SingleSeedModel Class Reference

Inherits ml::filter::UnscentedKalmanFilterModel.

Inheritance diagram for SingleSeedModel:

[legend]List of all members.

---

Detailed Description

Single seed time-series model.

May be used to filter a BOLD signal to obtain an estimate of the underlying neural activity.

Author:

Lawrence Murray <lawrence@indii.org>

Version:

Rev

309

Date:

Date

2007-10-03 14:16:40 +0100 (Wed, 03 Oct 2007)

Uses indii::fmri::hemodynamic::LogNeuralBalloonModel for state transitions and indii::fmri::hemodynamic::LogBOLDCalculator for predicted measurements. Works in log space to ensure that sigma points sampled by the unscented Kalman filter are always positive for , and .

Definition at line 31 of file SingleSeedModel.hpp.

Public Types
enum	SeedVariables {   LN_Q, LN_V, LN_F, S,   U, B, SEED_SIZE }
	Indices for state variables in vectors. More...
Public Member Functions
	SingleSeedModel (unsigned int M)
	Constructor.
virtual	~SingleSeedModel ()
	Destructor.
virtual indii::ml::aux::vector	transition (const indii::ml::aux::vector &x, const indii::ml::aux::vector &w, double delta)
	See also: indii::ml::model::UnscentedKalmanFilterModel
virtual indii::ml::aux::vector	measure (const indii::ml::aux::vector &x, const indii::ml::aux::vector &v)
	See also: indii::ml::model::UnscentedKalmanFilterModel
indii::ml::aux::GaussianPdf	suggestPrior ()
	Calculate a suggested prior over the initial state of the system.
indii::ml::aux::GaussianPdf	suggestSystemNoise ()
	Calculate a suggested system noise structure.
indii::ml::aux::GaussianPdf	suggestMeasurementNoise ()
	Calculate a suggested measurement noise structure.

---

Member Enumeration Documentation

enum SeedVariables

Indices for state variables in vectors.

Enumerator:

LN_Q
LN_V
LN_F
S
U
B
SEED_SIZE

Definition at line 37 of file SingleSeedModel.hpp.

---

Constructor & Destructor Documentation

SingleSeedModel

(

unsigned int

M

)

Constructor.

Parameters:

M

Number of sessions used for measurement.

Definition at line 17 of file SingleSeedModel.cpp.

~SingleSeedModel

(

)

[virtual]

Destructor.

Definition at line 24 of file SingleSeedModel.cpp.

---

Member Function Documentation

virtual indii::ml::aux::vector transition	(	const indii::ml::aux::vector &	x,
		const indii::ml::aux::vector &	w,
		double	delta
	)			[virtual]

See also:

indii::ml::model::UnscentedKalmanFilterModel

virtual indii::ml::aux::vector measure	(	const indii::ml::aux::vector &	x,
		const indii::ml::aux::vector &	v
	)			[virtual]

See also:

indii::ml::model::UnscentedKalmanFilterModel

aux::GaussianPdf suggestPrior

(

)

Calculate a suggested prior over the initial state of the system.

Returns:

Suggested prior over the initial state of the system.

Definition at line 76 of file SingleSeedModel.cpp.

aux::GaussianPdf suggestSystemNoise

(

)

Calculate a suggested system noise structure.

Returns:

Suggested system noise.

Definition at line 94 of file SingleSeedModel.cpp.

aux::GaussianPdf suggestMeasurementNoise

(

)

Calculate a suggested measurement noise structure.

Returns:

Suggested measurement noise.

Definition at line 111 of file SingleSeedModel.cpp.

---

The documentation for this class was generated from the following files:

• indii/fmri/model/SingleSeedModel.hpp
• indii/fmri/model/SingleSeedModel.cpp

---