marf.FeatureExtraction.FFT
Class FFT

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

All Implemented Interfaces:

IStorageManager, java.io.Serializable

public class FFT

extends FeatureExtraction

Class FFT implements Fast Fourier Transform.

$Id: FFT.java,v 1.42 2005/05/31 04:22:24 mokhov Exp $

Since:

0.0.1

Version:

$Revision: 1.42 $

Author:

Stephen Sinclair

See Also:

Serialized Form

Field Summary

static int

DEFAULT_CHUNK_SIZE Default number (1024) of doubles per chunk in the window.

Fields inherited from class marf.FeatureExtraction.FeatureExtraction

adFeatures, oPreprocessing

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

FFT(marf.Preprocessing.Preprocessing poPreprocessing)
FFT Constructor.

Method Summary

boolean	extractFeatures() FFT Implementation of extractFeatures().
static java.lang.String	getRevision() Returns source code revision information.

Methods inherited from class marf.FeatureExtraction.FeatureExtraction

backSynchronizeObject, getFeaturesArray

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

DEFAULT_CHUNK_SIZE

public static final int DEFAULT_CHUNK_SIZE

Default number (1024) of doubles per chunk in the window. Feature vector will be half of the chunk size.

See Also:

Constant Field Values

Constructor Detail

FFT

public FFT(marf.Preprocessing.Preprocessing poPreprocessing)

FFT Constructor.

Parameters:

poPreprocessing - Preprocessing module reference

Method Detail

extractFeatures

public final boolean extractFeatures()
                              throws FeatureExtractionException

FFT Implementation of extractFeatures().

Specified by:

extractFeatures in class FeatureExtraction

Returns:

true if there were features extracted, false otherwise

Throws:

FeatureExtractionException

getRevision

public static java.lang.String getRevision()

Returns source code revision information.

Returns:

revision string

Since:

0.3.0