java.lang.Object
- org.opencv.core.Algorithm
- - org.opencv.img_hash.ImgHashBase
  - - org.opencv.img_hash.RadialVarianceHash

```
public class RadialVarianceHash
extends ImgHashBase
```
Image hash based on Radon transform. See CITE: tang2012perceptual for details.

Field Summary
- Fields inherited from class org.opencv.core.Algorithm
  nativeObj

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`static RadialVarianceHash`	`__fromPtr__(long addr)`
`static RadialVarianceHash`	`create()`
`static RadialVarianceHash`	`create(double sigma)`
`static RadialVarianceHash`	`create(double sigma, int numOfAngleLine)`
`protected void`	`finalize()`
`int`	`getNumOfAngleLine()`
`double`	`getSigma()`
`void`	`setNumOfAngleLine(int value)`
`void`	`setSigma(double value)`

Methods inherited from class org.opencv.core.Algorithm
clear, empty, getDefaultName, getNativeObjAddr, save

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

protected RadialVarianceHash(long addr)

public static RadialVarianceHash __fromPtr__(long addr)

public static RadialVarianceHash create(double sigma,
                                        int numOfAngleLine)

public static RadialVarianceHash create(double sigma)

public static RadialVarianceHash create()

public void setNumOfAngleLine(int value)

public void setSigma(double value)

protected void finalize()
                 throws java.lang.Throwable

Class RadialVarianceHash