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Image reconstruction algorithm for a SPECT system with a convergent rotating slat collimator

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2 Author(s)
Zeng, G.L. ; Med. Imaging Res. Lab., Univ. of Utah, Salt Lake City, UT, USA ; Gagnon, D.

In this paper, we suggest the use of a convergent rotating slat collimator in a SPECT system that contains strip-shaped CdZnTe detectors. This CdZnTe imaging device is able to provide better energy resolution than a conventional NaI(Tl) detector. A convergent imaging geometry has a higher detection sensitivity than a parallel imaging geometry when imaging a small object. A novel design method and reconstruction technique are proposed for use in this system.

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Nuclear Science, IEEE Transactions on  (Volume:51 ,  Issue: 1 )