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Proceedings Paper

Dose reduction using photon-counting x-ray imaging
Author(s): Tom Francke; Mathias Eklund; Leif Ericsson; Thomas Kristoffersson; Vladimir N. Peskov; Juha Rantanen; Skiff Sokolov; Jan E. Soderman; Christer K. Ullberg; Niclas Weber
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Paper Abstract

Radiation dose to the patient, contrast and position resolution are important quality factors in medical X-ray imaging. A novel technique for digital X-ray imaging has been developed, using photon counting with high signal-to-noise ratios for single X-ray photons. The novel technique allows a significant dose reduction over screen-film systems, as well as a high contrast and good position resolution. The novel technique is based on photon counting gaseous detectors. A high signal-to-noise ratio for single X-ray photons allows virtually noise-free counting of photons. Low noise together with a high contrast in the image allows a significant dose reduction compared to film-based systems. The new technique makes photon counting X-ray imaging possible, only limited by quantum fluctuations.

Paper Details

Date Published: 28 June 2001
PDF: 6 pages
Proc. SPIE 4320, Medical Imaging 2001: Physics of Medical Imaging, (28 June 2001); doi: 10.1117/12.430920
Show Author Affiliations
Tom Francke, Royal Institute of Technology (Sweden)
Mathias Eklund, XCounter AB (Sweden)
Leif Ericsson, Royal Institute of Technology (Sweden)
Thomas Kristoffersson, XCounter AB (Sweden)
Vladimir N. Peskov, Royal Institute of Technology (Sweden)
Juha Rantanen, XCounter AB (Sweden)
Skiff Sokolov, Royal Institute of Technology (Sweden)
Jan E. Soderman, XCounter AB (Sweden)
Christer K. Ullberg, XCounter AB (Sweden)
Niclas Weber, XCounter AB (Sweden)


Published in SPIE Proceedings Vol. 4320:
Medical Imaging 2001: Physics of Medical Imaging
Larry E. Antonuk; Martin Joel Yaffe, Editor(s)

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