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An electronically collimated gamma camera with a parallel plate collimator for Tc-99m imaging

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7 Author(s)
Uritani, A. ; Dept. of Nucl. Eng. & Radiol. Sci., Michigan Univ., Ann Arbor, MI, USA ; Clinthorne, N.H. ; Gormley, J.E. ; LeBlanc, J.W.
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We present a new idea to apply a parallel plate collimator to an electronically collimated gamma camera, to reduce the complexity of image reconstruction. Back projected images obtained experimentally and using Monte Carlo simulations are shown. Using the collimator, backprojected images of single low-energy gamma-ray emitters can be obtained with larger signal-to-noise ratio than those obtained without the collimator. The results show that this method is useful in obtaining Tc-99m images

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Nuclear Science, IEEE Transactions on  (Volume:44 ,  Issue: 3 )