Scintillation camera

A stationary radionuclide imaging system employs a planar scintillation crystal viewed by multiple photodetectors. A new positioning technique allows use of signal information that must be discarded by conventional cameras. A calibrator generates photodetector signal patterns characteristic of known radiation source locations. Unknown sources are positioned by matching signal patterns of their radiations with the stored calibration signal patterns. The integral of individual location is displayed as a corrected image.