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Med Phys. 1978 Nov-Dec;5(6):480-4.

Practical considerations in gamma camera line spread function measurement.


In recent years the modulation transfer function (MTF) has played an important role in the quantitation of imaging performance of gamma cameras. The most common method of MTF determination requires line spread function (LSF) measurement. This paper reviews methods used for LSF measurements with special consideration given to the practical aspects of LSF measurement and MTF calculation. An analysis of errors in LSF measurements is made and means to reduce or to avoid these errors are discussed. Recommendations regarding practical considerations for LSF measurement and MTF calculation are presented in tabular form for convenience.

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