Mohammed Boureghda

6 Questions 1 Answers 0 Followers

Questions related from Mohammed Boureghda

Stability of the square root cubature Kalman filter?

Square root cubature Kalman filter gain K_k directly without the need for a matrix inversion: Efficient least-squares: The least-squares method is used to compute the Kalman filter gain. If we...

18 November 2019 9,262 3 View

Hemodynamic modeling: Relation between cerebral blood flow and blood volume?

Subject related to brain activity (hemodynamic modeling): At steady-state, numerous studies were in agreement with an early the power-law relation between flow and volume: V = F^{alpha} I read...

23 August 2019 8,708 0 View

What is the measurement equation of the Three-Step pathway model?

I am not specialist in biology but I want to test a parameters estimation method on the Tree-Step pathway model, but I cannot find a document that gives the measurement equation of the Three-Step...

28 March 2018 1,160 0 View

BOLD percent signal change % and model identification?

I am confusing about something related to the inversion and identification of the models that describe the changes in blood flow and blood oxygenation during brain activation (e.g: Balloon...

14 March 2018 3,510 0 View

Number of the samples for an Ensemble Kalman Filter EnKF?

Can someone lead me to some references related to how to choose the samples number for the ensemble Kalman filter EnKF.

04 February 2018 6,293 2 View

What is the mathematical relation to calculate the BOLD percent change?

The measurement equation of the Balloon hemodynamic model (Friston 2002) which represent the BOLD signal is V0[ k1(1 - q) + k2(1-q/v) + k3(1-v)], I saw from different papers that the authors used...

01 October 2017 184 1 View