cnslab.cnsnetwork

Class Stimulus

java.lang.Object

cnslab.cnsnetwork.Stimulus

All Implemented Interfaces:

Transmissible, Serializable

public final class Stimulus
extends Object
implements Serializable, Transmissible

Stimulus class contains all types of stimulus. The injected spikes are assumed to be inhomogeneous Poisson spikes, similar to BKPoissonNeuron.

Version:

$Date: 2012-08-04 13:43:22 -0500 (Sat, 04 Aug 2012) $ $Rev: 104 $ $Author: croft $

Author:

Yi Dong, David Wallace Croft, M.Sc., Jeremy Cohen

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
Seed	seed
SimulatorParser	simulatorParser

Constructor Summary

Constructors

Constructor and Description
Stimulus(ModelFactory modelFactory, SimulatorParser simulatorParser, double strength, int type, double onTime, double offTime, double freq, double decay, Seed seed, int channel)

Method Summary

Methods

Modifier and Type	Method and Description
void	background(String pre, String suf) Stimulate the whole layer of neurons.
void	background(String pre, String suf, int hostId) Injecting noise to the whole layer.
int	getChannel()
double	getDecay()
double	getFreq()
double	getNextTime(double currTime) Get the next time given current time.
double	getOffTime()
double	getOnTime()
double	getStrength()
int	getType()
ArrayList<PInputEvent>	init(int sourceID)
double	nonlinearFilter(double x, double gamma, double k) Non linear filter to simualte Retina
void	plotFilledSquare(int x1, int y1, int x2, int y2, String pre, String suf)
void	plotFilledSquare(int x1, int y1, int x2, int y2, String pre, String suf, int hostId) Stimulate a filled square of neurons
void	plotImg(String pre, String suf, String filename, double[][] filter) Given image file, stimulate the layer of neurons accourding to image intensity
void	plotImg(String pre, String suf, String filename, double[][] filter, double gamma, double k, int hostId)
void	plotLine(int x1, int y1, int x2, int y2, String pre, String suf)
void	plotLine(int x1, int y1, int x2, int y2, String pre, String suf, int hostId) Stimulate a line of neurons
void	plotMatrix(String pre, String suf, int cenX, int cenY, double[][] matrix)
void	plotMatrix(String pre, String suf, int cenX, int cenY, double[][] matrix, int hostId) Stimulate the layer of neurons with a given matrix.
void	plotRImg(String pre, String suf, String filename, double[][] filter) Given image file, stimulate the layer of neurons accourding to reverse of image intensity.
void	plotRImg(String pre, String suf, String filename, double[][] filter, double gamma, double k, int hostId) Plot reverse image.
void	plotSquare(int x1, int y1, int x2, int y2, String pre, String suf)
void	plotSquare(int x1, int y1, int x2, int y2, String pre, String suf, int hostId) Stimulate a square of neurons.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

seed

public Seed seed

simulatorParser

public SimulatorParser simulatorParser

Constructor Detail

Stimulus

public Stimulus(ModelFactory modelFactory,
        SimulatorParser simulatorParser,
        double strength,
        int type,
        double onTime,
        double offTime,
        double freq,
        double decay,
        Seed seed,
        int channel)

Method Detail

getChannel

public int getChannel()

getDecay

public double getDecay()

getFreq

public double getFreq()

getOffTime

public double getOffTime()

getOnTime

public double getOnTime()

getStrength

public double getStrength()

getType

public int getType()

init

public ArrayList<PInputEvent> init(int sourceID)

getNextTime

public double getNextTime(double currTime)

Get the next time given current time. Inhomogeneous Poisson process.

plotSquare

public void plotSquare(int x1,
              int y1,
              int x2,
              int y2,
              String pre,
              String suf,
              int hostId)

Stimulate a square of neurons.

Parameters:

x1 -

y1 -

x2 -

y2 -

pre -

suf -

hostId -

plotFilledSquare

public void plotFilledSquare(int x1,
                    int y1,
                    int x2,
                    int y2,
                    String pre,
                    String suf,
                    int hostId)

Stimulate a filled square of neurons

plotLine

public void plotLine(int x1,
            int y1,
            int x2,
            int y2,
            String pre,
            String suf,
            int hostId)

Stimulate a line of neurons

plotImg

public void plotImg(String pre,
           String suf,
           String filename,
           double[][] filter)

Given image file, stimulate the layer of neurons accourding to image intensity

plotRImg

public void plotRImg(String pre,
            String suf,
            String filename,
            double[][] filter)

Given image file, stimulate the layer of neurons accourding to reverse of image intensity.

plotMatrix

public void plotMatrix(String pre,
              String suf,
              int cenX,
              int cenY,
              double[][] matrix,
              int hostId)

Stimulate the layer of neurons with a given matrix. cenX, cenY defines the center position of the matrix in the layer

plotMatrix

public void plotMatrix(String pre,
              String suf,
              int cenX,
              int cenY,
              double[][] matrix)

background

public void background(String pre,
              String suf)

Stimulate the whole layer of neurons. Injecting noise to the whole layer.

background

public void background(String pre,
              String suf,
              int hostId)

Injecting noise to the whole layer.

plotRImg

public void plotRImg(String pre,
            String suf,
            String filename,
            double[][] filter,
            double gamma,
            double k,
            int hostId)

Plot reverse image.

nonlinearFilter

public double nonlinearFilter(double x,
                     double gamma,
                     double k)

Non linear filter to simualte Retina

Parameters:

x -

gamma -

k -

Returns:

plotImg

public void plotImg(String pre,
           String suf,
           String filename,
           double[][] filter,
           double gamma,
           double k,
           int hostId)

plotSquare

public void plotSquare(int x1,
              int y1,
              int x2,
              int y2,
              String pre,
              String suf)

plotFilledSquare

public void plotFilledSquare(int x1,
                    int y1,
                    int x2,
                    int y2,
                    String pre,
                    String suf)

plotLine

public void plotLine(int x1,
            int y1,
            int x2,
            int y2,
            String pre,
            String suf)