marf.FeatureExtraction
Class FeatureExtraction

java.lang.Object
  |
  +--marf.Storage.StorageManager
        |
        +--marf.FeatureExtraction.FeatureExtraction

All Implemented Interfaces:

IStorageManager, java.io.Serializable

Direct Known Subclasses:

Cepstral, F0, FFT, LPC, MinMaxAmplitudes, RandomFeatureExtraction, Segmentation

public abstract class FeatureExtraction

extends StorageManager

Generic Feature Extraction Module.

$Id: FeatureExtraction.java,v 1.26 2005/05/25 01:46:32 mokhov Exp $

Since:

0.0.1

Version:

$Revision: 1.26 $

Author:

Serguei Mokhov

See Also:

Serialized Form

Field Summary

protected double[]	adFeatures An array of features extracted (coefficiencies and/or amplitude values).
protected marf.Preprocessing.Preprocessing	oPreprocessing Internal reference to the Preprocessing module.

Fields inherited from class marf.Storage.StorageManager

iCurrentDumpMode, oObjectToSerialize, strFilename

Fields inherited from interface marf.Storage.IStorageManager

DUMP_BINARY, DUMP_CSV_TEXT, DUMP_GZIP_BINARY, DUMP_HTML, DUMP_SQL, DUMP_XML, INTERFACE_CODE_REVISION, sastrExtensionsMap

Constructor Summary

protected

FeatureExtraction(marf.Preprocessing.Preprocessing poPreprocessing) Main FeatureExtraction constructor.

Method Summary

void	backSynchronizeObject() Implementaion of back-synchronization of loaded object.
abstract boolean	extractFeatures() Abstract feature extraction routine.
double[]	getFeaturesArray() Allows retrieval of the internal feature vector.
static java.lang.String	getRevision() Returns source code revision information.

Methods inherited from class marf.Storage.StorageManager

dump, dumpBinary, dumpCSV, dumpGzipBinary, dumpHTML, dumpSQL, dumpXML, getDefaultExtension, getDefaultExtension, getDumpMode, getFilename, restore, restoreBinary, restoreCSV, restoreGzipBinary, restoreHTML, restoreSQL, restoreXML, setDumpMode, setFilename

Methods inherited from class java.lang.Object

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

Field Detail

oPreprocessing

protected marf.Preprocessing.Preprocessing oPreprocessing

Internal reference to the Preprocessing module.

adFeatures

protected double[] adFeatures

An array of features extracted (coefficiencies and/or amplitude values).

Constructor Detail

FeatureExtraction

protected FeatureExtraction(marf.Preprocessing.Preprocessing poPreprocessing)

Main FeatureExtraction constructor.

Parameters:

poPreprocessing - preprocessing object ref.

Method Detail

extractFeatures

public abstract boolean extractFeatures()
                                 throws FeatureExtractionException

Abstract feature extraction routine. Must be defined by the derivatives.

Returns:

boolean true if there were features extracted, false otherwise

Throws:

FeatureExtractionException - if there was an error while extracting features

getFeaturesArray

public final double[] getFeaturesArray()

Allows retrieval of the internal feature vector.

Returns:

array of features (double values)

backSynchronizeObject

public void backSynchronizeObject()

Implementaion of back-synchronization of loaded object.

Overrides:

backSynchronizeObject in class StorageManager

Since:

0.3.0

See Also:

StorageManager.restore()

getRevision

public static java.lang.String getRevision()

Returns source code revision information.

Returns:

revision string

Since:

0.3.0