Count uniformity correction in flux space for pixilated...

Radiant energy – Invisible radiant energy responsive electric signalling – Semiconductor system

Reexamination Certificate

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Reexamination Certificate

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07633068

ABSTRACT:
In operation of a photon counting detecting system (10), a number of pulse counts output by least one pixel (20) of a photon counting detector in response to experiencing a photon flux density during a sample interval is acquired and a photon flux density (46) or value related thereto corresponding to the pulse counts output by the pixel (20) is determined. A correction (48) for the thus determined photon flux density (46) or value related thereto is determined. A corrected number of pulse counts (52) is determined for the pixel (20) as a function of the thus determined corrected photon flux density value or value related thereto. An image can be displayed that is a function of the corrected number of pulse counts for pixels of the system.

REFERENCES:
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patent: 6895071 (2005-05-01), Yokhin et al.
patent: 2003/0072409 (2003-04-01), Kaufhold et al.
patent: 2003/0173522 (2003-09-01), Spartiotis
patent: 2006/0019236 (2006-01-01), Duncan et al.
Manolis I.A. Lourakis, “A Brief Description of the Levenberg-Marquardt Algorithm Implemened by levmar,” Feb. 11, 2005, Institute of Computer Science Foundation for Research and Technology-Hellas (FORTH), Crete, Greece.

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