, Tomography, 3D image reconstruction, Scattering, Signal detection, 3D image processing, X-ray detectors

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