Unified snr analysis of medical imaging systems.

  title={Unified snr analysis of medical imaging systems.},
  author={Robert F. Wagner and David W. Brown},
  journal={Physics in medicine and biology},
  volume={30 6},
The ideal observer signal to noise ratio (snr) has been derived from statistical decision theory for all of the major medical imaging modalities. This snr provides an absolute scale for image system performance assessment and leads to instrumentation design goals and constraints for imaging system optimisation since no observer can surpass the performance of the ideal observer. The dependence of detectable detail size on exposure or imaging time follows immediately from the analysis. A… CONTINUE READING
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