当前位置: 首页>>代码示例>>Java>>正文

Java Hmm类代码示例

本文整理汇总了Java中be.ac.ulg.montefiore.run.jahmm.Hmm类的典型用法代码示例。如果您正苦于以下问题：Java Hmm类的具体用法？Java Hmm怎么用？Java Hmm使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。


Hmm类属于be.ac.ulg.montefiore.run.jahmm包，在下文中一共展示了Hmm类的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: getFeatureVector

import be.ac.ulg.montefiore.run.jahmm.Hmm; //导入依赖的package包/类
@Override
public HMMFeatureVector getFeatureVector(List<ObservationDiscrete<Packet>> representation, String label) {
    HMMFeatureVector v = new HMMFeatureVector();
    double dMaxProb = -1.0;
    //String label = null;
    int count = 0;

    for(String className : classModel.keySet()) {
        Hmm tempModel = classModel.get(className);

        double dProb = tempModel.probability(representation);

        if(dProb > dMaxProb) {
            dMaxProb = dProb;
            //label = className;
            //v.setLabel(label);
        }
        v.setProbArrayAtIndex(dProb, count);
        count++;
    }
    v.setLabel(label);

    return v;    
}
开发者ID:kostagiolasn，项目名称:NucleosomePatternClassifier，代码行数:25，代码来源:HmmHandler.java

示例2: getFeatureVector

import be.ac.ulg.montefiore.run.jahmm.Hmm; //导入依赖的package包/类
@Override
public HMMFeatureVector getFeatureVector(List<ObservationDiscrete<Packet>> representation, String label) {
    HMMFeatureVector v = new HMMFeatureVector();
    double dMaxProb = -1.0;
    //String label = null;
    int count = 0;

    for(String className : classModel.keySet()) {
        Hmm tempModel = classModel.get(className);

        double dProb = tempModel.lnProbability(representation);

        if(dProb > dMaxProb) {
            dMaxProb = dProb;
        }
        // Here we normalize the probability by dividing it by the respective
        // string size. This is due to the fact that the probability decreases
        // as the string gets longer and longer.
        v.setProbArrayAtIndex(dProb/representation.size(), count);
        count++;
    }
    v.setLabel(label);

    return v;    
}
开发者ID:kostagiolasn，项目名称:NucleosomePatternClassifier，代码行数:26，代码来源:NormalizedHmmHandler.java

示例3: learn

import be.ac.ulg.montefiore.run.jahmm.Hmm; //导入依赖的package包/类
private <O extends Observation & CentroidFactory<O>> void
learn(RelatedObjs<O> relatedObjs, Reader hmmFileReader,
		Reader seqFileReader, Writer hmmFileWriter,
		int nbIterations)
throws IOException, FileFormatException
{
	List<List<O>> seqs = relatedObjs.readSequences(seqFileReader);
	OpdfReader<? extends Opdf<O>> opdfReader = relatedObjs.opdfReader();
	OpdfWriter<? extends Opdf<O>> opdfWriter = relatedObjs.opdfWriter();
	
	Hmm<O> initHmm = HmmReader.read(hmmFileReader, opdfReader);
	BaumWelchLearner bw = new BaumWelchScaledLearner();
	bw.setNbIterations(nbIterations);
	Hmm<O> hmm = bw.learn(initHmm, seqs);
	HmmWriter.write(hmmFileWriter, opdfWriter, hmm);
}
开发者ID:tanjiti，项目名称:jahmm，代码行数:17，代码来源:BWActionHandler.java

示例4: initializeHMM

import be.ac.ulg.montefiore.run.jahmm.Hmm; //导入依赖的package包/类
protected Hmm initializeHMM() {
        
        Hmm<ObservationDiscrete<HMMSequence.Packet>> hmm =
                new Hmm<>(2, 
                new OpdfDiscreteFactory<>(HMMSequence.Packet.class));
        
        // Random initialization (with fixed seed to allow for reproducibility)
        Random r = new Random(1L);
        double dRnd = r.nextDouble(); 
        hmm.setPi(0, dRnd);
        hmm.setPi(1, 1.0 - dRnd);
//        hmm.setPi(0, 0.5);
//        hmm.setPi(1, 0.5);
        
        // Non-equal probs
        hmm.setOpdf(0, new OpdfDiscrete<>(HMMSequence.Packet.class,
                    new double[]{0.1,0.2,0.3,0.4}));
        hmm.setOpdf(1, new OpdfDiscrete<>(HMMSequence.Packet.class,
                    new double[]{0.4,0.3,0.2,0.1}));
        
        dRnd = r.nextDouble();
        hmm.setAij(0, 0, dRnd);
        hmm.setAij(0, 1, 1.0 - dRnd);
        dRnd = r.nextDouble();
        hmm.setAij(1, 0, dRnd);
        hmm.setAij(1, 1, 1.0 - dRnd);
        
        return hmm;
    }
开发者ID:kostagiolasn，项目名称:NucleosomePatternClassifier，代码行数:30，代码来源:HmmHandler.java

示例5: read

import be.ac.ulg.montefiore.run.jahmm.Hmm; //导入依赖的package包/类
/**
 * Reads a HMM from a byte stream.
 *
 * @param stream Holds the byte stream the HMM is read from.
 * @return The {@link be.ac.ulg.montefiore.run.jahmm.Hmm HMM} read.
 */
static public Hmm<?> read(InputStream stream)
throws IOException
{		
	ObjectInputStream ois = new ObjectInputStream(stream);
	
	try {
		return (Hmm) ois.readObject();
	}
	catch(ClassNotFoundException e) {
		throw new RuntimeException(e);
	}
}
开发者ID:tanjiti，项目名称:jahmm，代码行数:19，代码来源:HmmBinaryReader.java

示例6: write

import be.ac.ulg.montefiore.run.jahmm.Hmm; //导入依赖的package包/类
/**
 * Writes a HMM to byte stream.
 *
 * @param stream Holds the byte stream the HMM is written to.
 */
static public void write(OutputStream stream, Hmm<?> hmm)
throws IOException
{		
	ObjectOutputStream oos = new ObjectOutputStream(stream);	
	oos.writeObject(hmm);
}
开发者ID:tanjiti，项目名称:jahmm，代码行数:12，代码来源:HmmBinaryWriter.java

示例7: learn

import be.ac.ulg.montefiore.run.jahmm.Hmm; //导入依赖的package包/类
public Hmm<ObservationVector> learn(List<ObservationVector> trainingObservations, List<ObservationInteger> trainingStates) {
	this.trainingObservations = trainingObservations;
	this.trainingStates = trainingStates;

	initCounters();
	generateCountsFromTraining();
	calculateHmmParams();

	Hmm<ObservationVector> hmm = new Hmm<ObservationVector>(pi, a, 
			generateOpdfVectors());
	return hmm;
}
开发者ID:claudiotrindade，项目名称:contexttoolkit，代码行数:13，代码来源:HmmSupervisedLearner.java

示例8: main

import be.ac.ulg.montefiore.run.jahmm.Hmm; //导入依赖的package包/类
public static void main(String[] args) {
		// learning HMM
		HmmSupervisedLearner learner = new HmmSupervisedLearner(8, 14, 2);		
		Hmm<ObservationVector> hmm = learner.learn(
				new File("demos/home-hmm/kasteren-jahmm-observations.seq"), 
				new File("demos/home-hmm/kasteren-jahmm-states.seq"));

		try {
			/*
			 * Save HMM to file
			 * Quite slow!
			 */
			HmmWriter.write(
					new FileWriter("demos/home-hmm/kasteren-jahmm.model"), 
					new OpdfVectorWriter(), 
					hmm);

			/*
			 * Load HMM from file
			 * Also slow...but since this is just an init step, it may be ok
			 * ~6.4s
			 */
//			long start = System.currentTimeMillis();
//			Hmm<ObservationVector> hmm = HmmReader.read(
//					new FileReader("demos/home-hmm/kasteren-jahmm.model"), 
//					new OpdfVectorReader());
//			long end = System.currentTimeMillis();
//
//			System.out.println("hmm = " + hmm.getPi(0));
//			System.out.println("duration = " + (float)(end-start)/1000);
		} catch (IOException e) {
			e.printStackTrace();
//		} catch (FileFormatException e) {
//			e.printStackTrace();
		}
	}
开发者ID:claudiotrindade，项目名称:contexttoolkit，代码行数:37，代码来源:HmmSupervisedLearner.java

示例9: read

import be.ac.ulg.montefiore.run.jahmm.Hmm; //导入依赖的package包/类
/**
 * Reads a HMM from a byte stream.
 *
 * @param stream Holds the byte stream the HMM is read from.
 * @return The {@link be.ac.ulg.montefiore.run.jahmm.Hmm HMM} read.
 */
static public Hmm<?> read(InputStream stream)
throws IOException
{		
	ObjectInputStream ois = new ObjectInputStream(stream);
	
	try {
		return (Hmm<?>) ois.readObject();
	}
	catch(ClassNotFoundException e) {
		throw new RuntimeException(e);
	}
}
开发者ID:claudiotrindade，项目名称:contexttoolkit，代码行数:19，代码来源:HmmBinaryReader.java

示例10: HMMDomainGenerator

import be.ac.ulg.montefiore.run.jahmm.Hmm; //导入依赖的package包/类
public HMMDomainGenerator(ChipChipData ccd, double[] means, double[] covars, double[][] transition) {
	ArrayList<Opdf<ObservationReal>> pdfs = new ArrayList<Opdf<ObservationReal>>();
       for (int i = 0; i < numStates; i++) {
           pdfs.add(new OpdfGaussian(means[i],
                                          covars[i]));            
       }
       hmm = new Hmm<ObservationReal>(initialProbabilities,
                                        transition,
                                        pdfs);
       for (int i = 0; i < numStates; i++) {
           System.err.println("pi[" + i + "]=" + hmm.getPi(i));
       } 
	
	this.ccd = ccd;
}
开发者ID:shaunmahony，项目名称:multigps-archive，代码行数:16，代码来源:HMMDomainGenerator.java

示例11: CGHCallExpander

import be.ac.ulg.montefiore.run.jahmm.Hmm; //导入依赖的package包/类
public CGHCallExpander (ChipChipData data) {
    this.data = data;

    transition = new double[numStates][numStates];
    transition[LOW][LOW] = .98;
    transition[LOW][ONE] = .02;
    transition[LOW][HIGH] = .00;
    transition[ONE][LOW] = .02;
    transition[ONE][ONE] = .94;
    transition[ONE][HIGH] = .02;
    transition[HIGH][LOW] = .00;
    transition[HIGH][ONE] = .02;
    transition[HIGH][HIGH] = .98;
    initialProbabilities = new double[3];
    initialProbabilities[LOW] = .01;
    initialProbabilities[ONE] = .98;
    initialProbabilities[HIGH] = .01;

    pdfs = new ArrayList<Opdf<ObservationReal>>();
    /* params are mean and variance */
    pdfs.add(new OpdfGaussian(defaultParams[0][0],
                              defaultParams[0][1]));
    pdfs.add(new OpdfGaussian(defaultParams[1][0],
                              defaultParams[1][1]));
    pdfs.add(new OpdfGaussian(defaultParams[2][0],
                              defaultParams[2][1]));
    hmm = new Hmm<ObservationReal>(initialProbabilities,
                                   transition,
                                   pdfs);                              
}
开发者ID:shaunmahony，项目名称:multigps-archive，代码行数:31，代码来源:CGHCallExpander.java

示例12: HMMParameterEstimator

import be.ac.ulg.montefiore.run.jahmm.Hmm; //导入依赖的package包/类
public HMMParameterEstimator(ChipChipData ccd, double[] means, double[] covars, double[][] transition) {
	ArrayList<Opdf<ObservationReal>> pdfs = new ArrayList<Opdf<ObservationReal>>();
       for (int i = 0; i < 2; i++) {
           pdfs.add(new OpdfGaussian(means[i],
                                          covars[i]));            
       }
       hmm = new Hmm<ObservationReal>(initialProbabilities,
                                        transition,
                                        pdfs);
       for (int i = 0; i < numStates; i++) {
           System.err.println("pi[" + i + "]=" + hmm.getPi(i));
       } 
	
	this.ccd = ccd;
}
开发者ID:shaunmahony，项目名称:multigps-archive，代码行数:16，代码来源:HMMParameterEstimator.java

示例13: getClassModel

import be.ac.ulg.montefiore.run.jahmm.Hmm; //导入依赖的package包/类
@Override
public Map<String, Hmm> getClassModel() {
    return classModel;
}
开发者ID:kostagiolasn，项目名称:NucleosomePatternClassifier，代码行数:5，代码来源:HmmHandler.java

示例14: getHmm

import be.ac.ulg.montefiore.run.jahmm.Hmm; //导入依赖的package包/类
public Hmm<ObservationVector> getHmm() {
	return hmm;
}
开发者ID:claudiotrindade，项目名称:contexttoolkit，代码行数:4，代码来源:HmmWrapper.java

示例15: createHmmModel

import be.ac.ulg.montefiore.run.jahmm.Hmm; //导入依赖的package包/类
private static Hmm<ObservationDiscrete<MobilityState>> createHmmModel() {
	OpdfDiscreteFactory<MobilityState> factory = new OpdfDiscreteFactory<MobilityState>(
			MobilityState.class);
	Hmm<ObservationDiscrete<MobilityState>> hmm = new Hmm<ObservationDiscrete<MobilityState>>(
			MobilityState.values().length, factory);
	// Assume we will never have CYCLING and UNKNOWN state
	for (MobilityState state : MobilityState.values()) {
		if (state.equals(MobilityState.CYCLING) || state.equals(MobilityState.UNKNOWN)) {
			hmm.setPi(state.ordinal(), 0);
		} else {
			hmm.setPi(state.ordinal(),
					1.0 / (MobilityState.values().length - 2));
		}
	}

	hmm.setOpdf(MobilityState.STILL.ordinal(),
			new OpdfDiscrete<MobilityState>(MobilityState.class,
					new double[] { 0.70, 0.005, 0.005, 0.29, 0, 0 }));
	hmm.setOpdf(MobilityState.RUN.ordinal(),
			new OpdfDiscrete<MobilityState>(MobilityState.class,
					new double[] { 0.20, 0.50, 0.10, 0.20, 0 , 0}));
	hmm.setOpdf(MobilityState.WALK.ordinal(),
			new OpdfDiscrete<MobilityState>(MobilityState.class,
					new double[] { 0.20, 0.10, 0.50, 0.20, 0, 0 }));
	hmm.setOpdf(MobilityState.DRIVE.ordinal(),
			new OpdfDiscrete<MobilityState>(MobilityState.class,
					new double[] { 0.28, 0.01, 0.01, 0.70, 0, 0 }));

	hmm.setAij(MobilityState.STILL.ordinal(),
			MobilityState.STILL.ordinal(), 0.70);
	hmm.setAij(MobilityState.STILL.ordinal(), MobilityState.RUN.ordinal(),
			0.14);
	hmm.setAij(MobilityState.STILL.ordinal(), MobilityState.WALK.ordinal(),
			0.15);
	hmm.setAij(MobilityState.STILL.ordinal(),
			MobilityState.DRIVE.ordinal(), 0.01);
	hmm.setAij(MobilityState.STILL.ordinal(),
			MobilityState.CYCLING.ordinal(), 0.00);
	hmm.setAij(MobilityState.STILL.ordinal(),
			MobilityState.UNKNOWN.ordinal(), 0.00);

	hmm.setAij(MobilityState.RUN.ordinal(), MobilityState.STILL.ordinal(),
			0.10);
	hmm.setAij(MobilityState.RUN.ordinal(), MobilityState.RUN.ordinal(),
			0.49);
	hmm.setAij(MobilityState.RUN.ordinal(), MobilityState.WALK.ordinal(),
			0.40);
	hmm.setAij(MobilityState.RUN.ordinal(), MobilityState.DRIVE.ordinal(),
			0.01);
	hmm.setAij(MobilityState.RUN.ordinal(),
			MobilityState.CYCLING.ordinal(), 0.00);
	hmm.setAij(MobilityState.RUN.ordinal(),
			MobilityState.UNKNOWN.ordinal(), 0.00);
	
	hmm.setAij(MobilityState.WALK.ordinal(), MobilityState.STILL.ordinal(),
			0.10);
	hmm.setAij(MobilityState.WALK.ordinal(), MobilityState.RUN.ordinal(),
			0.40);
	hmm.setAij(MobilityState.WALK.ordinal(), MobilityState.WALK.ordinal(),
			0.49);
	hmm.setAij(MobilityState.WALK.ordinal(), MobilityState.DRIVE.ordinal(),
			0.01);
	hmm.setAij(MobilityState.WALK.ordinal(),
			MobilityState.CYCLING.ordinal(), 0.00);
	hmm.setAij(MobilityState.WALK.ordinal(),
			MobilityState.UNKNOWN.ordinal(), 0.00);

	hmm.setAij(MobilityState.DRIVE.ordinal(),
			MobilityState.STILL.ordinal(), 0.09);
	hmm.setAij(MobilityState.DRIVE.ordinal(), MobilityState.RUN.ordinal(),
			0.01);
	hmm.setAij(MobilityState.DRIVE.ordinal(), MobilityState.WALK.ordinal(),
			0.20);
	hmm.setAij(MobilityState.DRIVE.ordinal(),
			MobilityState.DRIVE.ordinal(), 0.70);
	hmm.setAij(MobilityState.DRIVE.ordinal(),
			MobilityState.CYCLING.ordinal(), 0.00);
	hmm.setAij(MobilityState.DRIVE.ordinal(),
			MobilityState.UNKNOWN.ordinal(), 0.00);
	return (hmm);
}
开发者ID:ohmage，项目名称:lifestreams，代码行数:82，代码来源:HMMMobilityRectifier.java


注：本文中的be.ac.ulg.montefiore.run.jahmm.Hmm类示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。