Mr. Edward G. Shapiro Profile

Edward G. Shapiro

Senior Scientist at Varian Medical Systems Inc

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Author

Publications (10)

Proceedings Article | 9 March 2018 Presentation + Paper

Lung cancer, respiratory 3D motion imaging, with a 19 focal spot kV x-ray tube and a 60 fps flat panel imager

Larry Partain, Douglas Boyd, Samuel Song, Vitaliy Ziskin, Edward Seppi, Roy Rand, Austin Ely, Namho Kim, Kyle Foletta, Michael Weil, Megan Daly, John Boone, Stanley Benedict, Carlo Tognina, Edward Shapiro, Gary Okamoto, Stavros Prionas, Hai Pham, Gikas Mageras

Proceedings Volume 10573, 105730X (2018) https://doi.org/10.1117/12.2293184

KEYWORDS: X-rays, Fluoroscopy, Imaging systems, Radiotherapy, X-ray imaging, X-ray computed tomography, Lung cancer, 3D image processing, 3D image reconstruction, Prototyping

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Proceedings Article | 18 March 2015 Paper

Asymmetric scatter kernels for software-based scatter correction of gridless mammography

Adam Wang, Edward Shapiro, Sungwon Yoon, Arundhuti Ganguly, Cesar Proano, Rick Colbeth, Erkki Lehto, Josh Star-Lack

Proceedings Volume 9412, 94121I (2015) https://doi.org/10.1117/12.2081501

KEYWORDS: Breast, Mammography, Digital mammography, Monte Carlo methods, Sensors, Image quality, Signal detection, Signal attenuation, Image restoration, Point spread functions

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Proceedings Article | 15 March 2007 Paper

Multidetector-row CT with a 64–row amorphous silicon flat panel detector

Edward Shapiro, Richard Colbeth, Earl Daley, Isaias Job, Ivan Mollov, Todor Mollov, John Pavkovich, Pieter Roos, Josh Star-Lack, Carlo Tognina

Proceedings Volume 6510, 65103X (2007) https://doi.org/10.1117/12.713682

KEYWORDS: Sensors, Scintillators, Diagnostics, Signal to noise ratio, Scanners, Ceramics, Modulation transfer functions, X-rays, Amorphous silicon, X-ray computed tomography

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Proceedings Article | 20 April 2005 Paper

Flat panel CT detectors for sub-second volumetric scanning

Richard Colbeth, Ivan Mollov, Pieter Roos, Edward Shapiro

Proceedings Volume 5745, (2005) https://doi.org/10.1117/12.595631

KEYWORDS: Sensors, Computed tomography, X-rays, Scanners, Imaging systems, Photodiodes, X-ray computed tomography, Fluoroscopy, Scintillators, Electronics

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Proceedings Article | 6 May 2004 Paper

Multiple-gain-ranging readout method to extend the dynamic range of amorphous silicon flat-panel imagers

Pieter Roos, Richard Colbeth, Ivan Mollov, Peter Munro, John Pavkovich, Edward Seppi, Edward Shapiro, Carlo Tognina, Gary Virshup, J. Micheal Yu, George Zentai, Wolfgang Kaissl, Evangelos Matsinos, Jeroen Richters, Heinrich Riem

Proceedings Volume 5368, (2004) https://doi.org/10.1117/12.535471

KEYWORDS: Imaging systems, Amplifiers, Capacitors, Calibration, Image processing, Signal processing, X-rays, Amorphous silicon, Gain switching, Image quality

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Proceedings Article | 28 June 2001 Paper

40 x 30 cm flat-panel imager for angiography, R&F, and cone-beam CT applications

Richard Colbeth, Sarah Boyce, Robert Fong, Keith Gray, Richard Harris, Isaias Job, Ivan Mollov, Boris Nepo, John Pavkovich, Nima Taie-Nobarie, Edward Seppi, Edward Shapiro, Michael Wright, Chris Webb, Jiann Yu

Proceedings Volume 4320, (2001) https://doi.org/10.1117/12.430917

KEYWORDS: Imaging systems, X-rays, Signal to noise ratio, Receptors, Calibration, Modulation transfer functions, Angiography, X-ray computed tomography, Radiography, Fluoroscopy

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Proceedings Article | 28 May 1999 Paper

Characterization of a third-generation multimode sensor panel

Richard Colbeth, Virgil Cooper, David Gilblom, Richard Harris, Isaias Job, Martin Klausmeier-Brown, Marcel Marc, John Pavkovich, Edward Seppi, Edward Shapiro, Michael Wright, Jiann Yu

Proceedings Volume 3659, (1999) https://doi.org/10.1117/12.349527

KEYWORDS: Imaging systems, X-rays, Sensors, Video, Signal to noise ratio, Receptors, Radiography, Control systems, Spatial frequencies, Fluoroscopy

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Proceedings Article | 24 July 1998 Paper

Amorphous silicon dual-mode medical imaging system

Michael Wright, Maxwell Allen, Richard Colbeth, Derek Day, David Gilblom, Richard Harris, Isaias Job, Martin Klausmeier-Brown, John Pavkovich, Edward Seppi, Edward Shapiro, Jiann Yu

Proceedings Volume 3336, (1998) https://doi.org/10.1117/12.317052

KEYWORDS: Amorphous silicon, Imaging systems, Sensors, Electronics, Digital filtering, Modulation transfer functions, Medical imaging, X-rays, Image intensifiers, X-ray imaging

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Proceedings Article | 24 July 1998 Paper

Flat-panel imaging system for fluoroscopy applications

Richard Colbeth, Maxwell Allen, Derek Day, David Gilblom, Richard Harris, Isaias Job, Martin Klausmeier-Brown, John Pavkovich, Edward Seppi, Edward Shapiro, Michael Wright, Jiann Yu

Proceedings Volume 3336, (1998) https://doi.org/10.1117/12.317037

KEYWORDS: Imaging systems, Sensors, Receptors, Interference (communication), Amorphous silicon, Fluoroscopy, X-rays, Resistance, Image resolution, Image processing

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Proceedings Article | 2 May 1997 Paper

Characterization of an amorphous-silicon fluoroscopic imager

Richard Colbeth, Maxwell Allen, Derek Day, David Gilblom, Martin Klausmeier-Brown, John Pavkovich, Edward Seppi, Edward Shapiro

Proceedings Volume 3032, (1997) https://doi.org/10.1117/12.274010

KEYWORDS: Signal to noise ratio, Imaging systems, X-rays, Electronics, Photons, Fluoroscopy, Radiography, Chlorine, Prototyping, Image processing

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Showing 5 of 10 publications

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