BIF (OpenCV 4.7.0 Java documentation)

java.lang.Object
- org.opencv.core.Algorithm
- - org.opencv.face.BIF

```
public class BIF
extends Algorithm
```
Implementation of bio-inspired features (BIF) from the paper: Guo, Guodong, et al. "Human age estimation using bio-inspired features." Computer Vision and Pattern Recognition, 2009. CVPR 2009.

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

Constructor Summary

Constructors
Modifier Constructor Description

protected BIF(long addr)

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`static BIF`	`__fromPtr__(long addr)`
`void`	`compute(Mat image, Mat features)`	Computes features sby input image.
`static BIF`	`create()`
`static BIF`	`create(int num_bands)`
`static BIF`	`create(int num_bands, int num_rotations)`
`protected void`	`finalize()`
`int`	`getNumBands()`
`int`	`getNumRotations()`

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

- Constructor Detail
  - BIF
```
protected BIF(long addr)
```
- Method Detail
  - __fromPtr__
```
public static BIF __fromPtr__(long addr)
```
  - getNumBands
```
public int getNumBands()
```
    Returns:
    
    The number of filter bands used for computing BIF.
  - getNumRotations
```
public int getNumRotations()
```
    Returns:
    
    The number of image rotations.
  - compute
```
public void compute(Mat image,
                    Mat features)
```
    Computes features sby input image.
    
    Parameters:
    
    image - Input image (CV_32FC1).
    
    features - Feature vector (CV_32FC1).
  - create
```
public static BIF create(int num_bands,
                         int num_rotations)
```
    Parameters:
    
    num_bands - The number of filter bands (<=8) used for computing BIF.
    
    num_rotations - The number of image rotations for computing BIF.
    
    Returns:
    
    Object for computing BIF.
  - create
```
public static BIF create(int num_bands)
```
    Parameters:
    
    num_bands - The number of filter bands (<=8) used for computing BIF.
    
    Returns:
    
    Object for computing BIF.
  - create
```
public static BIF create()
```
    Returns:
    
    Object for computing BIF.
  - finalize
```
protected void finalize()
                 throws java.lang.Throwable
```
    Overrides:
    
    finalize in class Algorithm
    
    Throws:
    
    java.lang.Throwable