Effects of cold sphere walls in PET phantom measurements on the volume reproducing threshold.

@article{Hofheinz2010EffectsOC,
  title={Effects of cold sphere walls in PET phantom measurements on the volume reproducing threshold.},
  author={Frank Hofheinz and S. Dittrich and C. P{\"o}tzsch and J{\"o}rg van den Hoff},
  journal={Physics in medicine and biology},
  year={2010},
  volume={55 4},
  pages={
          1099-113
        }
}
We studied quantitatively the effects of the discontinuity introduced in an otherwise homogeneous background by the cold walls of the standard spherical glass inserts commonly used in phantom measurements for calibration of threshold-based approaches to volumetric evaluation of PET investigations. We concentrated especially on the question of threshold-based volume determination. We computed analytically the convolution of an isotropic Gaussian point-spread function with the insert geometry… CONTINUE READING

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