TABLE I.
SRTM | MRTM | MRTM2 | |
---|---|---|---|
Model name | Simplified reference tissue model | Mutilinear reference tissue model | Mutilinear reference tissue model 2 |
Reference | Lammertsma and Hume (1996) | Ichise et al. (2003) | Ichise et al. (2003) |
No. of parameters | 3 | 3 | 2 |
Fitting | Nonlinear | Multilinear | Multilinear |
Variable | Variable | Fixed |
is the rate of efflux from the reference region to plasma.