Dr. Axel Thran Profile

Dr. Axel Thran

Senior Scientist at Philips Research

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Author

Publications (16)

Proceedings Article | 16 March 2020 Paper

Physical image simulation of human brain in case of acute stroke

Matthias Simon, Klaus Juergen Engel, Bernd Menser, Walter Ruetten, Axel Thran, Dirk Schaefer

Proceedings Volume 11312, 1131234 (2020) https://doi.org/10.1117/12.2549551

KEYWORDS: Brain, Tissues, Neuroimaging, X-rays, Monte Carlo methods, Dual energy imaging, X-ray computed tomography, Ischemic stroke

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Proceedings Article | 16 March 2020 Paper

Dual layer x-ray detector simulation

Klaus Juergen Engel, Bernd Menser, Pierre Rohr, Walter Ruetten, Matthias Simon, Axel Thran

Proceedings Volume 11312, 113121O (2020) https://doi.org/10.1117/12.2549633

KEYWORDS: Photons, Sensors, X-rays, X-ray detectors, Monte Carlo methods, Iodine, Scattering, Absorption, Mass attenuation coefficient, Signal detection

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Proceedings Article | 9 March 2018 Paper

Experimental evaluation of the influence of scattered radiation on quantitative spectral CT imaging

Artur Sossin, Michal Rokni, Bernhard Brendel, Heiner Daerr, Axel Thran, Klaus Erhard

Proceedings Volume 10573, 105731B (2018) https://doi.org/10.1117/12.2293476

KEYWORDS: Iodine, Gadolinium, X-rays, Sensors, Photon counting, X-ray computed tomography, X-ray imaging, Scanners, Prototyping, Computed tomography, Scatter measurement

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Proceedings Article | 9 March 2018 Paper

Motion compensation for non-gated helical CT: application to lung imaging

M. Grass, R. Bippus, A. Thran, D. Schäfer, S. Kabus, K. Brown

Proceedings Volume 10573, 105733H (2018) https://doi.org/10.1117/12.2292879

KEYWORDS: Computed tomography, Lung imaging, Lung, Image registration, Motion estimation, Scanners, Data acquisition, 3D image reconstruction, CT reconstruction, Reconstruction algorithms

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Proceedings Article | 19 March 2014 Paper

Towards in-vivo K-edge imaging using a new semi-analytical calibration method

Carsten Schirra, Axel Thran, Heiner Daerr, Ewald Roessl, Roland Proksa

Proceedings Volume 9033, 90330N (2014) https://doi.org/10.1117/12.2043539

KEYWORDS: Calibration, Sensors, Data modeling, In vivo imaging, X-rays, Data acquisition, Optical filters, X-ray detectors, Signal attenuation, X-ray computed tomography

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Proceedings Article | 3 March 2012 Paper

Accurate material quantification in dual energy CT

Gilad Shechter, Axel Thran, Tsvi Katchalski

Proceedings Volume 8313, 83132Z (2012) https://doi.org/10.1117/12.911291

KEYWORDS: Iodine, Signal attenuation, Dual energy imaging, Calibration, Sensors, Quantum wells, Error analysis, Tissues, Head, Stereolithography

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Proceedings Article | 3 March 2012 Paper

An efficient method to estimate noise in computed tomography images

Axel Thran, Ewald Roessl, Roland Proksa

Proceedings Volume 8313, 83132A (2012) https://doi.org/10.1117/12.911278

KEYWORDS: Monte Carlo methods, Error analysis, Sensors, Image filtering, Computed tomography, Dual energy imaging, Chromium, X-ray computed tomography, Reconstruction algorithms, X-rays

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Proceedings Article | 13 March 2009 Paper

Effect of detector time delay and its correction in multiple source computed tomography

A. Thran, P. Forthmann, R. Proksa

Proceedings Volume 7258, 72582C (2009) https://doi.org/10.1117/12.811869

KEYWORDS: Sensors, X-rays, Photons, X-ray detectors, X-ray computed tomography, Signal detection, Medical imaging, Image resolution, Computed tomography, Solids

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Proceedings Article | 7 September 2006 Paper

Performance improvements of energy-resolved fan-beam coherent scatter computed tomography

Axel Thran, Hans Barschdorf, Gerhard Martens, Udo van Stevendaal, Jens-Peter Schlomka

Proceedings Volume 6318, 63181C (2006) https://doi.org/10.1117/12.682640

KEYWORDS: Sensors, Collimators, Fluctuations and noise, Spatial resolution, Image segmentation, X-rays, X-ray computed tomography, Signal attenuation, Time metrology, Inspection

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Proceedings Article | 17 September 2005 Paper

Multiple scatter correction in coherent scatter computed tomography

Axel Thran, Udo van Stevendaal, Jens-Peter Schlomka

Proceedings Volume 5923, 59230P (2005) https://doi.org/10.1117/12.621085

KEYWORDS: Sensors, Polymethylmethacrylate, Photons, Monte Carlo methods, Fluctuations and noise, X-rays, Computed tomography, Scattering, Signal attenuation, Aluminum

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Proceedings Article | 10 September 2005 Paper

Monte Carlo simulation and experimental investigation of x-ray spectra from very thin metal layers on diamond substrates

Bernd David, Rainer Eckart, Gerhard Martens, Rainer Pietig, Axel Thran

Proceedings Volume 5918, 59180T (2005) https://doi.org/10.1117/12.616313

KEYWORDS: Tungsten, Diamond, X-rays, Monte Carlo methods, Electron beams, Sensors, Metals, X-ray sources, Thin films, Optical filters

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Proceedings Article | 29 April 2005 Paper

A new reconstruction algorithm for energy-resolved coherent scatter computed tomography

Udo van Stevendaal, Jens-Peter Schlomka, Axel Thran, Johannes Delfs, Hans Barschdorf

Proceedings Volume 5747, (2005) https://doi.org/10.1117/12.593614

KEYWORDS: Reconstruction algorithms, Sensors, Signal attenuation, Computed tomography, Scattering, Aluminum, Scanners, CT reconstruction, X-ray computed tomography, Data acquisition

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Proceedings Article | 3 November 2004 Paper

Modeling and experimental investigation of x-ray spectra from a liquid metal anode x-ray tube

Bernd David, Axel Thran, Rainer Eckart

Proceedings Volume 5537, (2004) https://doi.org/10.1117/12.560560

KEYWORDS: Liquids, Metals, Electrons, X-rays, Tin, Diamond, Tungsten, Monte Carlo methods, Rhenium, Electron beams

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Proceedings Article | 26 October 2004 Paper

Experimental feasibility study of energy-resolved fan-beam coherent scatter computed tomography

Jens-Peter Schlomka, Johannes Delfs, Hans Barschdorf, Axel Thran, Udo van Stevendaal

Proceedings Volume 5535, (2004) https://doi.org/10.1117/12.556313

KEYWORDS: Sensors, Tissues, X-ray computed tomography, X-rays, Scattering, Spatial resolution, Signal attenuation, Photons, Aluminum, Computed tomography

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Proceedings Article | 7 January 2004 Paper

Liquid-metal anode x-ray tube

Bernd David, Hans Barschdorf, Volker Doormann, Rainer Eckart, Geoffrey Harding, Jens-Peter Schlomka, Axel Thran, Peter Bachmann, Peter Flisikowski

Proceedings Volume 5196, (2004) https://doi.org/10.1117/12.504503

KEYWORDS: Liquids, Metals, Electrons, X-rays, Tungsten, Temperature metrology, Diamond, Molybdenum, Tin, Photons

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Proceedings Article | 30 December 2003 Paper

Electron-impact-based generation and applications of monochromatic x-rays

Geoffrey Harding, Bernd Schweizer, Gerhard Martens, Jens-Peter Schlomka, Axel Thran

Proceedings Volume 5199, (2003) https://doi.org/10.1117/12.512440

KEYWORDS: X-rays, Optical filters, X-ray sources, X-ray fluorescence spectroscopy, Crystals, Electron beams, Signal attenuation, Copper, Luminescence, Diffraction

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Showing 5 of 16 publications

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