aima.probability.reasoning
Class HiddenMarkovModel

java.lang.Object
  aima.probability.reasoning.HiddenMarkovModel

public class HiddenMarkovModel
extends java.lang.Object

Constructor Summary

HiddenMarkovModel(RandomVariable priorDistribution, TransitionModel tm, SensorModel sm)

Method Summary

RandomVariable	calculate_next_backward_message(RandomVariable forwardBelief, RandomVariable present_backward_message, java.lang.String perception)
java.util.List<RandomVariable>	forward_backward(java.util.List<java.lang.String> perceptions)
RandomVariable	forward(RandomVariable aBelief, java.lang.String perception)
RandomVariable	forward(RandomVariable aBelief, java.lang.String action, java.lang.String perception)
RandomVariable	perceptionUpdate(RandomVariable aBelief, java.lang.String perception)
RandomVariable	predict(RandomVariable aBelief, java.lang.String action)
RandomVariable	prior()
SensorModel	sensorModel()
TransitionModel	transitionModel()

Methods inherited from class java.lang.Object

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

Constructor Detail

HiddenMarkovModel

public HiddenMarkovModel(RandomVariable priorDistribution,
                         TransitionModel tm,
                         SensorModel sm)

Method Detail

prior

public RandomVariable prior()

predict

public RandomVariable predict(RandomVariable aBelief,
                              java.lang.String action)

perceptionUpdate

public RandomVariable perceptionUpdate(RandomVariable aBelief,
                                       java.lang.String perception)

forward

public RandomVariable forward(RandomVariable aBelief,
                              java.lang.String action,
                              java.lang.String perception)

forward

public RandomVariable forward(RandomVariable aBelief,
                              java.lang.String perception)

calculate_next_backward_message

public RandomVariable calculate_next_backward_message(RandomVariable forwardBelief,
                                                      RandomVariable present_backward_message,
                                                      java.lang.String perception)

forward_backward

public java.util.List<RandomVariable> forward_backward(java.util.List<java.lang.String> perceptions)

sensorModel

public SensorModel sensorModel()

transitionModel

public TransitionModel transitionModel()