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Assessing the Performance of Radioisotope Scanners: Data Acquisition

Manitoba Cancer Treatment and Research Foundation, Winnipeg, Manitoba, Canada

ABSTRACT

A method of assessing the performance of both moving and stationary-detector scanners is described. This method uses the line-source response function to calculate the modulation transfer function of the system. The modulation transfer function is the method which is being used increasingly to describe the performance of optical and radiographic systems.

In addition to the modulation transfer function, a method of defining the sensitivity to a sheet source of activity is described. This sensitivity is then combined with the modulation transfer function to give a "figure of comparison."

FOOTNOTES

^* Present address: Dept. of Radiology, Foothills Hospital, Calgary, Alberta, Canada.