Dr. Thor Vandehei Profile

Dr. Thor Vandehei

Research Scientist at Gamma Medica Inc

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Author

Publications (4)

Proceedings Article | 28 September 2007 Paper

Advantages of semiconductor CZT for medical imaging

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

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

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

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

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

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

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

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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