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Effects of Quantization of Time-of-Flight (TOF) Measurements on Image Signal-to-Noise Ratio in TOF Emission Tomography

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3 Author(s)
Politte, D.G. ; Washington University St. Louis, Missouri 63110 ; Holmes, Timothy J. ; Snyder, Donald L.

An effort to predict the signal-to-noise ratio performance in positron-emission tomography as a function of the number of levels used in quantizing the time-of-flight measurement has been undertaken. Conditions are identified under which the time-of-flight measurement and the error due to quantization are virtually uncorrelated. A simulation of time-of-flight tomography is undertaken to check the mathematical approximations of the analytical approach.

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Nuclear Science, IEEE Transactions on  (Volume:30 ,  Issue: 1 )