2006-02-20 Vesa Oikonen

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This page is obsolete: please read the new version.

Simulation of noise in PET data

• Noise model by Chen, Huang and Yu (see report TPCMOD0008)
  • Add Gaussian noise to simulated TACs
  • Add Gaussian noise to simulated PET images
  • Compute SD and CV predicted by noise model
• Gaussian noise without any specific noise model
  • Specified CV%
  • Specified CV% depending on radioactive decay
  • Specified CV% depending on weights
• Measured variation
  • Computes the SD or CV between regional TACs
  • Add Gaussian noise based on measured SD

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