jigl.signal.ops
Class GaussianNoise

java.lang.Object
  |
  +--jigl.signal.SimpleOperator
        |
        +--jigl.signal.ops.GaussianNoise

All Implemented Interfaces:

Operator

public class GaussianNoise

extends SimpleOperator

Adds gaussian noise to a signal.

Field Summary

(package private) float

m_stdDev Standard deviation of the Gaussian noise.

Constructor Summary

GaussianNoise(float stdDev)
Constructs a GaussianNoise object from a value of standard deviation.

Method Summary

protected Signal	apply(DiscreteSignal signal) Adds gaussian noise to signal.
protected Signal	apply(DiscreteSignal signal, ROI roi) Adds gaussian noise to signal in a Region of Interest.
protected Signal	apply(RealSignal signal) Adds gaussian noise to signal.
protected Signal	apply(RealSignal signal, ROI roi) Adds gaussian noise to signal in a Region of Interest.

Methods inherited from class jigl.signal.SimpleOperator

apply, apply, apply, apply, apply, apply

Methods inherited from class java.lang.Object

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

Field Detail

m_stdDev

float m_stdDev

Standard deviation of the Gaussian noise.

Constructor Detail

GaussianNoise

public GaussianNoise(float stdDev)

Constructs a GaussianNoise object from a value of standard deviation.

Parameters:

stdDev - standard deviation for the noise

Method Detail

apply

protected Signal apply(DiscreteSignal signal)

Adds gaussian noise to signal.

Overrides:

apply in class SimpleOperator

Parameters:

signal - DiscreteSignal to add noise to.

Returns:

signal

apply

protected Signal apply(DiscreteSignal signal,
                       ROI roi)

Adds gaussian noise to signal in a Region of Interest.

Overrides:

apply in class SimpleOperator

Parameters:

signal - DiscreteSignal to add noise to.

roi - Region of Interest of signal.

Returns:

signal

apply

protected Signal apply(RealSignal signal)

Adds gaussian noise to signal.

Overrides:

apply in class SimpleOperator

Parameters:

signal - RealSignal to add noise to.

Returns:

signal

apply

protected Signal apply(RealSignal signal,
                       ROI roi)

Adds gaussian noise to signal in a Region of Interest.

Overrides:

apply in class SimpleOperator

Parameters:

signal - RealSignal to add noise to.

roi - Region of Interest of signal.

Returns:

signal