SvhnDataFetcher

java.lang.Object
- org.deeplearning4j.datasets.fetchers.CacheableExtractableDataSetFetcher
- - org.deeplearning4j.datasets.fetchers.SvhnDataFetcher

```
public class SvhnDataFetcher
extends CacheableExtractableDataSetFetcher
```
The Street View House Numbers (SVHN) Dataset is a real-world image dataset for developing machine learning and object recognition algorithms with minimal requirement on data preprocessing and formatting. The SVHN datasets contain 10 classes (digits) with 73257 digits for training, 26032 digits for testing, and 531131 extra. Datasets in "Format 1: Full Numbers" are fetched. See: http://ufldl.stanford.edu/housenumbers/

Field Summary

Fields
Modifier and Type Field and Description

static int NUM_LABELS

Fields
Modifier and Type	Field and Description
`static int`	`NUM_LABELS`

Constructor Summary

Constructors
Constructor and Description

SvhnDataFetcher()

Constructors
Constructor and Description
`SvhnDataFetcher()`

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`java.lang.String`	`dataSetName(DataSetType set)`
`long`	`expectedChecksum(DataSetType set)`
`java.io.File`	`getDataSetPath(DataSetType set)`
`RecordReader`	`getRecordReader(long rngSeed, int[] imgDim, DataSetType set, ImageTransform imageTransform)`
`java.lang.String`	`localCacheName()`
`java.lang.String`	`remoteDataUrl(DataSetType set)`
`static void`	`setBaseUrl(java.lang.String baseUrl)`

Methods inherited from class org.deeplearning4j.datasets.fetchers.CacheableExtractableDataSetFetcher
deleteIfEmpty, downloadAndExtract, downloadAndExtract, expectedChecksum, getLocalCacheDir, isCached, remoteDataUrl

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail
- NUM_LABELS
```
public static int NUM_LABELS
```

Constructor Detail
- SvhnDataFetcher
```
public SvhnDataFetcher()
```

Method Detail

setBaseUrl

public static void setBaseUrl(java.lang.String baseUrl)

remoteDataUrl

public java.lang.String remoteDataUrl(DataSetType set)

localCacheName

public java.lang.String localCacheName()

dataSetName
```
public java.lang.String dataSetName(DataSetType set)
```
Overrides:

dataSetName in class CacheableExtractableDataSetFetcher

expectedChecksum

public long expectedChecksum(DataSetType set)

getDataSetPath

public java.io.File getDataSetPath(DataSetType set)
                            throws java.io.IOException

Throws:: java.io.IOException

getRecordReader

public RecordReader getRecordReader(long rngSeed,
                                    int[] imgDim,
                                    DataSetType set,
                                    ImageTransform imageTransform)

Class SvhnDataFetcher

Field Summary

Constructor Summary

Method Summary

Methods inherited from class org.deeplearning4j.datasets.fetchers.CacheableExtractableDataSetFetcher

Methods inherited from class java.lang.Object

Field Detail

NUM_LABELS

Constructor Detail

SvhnDataFetcher

Method Detail

setBaseUrl

remoteDataUrl

localCacheName

dataSetName

expectedChecksum

getDataSetPath

getRecordReader