OpponentHistogram (LIRE API)

java.lang.Object
- net.semanticmetadata.lire.imageanalysis.features.global.OpponentHistogram

所有已实现的接口:

Extractor, FeatureVector, GlobalFeature, LireFeature
```
public class OpponentHistogram
extends java.lang.Object
implements GlobalFeature
```
Simple 64 bin Opponent Histogram, based on the Opponent color space as described in van de Sande, Gevers & Snoek (2010) "Evaluating Color Descriptors for Object and Scene Recognition", IEEE PAMI (see BibTeX in the source code).

作者:

Mathias Lux, mathias@juggle.at Date: 18.12.12 Time: 11:53

构造器概要

构造器
构造器和说明

OpponentHistogram()

构造器
构造器和说明
`OpponentHistogram()`

方法概要

所有方法实例方法具体方法
限定符和类型	方法和说明
`void`	`extract(java.awt.image.BufferedImage bimg)` Extracts the feature vector from a BufferedImage.
`byte[]`	`getByteArrayRepresentation()` Returns a compact byte[] based representation of the feature vector.
`double`	`getDistance(byte[] h1, byte[] h2)`
`double`	`getDistance(byte[] h1, int offset1, int length1, byte[] h2, int offset2, int length2)` Jeffrey Divergence or Jensen-Shannon divergence (JSD) from Deselaers, T.; Keysers, D. & Ney, H.
`double`	`getDistance(LireFeature feature)` The distance function for this type of feature
`java.lang.String`	`getFeatureName()` Gives a descriptive name of the feature, i.e. a name to show up in benchmarks, menus, UIs, etc.
`double[]`	`getFeatureVector()` Convenience method to get the feature vector as double[] array.
`java.lang.String`	`getFieldName()` Returns the preferred field name for indexing.
`void`	`setByteArrayRepresentation(byte[] in)` Sets the feature vector values based on the byte[] data.
`void`	`setByteArrayRepresentation(byte[] in, int offset, int length)` Sets the feature vector values based on the byte[] data.

从类继承的方法 java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- 构造器详细资料
  - OpponentHistogram
```
public OpponentHistogram()
```
- 方法详细资料
  - extract
```
public void extract(java.awt.image.BufferedImage bimg)
```
    从接口复制的说明: Extractor
    
    Extracts the feature vector from a BufferedImage.
    
    指定者:
    
    extract 在接口中 Extractor
    
    参数:
    
    bimg - the source image
  - getByteArrayRepresentation
```
public byte[] getByteArrayRepresentation()
```
    从接口复制的说明: LireFeature
    
    Returns a compact byte[] based representation of the feature vector.
    
    指定者:
    
    getByteArrayRepresentation 在接口中 LireFeature
    
    返回:
    
    a compact byte[] array containing the feature vector.
    
    另请参阅:
    
    LireFeature.setByteArrayRepresentation(byte[])
  - setByteArrayRepresentation
```
public void setByteArrayRepresentation(byte[] in)
```
    从接口复制的说明: LireFeature
    
    Sets the feature vector values based on the byte[] data. Use LireFeature.getByteArrayRepresentation() to generate a compatible byte[] array.
    
    指定者:
    
    setByteArrayRepresentation 在接口中 LireFeature
    
    参数:
    
    in - the byte[] data.
    
    另请参阅:
    
    LireFeature.getByteArrayRepresentation()
  - setByteArrayRepresentation
```
public void setByteArrayRepresentation(byte[] in,
                                       int offset,
                                       int length)
```
    从接口复制的说明: LireFeature
    
    Sets the feature vector values based on the byte[] data. Use LireFeature.getByteArrayRepresentation() to generate a compatible byte[] array.
    
    指定者:
    
    setByteArrayRepresentation 在接口中 LireFeature
    
    参数:
    
    in - the byte[] array containing the data.
    
    offset - the offset, i.e. where the feature vector starts.
    
    length - the length of the data representing the feature vector.
    
    另请参阅:
    
    LireFeature.getByteArrayRepresentation()
  - getFeatureVector
```
public double[] getFeatureVector()
```
    从接口复制的说明: FeatureVector
    
    Convenience method to get the feature vector as double[] array. This method is used by classifiers, etc.
    
    指定者:
    
    getFeatureVector 在接口中 FeatureVector
    
    返回:
    
    the feature vector as a double[] array.
  - getDistance
```
public double getDistance(LireFeature feature)
```
    从接口复制的说明: LireFeature
    
    The distance function for this type of feature
    
    指定者:
    
    getDistance 在接口中 LireFeature
    
    参数:
    
    feature - the feature vector to compare the current instance to.
    
    返回:
    
    the distance (or dissimilarity) between the instance and the parameter.
  - getDistance
```
public double getDistance(byte[] h1,
                          byte[] h2)
```
  - getDistance
```
public double getDistance(byte[] h1,
                          int offset1,
                          int length1,
                          byte[] h2,
                          int offset2,
                          int length2)
```
    Jeffrey Divergence or Jensen-Shannon divergence (JSD) from Deselaers, T.; Keysers, D. & Ney, H. Features for image retrieval: an experimental comparison Inf. Retr., Kluwer Academic Publishers, 2008, 11, 77-107
    
    参数:
    
    h1 -
    
    offset1 -
    
    length1 -
    
    h2 -
    
    offset2 -
    
    length2 -
    
    返回:
  - getFeatureName
```
public java.lang.String getFeatureName()
```
    从接口复制的说明: LireFeature
    
    Gives a descriptive name of the feature, i.e. a name to show up in benchmarks, menus, UIs, etc.
    
    指定者:
    
    getFeatureName 在接口中 LireFeature
    
    返回:
    
    the name of the feature.
  - getFieldName
```
public java.lang.String getFieldName()
```
    从接口复制的说明: LireFeature
    
    Returns the preferred field name for indexing.
    
    指定者:
    
    getFieldName 在接口中 LireFeature
    
    返回:
    
    the field name preferred for indexing in a Lucene index.

类 OpponentHistogram

构造器概要

方法概要

从类继承的方法 java.lang.Object

构造器详细资料

OpponentHistogram

方法详细资料

extract

getByteArrayRepresentation

setByteArrayRepresentation

setByteArrayRepresentation

getFeatureVector

getDistance

getDistance

getDistance

getFeatureName

getFieldName