java.lang.Object
- org.opencv.core.Algorithm
- - org.opencv.features2d.Feature2D
  - - org.opencv.xfeatures2d.HarrisLaplaceFeatureDetector

```
public class HarrisLaplaceFeatureDetector
extends Feature2D
```
Class implementing the Harris-Laplace feature detector as described in CITE: Mikolajczyk2004.

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

Constructor Summary

Constructors
Modifier Constructor Description

protected HarrisLaplaceFeatureDetector(long addr)

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`static HarrisLaplaceFeatureDetector`	`__fromPtr__(long addr)`
`static HarrisLaplaceFeatureDetector`	`create()`	Creates a new implementation instance.
`static HarrisLaplaceFeatureDetector`	`create(int numOctaves)`	Creates a new implementation instance.
`static HarrisLaplaceFeatureDetector`	`create(int numOctaves, float corn_thresh)`	Creates a new implementation instance.
`static HarrisLaplaceFeatureDetector`	`create(int numOctaves, float corn_thresh, float DOG_thresh)`	Creates a new implementation instance.
`static HarrisLaplaceFeatureDetector`	`create(int numOctaves, float corn_thresh, float DOG_thresh, int maxCorners)`	Creates a new implementation instance.
`static HarrisLaplaceFeatureDetector`	`create(int numOctaves, float corn_thresh, float DOG_thresh, int maxCorners, int num_layers)`	Creates a new implementation instance.
`protected void`	`finalize()`

Methods inherited from class org.opencv.features2d.Feature2D
compute, compute, defaultNorm, descriptorSize, descriptorType, detect, detect, detect, detect, detectAndCompute, detectAndCompute, empty, getDefaultName, 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
  - HarrisLaplaceFeatureDetector
```
protected HarrisLaplaceFeatureDetector(long addr)
```
- Method Detail
  - __fromPtr__
```
public static HarrisLaplaceFeatureDetector __fromPtr__(long addr)
```
  - create
```
public static HarrisLaplaceFeatureDetector create(int numOctaves,
                                                  float corn_thresh,
                                                  float DOG_thresh,
                                                  int maxCorners,
                                                  int num_layers)
```
    Creates a new implementation instance.
    
    Parameters:
    
    numOctaves - the number of octaves in the scale-space pyramid
    
    corn_thresh - the threshold for the Harris cornerness measure
    
    DOG_thresh - the threshold for the Difference-of-Gaussians scale selection
    
    maxCorners - the maximum number of corners to consider
    
    num_layers - the number of intermediate scales per octave
    
    Returns:
    
    automatically generated
  - create
```
public static HarrisLaplaceFeatureDetector create(int numOctaves,
                                                  float corn_thresh,
                                                  float DOG_thresh,
                                                  int maxCorners)
```
    Creates a new implementation instance.
    
    Parameters:
    
    numOctaves - the number of octaves in the scale-space pyramid
    
    corn_thresh - the threshold for the Harris cornerness measure
    
    DOG_thresh - the threshold for the Difference-of-Gaussians scale selection
    
    maxCorners - the maximum number of corners to consider
    
    Returns:
    
    automatically generated
  - create
```
public static HarrisLaplaceFeatureDetector create(int numOctaves,
                                                  float corn_thresh,
                                                  float DOG_thresh)
```
    Creates a new implementation instance.
    
    Parameters:
    
    numOctaves - the number of octaves in the scale-space pyramid
    
    corn_thresh - the threshold for the Harris cornerness measure
    
    DOG_thresh - the threshold for the Difference-of-Gaussians scale selection
    
    Returns:
    
    automatically generated
  - create
```
public static HarrisLaplaceFeatureDetector create(int numOctaves,
                                                  float corn_thresh)
```
    Creates a new implementation instance.
    
    Parameters:
    
    numOctaves - the number of octaves in the scale-space pyramid
    
    corn_thresh - the threshold for the Harris cornerness measure
    
    Returns:
    
    automatically generated
  - create
```
public static HarrisLaplaceFeatureDetector create(int numOctaves)
```
    Creates a new implementation instance.
    
    Parameters:
    
    numOctaves - the number of octaves in the scale-space pyramid
    
    Returns:
    
    automatically generated
  - create
```
public static HarrisLaplaceFeatureDetector create()
```
    Creates a new implementation instance.
    
    Returns:
    
    automatically generated
  - finalize
```
protected void finalize()
                 throws java.lang.Throwable
```
    Overrides:
    
    finalize in class Feature2D
    
    Throws:
    
    java.lang.Throwable

Class HarrisLaplaceFeatureDetector

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

HarrisLaplaceFeatureDetector

Method Detail

__fromPtr__

create

create

create

create

create

create

finalize

fromPtr