java.lang.Object
- org.opencv.core.Algorithm
- - org.opencv.features2d.Feature2D
  - - org.opencv.features2d.BRISK

```
public class BRISK
extends Feature2D
```
Class implementing the BRISK keypoint detector and descriptor extractor, described in CITE: LCS11 .

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

Constructor Summary

Constructors
Modifier Constructor Description

protected BRISK(long addr)

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`static BRISK`	`__fromPtr__(long addr)`
`static BRISK`	`create()`	The BRISK constructor keypoint.
`static BRISK`	`create(int thresh)`	The BRISK constructor
`static BRISK`	`create(int thresh, int octaves)`	The BRISK constructor
`static BRISK`	`create(int thresh, int octaves, float patternScale)`	The BRISK constructor
`static BRISK`	`create(int thresh, int octaves, MatOfFloat radiusList, MatOfInt numberList)`	The BRISK constructor for a custom pattern, detection threshold and octaves
`static BRISK`	`create(int thresh, int octaves, MatOfFloat radiusList, MatOfInt numberList, float dMax)`	The BRISK constructor for a custom pattern, detection threshold and octaves
`static BRISK`	`create(int thresh, int octaves, MatOfFloat radiusList, MatOfInt numberList, float dMax, float dMin)`	The BRISK constructor for a custom pattern, detection threshold and octaves
`static BRISK`	`create(int thresh, int octaves, MatOfFloat radiusList, MatOfInt numberList, float dMax, float dMin, MatOfInt indexChange)`	The BRISK constructor for a custom pattern, detection threshold and octaves
`static BRISK`	`create(MatOfFloat radiusList, MatOfInt numberList)`	The BRISK constructor for a custom pattern
`static BRISK`	`create(MatOfFloat radiusList, MatOfInt numberList, float dMax)`	The BRISK constructor for a custom pattern
`static BRISK`	`create(MatOfFloat radiusList, MatOfInt numberList, float dMax, float dMin)`	The BRISK constructor for a custom pattern
`static BRISK`	`create(MatOfFloat radiusList, MatOfInt numberList, float dMax, float dMin, MatOfInt indexChange)`	The BRISK constructor for a custom pattern
`protected void`	`finalize()`
`java.lang.String`	`getDefaultName()`	Returns the algorithm string identifier.
`int`	`getOctaves()`
`int`	`getThreshold()`
`void`	`setOctaves(int octaves)`	Set detection octaves.
`void`	`setThreshold(int threshold)`	Set detection threshold.

Methods inherited from class org.opencv.features2d.Feature2D
compute, compute, defaultNorm, descriptorSize, descriptorType, detect, detect, detect, detect, detectAndCompute, detectAndCompute, empty, read, write

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

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

- Constructor Detail
  - BRISK
```
protected BRISK(long addr)
```
- Method Detail
  - __fromPtr__
```
public static BRISK __fromPtr__(long addr)
```
  - create
```
public static BRISK create(int thresh,
                           int octaves,
                           MatOfFloat radiusList,
                           MatOfInt numberList,
                           float dMax,
                           float dMin,
                           MatOfInt indexChange)
```
    The BRISK constructor for a custom pattern, detection threshold and octaves
    
    Parameters:
    
    thresh - AGAST detection threshold score.
    
    octaves - detection octaves. Use 0 to do single scale.
    
    radiusList - defines the radii (in pixels) where the samples around a keypoint are taken (for keypoint scale 1).
    
    numberList - defines the number of sampling points on the sampling circle. Must be the same size as radiusList..
    
    dMax - threshold for the short pairings used for descriptor formation (in pixels for keypoint scale 1).
    
    dMin - threshold for the long pairings used for orientation determination (in pixels for keypoint scale 1).
    
    indexChange - index remapping of the bits.
    
    Returns:
    
    automatically generated
  - create
```
public static BRISK create(int thresh,
                           int octaves,
                           MatOfFloat radiusList,
                           MatOfInt numberList,
                           float dMax,
                           float dMin)
```
    The BRISK constructor for a custom pattern, detection threshold and octaves
    
    Parameters:
    
    thresh - AGAST detection threshold score.
    
    octaves - detection octaves. Use 0 to do single scale.
    
    radiusList - defines the radii (in pixels) where the samples around a keypoint are taken (for keypoint scale 1).
    
    numberList - defines the number of sampling points on the sampling circle. Must be the same size as radiusList..
    
    dMax - threshold for the short pairings used for descriptor formation (in pixels for keypoint scale 1).
    
    dMin - threshold for the long pairings used for orientation determination (in pixels for keypoint scale 1).
    
    Returns:
    
    automatically generated
  - create
```
public static BRISK create(int thresh,
                           int octaves,
                           MatOfFloat radiusList,
                           MatOfInt numberList,
                           float dMax)
```
    The BRISK constructor for a custom pattern, detection threshold and octaves
    
    Parameters:
    
    thresh - AGAST detection threshold score.
    
    octaves - detection octaves. Use 0 to do single scale.
    
    radiusList - defines the radii (in pixels) where the samples around a keypoint are taken (for keypoint scale 1).
    
    numberList - defines the number of sampling points on the sampling circle. Must be the same size as radiusList..
    
    dMax - threshold for the short pairings used for descriptor formation (in pixels for keypoint scale 1). keypoint scale 1).
    
    Returns:
    
    automatically generated
  - create
```
public static BRISK create(int thresh,
                           int octaves,
                           MatOfFloat radiusList,
                           MatOfInt numberList)
```
    The BRISK constructor for a custom pattern, detection threshold and octaves
    
    Parameters:
    
    thresh - AGAST detection threshold score.
    
    octaves - detection octaves. Use 0 to do single scale.
    
    radiusList - defines the radii (in pixels) where the samples around a keypoint are taken (for keypoint scale 1).
    
    numberList - defines the number of sampling points on the sampling circle. Must be the same size as radiusList.. scale 1). keypoint scale 1).
    
    Returns:
    
    automatically generated
  - create
```
public static BRISK create(int thresh,
                           int octaves,
                           float patternScale)
```
    The BRISK constructor
    
    Parameters:
    
    thresh - AGAST detection threshold score.
    
    octaves - detection octaves. Use 0 to do single scale.
    
    patternScale - apply this scale to the pattern used for sampling the neighbourhood of a keypoint.
    
    Returns:
    
    automatically generated
  - create
```
public static BRISK create(int thresh,
                           int octaves)
```
    The BRISK constructor
    
    Parameters:
    
    thresh - AGAST detection threshold score.
    
    octaves - detection octaves. Use 0 to do single scale. keypoint.
    
    Returns:
    
    automatically generated
  - create
```
public static BRISK create(int thresh)
```
    The BRISK constructor
    
    Parameters:
    
    thresh - AGAST detection threshold score. keypoint.
    
    Returns:
    
    automatically generated
  - create
```
public static BRISK create()
```
    The BRISK constructor keypoint.
    
    Returns:
    
    automatically generated
  - create
```
public static BRISK create(MatOfFloat radiusList,
                           MatOfInt numberList,
                           float dMax,
                           float dMin,
                           MatOfInt indexChange)
```
    The BRISK constructor for a custom pattern
    
    Parameters:
    
    radiusList - defines the radii (in pixels) where the samples around a keypoint are taken (for keypoint scale 1).
    
    numberList - defines the number of sampling points on the sampling circle. Must be the same size as radiusList..
    
    dMax - threshold for the short pairings used for descriptor formation (in pixels for keypoint scale 1).
    
    dMin - threshold for the long pairings used for orientation determination (in pixels for keypoint scale 1).
    
    indexChange - index remapping of the bits.
    
    Returns:
    
    automatically generated
  - create
```
public static BRISK create(MatOfFloat radiusList,
                           MatOfInt numberList,
                           float dMax,
                           float dMin)
```
    The BRISK constructor for a custom pattern
    
    Parameters:
    
    radiusList - defines the radii (in pixels) where the samples around a keypoint are taken (for keypoint scale 1).
    
    numberList - defines the number of sampling points on the sampling circle. Must be the same size as radiusList..
    
    dMax - threshold for the short pairings used for descriptor formation (in pixels for keypoint scale 1).
    
    dMin - threshold for the long pairings used for orientation determination (in pixels for keypoint scale 1).
    
    Returns:
    
    automatically generated
  - create
```
public static BRISK create(MatOfFloat radiusList,
                           MatOfInt numberList,
                           float dMax)
```
    The BRISK constructor for a custom pattern
    
    Parameters:
    
    radiusList - defines the radii (in pixels) where the samples around a keypoint are taken (for keypoint scale 1).
    
    numberList - defines the number of sampling points on the sampling circle. Must be the same size as radiusList..
    
    dMax - threshold for the short pairings used for descriptor formation (in pixels for keypoint scale 1). keypoint scale 1).
    
    Returns:
    
    automatically generated
  - create
```
public static BRISK create(MatOfFloat radiusList,
                           MatOfInt numberList)
```
    The BRISK constructor for a custom pattern
    
    Parameters:
    
    radiusList - defines the radii (in pixels) where the samples around a keypoint are taken (for keypoint scale 1).
    
    numberList - defines the number of sampling points on the sampling circle. Must be the same size as radiusList.. scale 1). keypoint scale 1).
    
    Returns:
    
    automatically generated
  - getDefaultName
```
public java.lang.String getDefaultName()
```
    Description copied from class: Algorithm
    
    Returns the algorithm string identifier. This string is used as top level xml/yml node tag when the object is saved to a file or string.
    
    Overrides:
    
    getDefaultName in class Feature2D
    
    Returns:
    
    automatically generated
  - getOctaves
```
public int getOctaves()
```
  - getThreshold
```
public int getThreshold()
```
  - setOctaves
```
public void setOctaves(int octaves)
```
    Set detection octaves.
    
    Parameters:
    
    octaves - detection octaves. Use 0 to do single scale.
  - setThreshold
```
public void setThreshold(int threshold)
```
    Set detection threshold.
    
    Parameters:
    
    threshold - AGAST detection threshold score.
  - finalize
```
protected void finalize()
                 throws java.lang.Throwable
```
    Overrides:
    
    finalize in class Feature2D
    
    Throws:
    
    java.lang.Throwable

Class BRISK

Field Summary

Fields inherited from class org.opencv.core.Algorithm

Constructor Summary

Method Summary

Methods inherited from class org.opencv.features2d.Feature2D

Methods inherited from class org.opencv.core.Algorithm

Methods inherited from class java.lang.Object

Constructor Detail

BRISK

Method Detail

__fromPtr__

create

create

create

create

create

create

create

create

create

create

create

create

getDefaultName

getOctaves

getThreshold

setOctaves

setThreshold

finalize

fromPtr