org.deeplearning4j.base

Class LFWLoader

java.lang.Object

org.deeplearning4j.base.LFWLoader

public class LFWLoader
extends Object

Loads LFW faces data set. You can customize the size of the images as well

Author:

Adam Gibson

Field Summary

Fields

Modifier and Type	Field and Description
static String	LFW
static String	LFW_URL

Constructor Summary

Constructors

Constructor and Description
LFWLoader()
LFWLoader(int imageWidth, int imageHeight)

Method Summary

Methods

Modifier and Type	Method and Description
DataSet	convertListPairs(List<DataSet> images)
DataSet	fromImageFile(int label, File image)
DataSet	getAllImagesAsMatrix()
DataSet	getAllImagesAsMatrix(int numRows)
DataSet	getDataFor(int i)
List<DataSet>	getFirst(int num) Get the first num found images
void	getIfNotExists()
List<DataSet>	getImages(int label, File file)
List<DataSet>	getImagesAsList()
int	getNumNames()
int	getNumPixelColumns()
static void	gunzipFile(File baseDir, File gzFile)
void	untarFile(File baseDir, File tarFile)

Methods inherited from class java.lang.Object

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

Field Detail

LFW

public static final String LFW

See Also:

Constant Field Values

LFW_URL

public static final String LFW_URL

See Also:

Constant Field Values

Constructor Detail

LFWLoader

public LFWLoader()

LFWLoader

public LFWLoader(int imageWidth,
         int imageHeight)

Method Detail

getIfNotExists

public void getIfNotExists()
                    throws Exception

Throws:

Exception

convertListPairs

public DataSet convertListPairs(List<DataSet> images)

getDataFor

public DataSet getDataFor(int i)

getFirst

public List<DataSet> getFirst(int num)
                       throws Exception

Get the first num found images

Parameters:

num - the number of images to get

Returns:

Throws:

Exception

getAllImagesAsMatrix

public DataSet getAllImagesAsMatrix()
                             throws Exception

Throws:

Exception

getAllImagesAsMatrix

public DataSet getAllImagesAsMatrix(int numRows)
                             throws Exception

Throws:

Exception

getImagesAsList

public List<DataSet> getImagesAsList()
                              throws Exception

Throws:

Exception

getImages

public List<DataSet> getImages(int label,
                      File file)
                        throws Exception

Throws:

Exception

fromImageFile

public DataSet fromImageFile(int label,
                    File image)
                      throws Exception

Throws:

Exception

untarFile

public void untarFile(File baseDir,
             File tarFile)
               throws IOException

Throws:

IOException

gunzipFile

public static void gunzipFile(File baseDir,
              File gzFile)
                       throws IOException

Throws:

IOException

getNumNames

public int getNumNames()

getNumPixelColumns

public int getNumPixelColumns()