Reliable and Efficient Approach of BOLD Signal with Dual Kalman Filtering

Table 1

Hemodynamic model parameters and their probability distribution.

Notation	Definition	Distribution
𝜖	Neuronal efficacy	𝜖∼𝑁(0.54,0.1^2)
𝜏𝑠	Signal decay	𝜏𝑠∼𝑁(1.54,0.25^2)
𝜏𝑓	Autoregulation	𝜏𝑓∼𝑁(2.46,0.25^2)
𝜏0	Transit time	𝜏0∼𝑁(0.98,0.25^2)
𝛼	Stiffness parameter	𝛼∼𝑁(0.33,0.045^2)
𝐸0	Resting oxygen extraction	𝐸0∼𝑁(0.34,0.1^2)
𝑉0	Resting blood volume fraction	𝑉0∼𝑁(0.02,0.005^2)