BernsenThreshold

Documentation of 'Catalano.Imaging.Filters.BernsenThreshold' Java class BernsenThreshold

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java.lang.Object
- Catalano.Imaging.Filters.BernsenThreshold

All Implemented Interfaces:

IApplyInPlace
```
public class BernsenThreshold
extends java.lang.Object
implements IApplyInPlace
```
Bernsen Threshold.
The method uses a user-provided contrast threshold. If the local contrast (max-min) is above or equal to the contrast threshold, the threshold is set at the local midgrey value (the mean of the minimum and maximum grey values in the local window). If the local contrast is below the contrast threshold the neighbourhood is considered to consist only of one class and the pixel is set to object or background depending on the value of the midgrey.

Properties:
Supported types: Grayscale.
Coordinate System: Matrix.

Constructor Summary

Constructors
Constructor and Description
`BernsenThreshold()` Initialize a new instance of the BernsenThreshold class.
`BernsenThreshold(int radius)` Initialize a new instance of the BernsenThreshold class.
`BernsenThreshold(int radius, double contrastThreshold)` Initialize a new instance of the BernsenThreshold class.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`void`	`applyInPlace(FastBitmap fastBitmap)` Apply filter to an image.
`double`	`getContrastThreshold()` Get Contrast threshold.
`int`	`getRadius()` Get radius.
`void`	`setContrastThreshold(double c)` Set Contrast threshold.
`void`	`setRadius(int radius)` Set radius.

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

- Constructor Detail
  - BernsenThreshold
```
public BernsenThreshold()
```
    Initialize a new instance of the BernsenThreshold class.
  - BernsenThreshold
```
public BernsenThreshold(int radius)
```
    Initialize a new instance of the BernsenThreshold class.
    
    Parameters:
    
    radius - Radius.
  - BernsenThreshold
```
public BernsenThreshold(int radius,
                        double contrastThreshold)
```
    Initialize a new instance of the BernsenThreshold class.
    
    Parameters:
    
    radius - Radius
    
    contrastThreshold - Contrast Threshold.
- Method Detail
  - getRadius
```
public int getRadius()
```
    Get radius.
    
    Returns:
    
    Radius.
  - setRadius
```
public void setRadius(int radius)
```
    Set radius.
    
    Parameters:
    
    radius - Radius.
  - getContrastThreshold
```
public double getContrastThreshold()
```
    Get Contrast threshold.
    
    Returns:
    
    Contrast threshold.
  - setContrastThreshold
```
public void setContrastThreshold(double c)
```
    Set Contrast threshold.
    
    Parameters:
    
    c - Contrast threshold.
  - applyInPlace
```
public void applyInPlace(FastBitmap fastBitmap)
```
    Description copied from interface: IApplyInPlace
    
    Apply filter to an image.
    
    Specified by:
    
    applyInPlace in interface IApplyInPlace
    
    Parameters:
    
    fastBitmap - Image to be processed.

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