net.semanticmetadata.lire.searchers

类 GenericDocValuesImageSearcher

java.lang.Object

net.semanticmetadata.lire.searchers.AbstractImageSearcher

net.semanticmetadata.lire.searchers.GenericDocValuesImageSearcher

所有已实现的接口:

ImageSearcher

public class GenericDocValuesImageSearcher
extends AbstractImageSearcher

A generic image searcher for global features that uses DocValues instead of Lucene text fields. Please make sure you created the index using th useDocValues option in

作者:

Mathias Lux, mathias@juggle.at

字段概要

字段

限定符和类型	字段和说明
protected LireFeature	cachedInstance
protected java.util.TreeSet<SimpleResult>	docs
protected ExtractorItem	extractorItem
protected java.lang.String	fieldName
protected java.util.logging.Logger	logger
protected double	maxDistance
protected int	maxHits
protected org.apache.lucene.index.IndexReader	reader
protected boolean	useSimilarityScore

构造器概要

构造器

构造器和说明
GenericDocValuesImageSearcher(int maxHits, java.lang.Class<? extends GlobalFeature> globalFeature, org.apache.lucene.index.IndexReader reader)

方法概要

限定符和类型	方法和说明
ImageDuplicates	findDuplicates(org.apache.lucene.index.IndexReader reader) Identifies duplicates in the database.
protected double	findSimilar(LireFeature lireFeature)
protected void	init()
ImageSearchHits	search(java.awt.image.BufferedImage image, org.apache.lucene.index.IndexReader reader) Searches for images similar to the given image.
ImageSearchHits	search(org.apache.lucene.document.Document doc, org.apache.lucene.index.IndexReader reader) Searches for images similar to the given image, defined by the Document from the index.
ImageSearchHits	search(int doc)
java.lang.String	toString()

从类继承的方法 net.semanticmetadata.lire.searchers.AbstractImageSearcher

relevanceFeedback, search

从类继承的方法 java.lang.Object

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

字段详细资料

logger

protected java.util.logging.Logger logger

fieldName

protected java.lang.String fieldName

cachedInstance

protected LireFeature cachedInstance

extractorItem

protected ExtractorItem extractorItem

reader

protected org.apache.lucene.index.IndexReader reader

maxHits

protected int maxHits

docs

protected java.util.TreeSet<SimpleResult> docs

maxDistance

protected double maxDistance

useSimilarityScore

protected boolean useSimilarityScore

构造器详细资料

GenericDocValuesImageSearcher

public GenericDocValuesImageSearcher(int maxHits,
                                     java.lang.Class<? extends GlobalFeature> globalFeature,
                                     org.apache.lucene.index.IndexReader reader)

方法详细资料

init

protected void init()

findSimilar

protected double findSimilar(LireFeature lireFeature)
                      throws java.io.IOException

参数:

lireFeature -

返回:

the maximum distance found for normalizing.

抛出:

java.io.IOException

search

public ImageSearchHits search(int doc)
                       throws java.io.IOException

抛出:

java.io.IOException

search

public ImageSearchHits search(org.apache.lucene.document.Document doc,
                              org.apache.lucene.index.IndexReader reader)
                       throws java.io.IOException

从接口复制的说明: ImageSearcher

Searches for images similar to the given image, defined by the Document from the index.

参数:

doc - the example image to search for.

reader - the IndexReader which is used to dsearch through the images.

返回:

a sorted list of hits.

抛出:

java.io.IOException - in case exceptions in the reader occurs

search

public ImageSearchHits search(java.awt.image.BufferedImage image,
                              org.apache.lucene.index.IndexReader reader)
                       throws java.io.IOException

从接口复制的说明: ImageSearcher

Searches for images similar to the given image.

参数:

image - the example image to search for.

reader - the IndexReader which is used to search through the images.

返回:

a sorted list of hits.

抛出:

java.io.IOException - in case exceptions in the reader occurs

findDuplicates

public ImageDuplicates findDuplicates(org.apache.lucene.index.IndexReader reader)
                               throws java.io.IOException

从接口复制的说明: ImageSearcher

Identifies duplicates in the database.

参数:

reader - the IndexReader which is used to dsearch through the images.

返回:

a sorted list of hits.

抛出:

java.io.IOException - in case the image could not be read from stream.

toString

public java.lang.String toString()

覆盖:

toString 在类中 java.lang.Object