Dr. Thor Vandehei Profile

Dr. Thor Vandehei

Research Scientist at Gamma Medica Inc

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Publications (4)

Proceedings Article | 28 September 2007 Paper

Advantages of semiconductor CZT for medical imaging

Douglas Wagenaar, Kevin Parnham, Bjorn Sundal, Gunnar Maehlum, Samir Chowdhury, Dirk Meier, Thor Vandehei, Marek Szawlowski, Bradley Patt

Proceedings Volume 6707, 67070I (2007) https://doi.org/10.1117/12.740329

KEYWORDS: Cameras, Medical imaging, Sensors, Single photon emission computed tomography, Spatial resolution, Imaging systems, Image resolution, Semiconductors, Positron emission tomography, Tomography

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Proceedings Article | 26 October 2004 Paper

Gated cardiac SPECT in rodents using a dedicated SPECT system: X-SPECT

Thor Vandehei, J. Li, Koji Iwata, Bradley Patt, G. Caravaglia, Neal Hartsough, Bruce Hasegawa, Benjamin Tsui

Proceedings Volume 5541, (2004) https://doi.org/10.1117/12.567145

KEYWORDS: Single photon emission computed tomography, Cameras, Data acquisition, Heart, Imaging systems, Collimators, Expectation maximization algorithms, Sensors, Motion measurement, Spatial resolution

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Proceedings Article | 13 February 2003 Paper

Preliminary abundance analysis of Galactic bulge main sequence, subgiant, and giant branch stars observed during microlensing with Keck/HIRES

Robert Cavallo, Kem Cook, D. Minniti, T. Vandehei

Proceedings Volume 4834, (2003) https://doi.org/10.1117/12.457702

KEYWORDS: Stars, Iron, Chemical analysis, Chemical elements, Lithium, Telescopes, Signal to noise ratio, Spectroscopy, Spectrometers, Manganese

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Proceedings Article | 3 July 1998 Paper

MACHO data pipeline

Timothy Axelrod, R. Allsman, Peter Quinn, Charles Alcock, D. Alves, A. Becker, D. Bennett, Kenneth Cook, A. Drake, K. Freeman, Kim Griest, M. Lehner, Stuart Marshall, D. Minniti, Bruce Peterson, Mark Pratt, Alex Rodgers, Christopher Stubbs, W. Sutherland, Austin Tomaney, T. Vandehei, D. Welch

Proceedings Volume 3349, (1998) https://doi.org/10.1117/12.316482

KEYWORDS: Databases, Photometry, Telescopes, Stars, Charge-coupled devices, Computing systems, Cameras, Telecommunications, C++, Data processing

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