java.lang.Object
- com.jhlabs.image.Histogram

public class Histogram
extends java.lang.Object

An image histogram.

Field Summary

Fields
Modifier and Type	Field	Description
`static int`	`BLUE`
`static int`	`GRAY`
`static int`	`GREEN`
`protected int[][]`	`histogram`
`protected boolean`	`isGray`
`protected int[]`	`maxFrequency`
`protected int[]`	`maxValue`
`protected float[]`	`mean`
`protected int[]`	`minFrequency`
`protected int[]`	`minValue`
`protected int`	`numSamples`
`static int`	`RED`

Constructor Summary

Constructors
Constructor Description

Histogram()

Histogram(int[] pixels, int w, int h, int offset, int stride)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`int`	`getFrequency(int value)`
`int`	`getFrequency(int channel, int value)`
`int`	`getMaxFrequency()`
`int`	`getMaxFrequency(int channel)`
`int`	`getMaxValue()`
`int`	`getMaxValue(int channel)`
`float`	`getMeanValue()`
`float`	`getMeanValue(int channel)`
`int`	`getMinFrequency()`
`int`	`getMinFrequency(int channel)`
`int`	`getMinValue()`
`int`	`getMinValue(int channel)`
`int`	`getNumSamples()`
`boolean`	`isGray()`

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

Field Detail

RED
```
public static final int RED
```
See Also:

Constant Field Values

GREEN
```
public static final int GREEN
```
See Also:

Constant Field Values

BLUE
```
public static final int BLUE
```
See Also:

Constant Field Values

GRAY
```
public static final int GRAY
```
See Also:

Constant Field Values

histogram
```
protected int[][] histogram
```

numSamples
```
protected int numSamples
```

minValue
```
protected int[] minValue
```

maxValue
```
protected int[] maxValue
```

minFrequency
```
protected int[] minFrequency
```

maxFrequency
```
protected int[] maxFrequency
```

mean
```
protected float[] mean
```

isGray
```
protected boolean isGray
```

Constructor Detail

Histogram
```
public Histogram()
```

Histogram

public Histogram(int[] pixels,
                 int w,
                 int h,
                 int offset,
                 int stride)

Method Detail

isGray
```
public boolean isGray()
```

getNumSamples
```
public int getNumSamples()
```

getFrequency

public int getFrequency(int value)

getFrequency

public int getFrequency(int channel,
                        int value)

getMinFrequency
```
public int getMinFrequency()
```

getMinFrequency

public int getMinFrequency(int channel)

getMaxFrequency
```
public int getMaxFrequency()
```

getMaxFrequency

public int getMaxFrequency(int channel)

getMinValue
```
public int getMinValue()
```

getMinValue

public int getMinValue(int channel)

getMaxValue
```
public int getMaxValue()
```

getMaxValue

public int getMaxValue(int channel)

getMeanValue
```
public float getMeanValue()
```

getMeanValue

public float getMeanValue(int channel)

Constructor	Description
`Histogram()`
`Histogram(int[] pixels, int w, int h, int offset, int stride)`

Class Histogram

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

RED

GREEN

BLUE

GRAY

histogram

numSamples

minValue

maxValue

minFrequency

maxFrequency

mean

isGray

Constructor Detail

Histogram

Histogram

Method Detail

isGray

getNumSamples

getFrequency

getFrequency

getMinFrequency

getMinFrequency

getMaxFrequency

getMaxFrequency

getMinValue

getMinValue

getMaxValue

getMaxValue

getMeanValue

getMeanValue