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Correction for imperfect camera motion and resolution recovery in pinhole SPECT

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5 Author(s)
Beque, D. ; Dept. of Nucl. Med., Katholieke Univ., Leuven, Belgium ; Vanhove, C. ; Andreyev, A. ; Nuyts, J.
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Pinhole SPECT is typically applied in small animal imaging, where high spatial resolution is required for imaging small structures in a limited field of view. Care must then be taken not to lose this high resolution information in the subsequent image reconstruction process. The calibration of a pinhole camera with a slightly oscillating detector tilt and its importance for the quality of reconstructed images is investigated. Also, the potential for resolution recovery, by modeling the finite dimensions of the pinhole aperture in the reconstruction, is investigated.

Published in:

Nuclear Science Symposium Conference Record, 2004 IEEE  (Volume:4 )

Date of Conference:

16-22 Oct. 2004

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