Dr. Gary S. Keyes Profile

Dr. Gary S. Keyes

Professor at Univ of Tennessee Health Science Ctr

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Author

Publications (7)

Proceedings Article | 19 March 2008 Paper

Analysis of axial spatial resolution in a variable resolution x-ray cone beam CT (VRX-CBCT) system

Bahram Dahi, Gary Keyes, David Rendon, Frank DiBianca

Proceedings Volume 6913, 69134Y (2008) https://doi.org/10.1117/12.773068

KEYWORDS: Modulation transfer functions, Spatial resolution, X-ray computed tomography, Sensors, X-rays, Reconstruction algorithms, Scintillators, Image resolution, X-ray detectors, Calibration

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Proceedings Article | 18 March 2008 Paper

Reconstruction artifacts in VRX CT scanner images

David Rendon, Frank DiBianca, Gary Keyes

Proceedings Volume 6913, 691337 (2008) https://doi.org/10.1117/12.773031

KEYWORDS: Scanners, Sensors, Bone, X-ray computed tomography, X-rays, Calibration, X-ray detectors, CT reconstruction, Spatial resolution, Computer simulations

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Proceedings Article | 15 March 2007 Paper

Performance analysis of a CsI-based flat panel detector in a cone beam variable resolution x-ray system

Bahram Dahi, Gary Keyes, David Rendon, Frank DiBianca

Proceedings Volume 6510, 65104B (2007) https://doi.org/10.1117/12.710180

KEYWORDS: Modulation transfer functions, Sensors, X-rays, X-ray computed tomography, Spatial resolution, X-ray detectors, Image resolution, Reconstruction algorithms, Calibration, Scintillators

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Proceedings Article | 15 March 2007 Paper

Comparison of multi-arm VRX CT scanners through computer models

David Rendon, Frank DiBianca, Gary Keyes

Proceedings Volume 6510, 65103Y (2007) https://doi.org/10.1117/12.710153

KEYWORDS: Scanners, Spatial resolution, Modulation transfer functions, X-ray computed tomography, Sensors, Signal to noise ratio, Image resolution, Computer simulations, X-rays, Target detection

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Proceedings Article | 20 April 2005 Paper

Four-arm variable-resolution x-ray detector for CT target imaging

Frank DiBianca, Daya Gulabani, Lawrence Jordan, Sravanthi Vangala, David Rendon, Joseph Laughter, Roman Melnyk, M. Gaber, Gary Keyes

Proceedings Volume 5745, (2005) https://doi.org/10.1117/12.594102

KEYWORDS: Sensors, X-ray detectors, Target detection, X-rays, X-ray computed tomography, Spatial resolution, Image resolution, Scanners, Signal detection, X-ray imaging

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Proceedings Article | 14 April 2005 Paper

Volumetric analysis of tumors in rodents using the variable resolution x-ray (VRX) CT-scanner

M. Waleed Gaber, Christy Wilson, Christopher Duntsch, Hemant Shukla, Janice Zawaski, Lawrence Jordan, David Rendon, Sravanthi Vangalaa, Gary Keyes, Frank DiBianca

Proceedings Volume 5746, (2005) https://doi.org/10.1117/12.595786

KEYWORDS: Tumors, X-rays, Optical spheres, X-ray computed tomography, Brain, X-ray imaging, Imaging systems, Image resolution, Neuroimaging, Animal model studies

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Proceedings Article | 26 May 1999 Paper

Hardcopy requirements and imager characteristics for full-field digital mammography (FFDM) applications

Sarat Mohapatra, Walter Anderson, Gary Keyes, Thomas Lindquist, Vianne Pearson

Proceedings Volume 3658, (1999) https://doi.org/10.1117/12.349438

KEYWORDS: Imaging systems, Image quality, Digital mammography, Mammography, Contrast transfer function, Image processing, Printing, Sensors, Image resolution, Image storage

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Showing 5 of 7 publications

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