jigl.image
Class ColorHistogram

java.lang.Object
  |
  +--jigl.image.ColorHistogram

public class ColorHistogram

extends Object

A Color Histogram is a 3-Dimensional array that contains the count for a ColorImage.

Field Summary

protected int	m_bbits The number of precision bits used for blue color
private int	m_bsize The range for blue color
protected int[][][]	m_data Store the data of histogram
protected int	m_gbits The number of precision bits used for green color
private int	m_gsize The range for green color
protected int	m_rbits The number of precision bits used for red color
private int	m_rsize The range for red color

Constructor Summary

ColorHistogram(ColorImage image)
Default constructor.

ColorHistogram(ColorImage image, int rbits, int gbits, int bbits)
Constructor.

Method Summary

int	count(int r, int g, int b) Returns the count of the colorHistogram at r g b
float[]	mean() Returns the mean of the entire ColorHistogram as an int[].

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

m_data

protected int[][][] m_data

Store the data of histogram

m_rbits

protected int m_rbits

The number of precision bits used for red color

m_gbits

protected int m_gbits

The number of precision bits used for green color

m_bbits

protected int m_bbits

The number of precision bits used for blue color

m_rsize

private int m_rsize

The range for red color

m_gsize

private int m_gsize

The range for green color

m_bsize

private int m_bsize

The range for blue color

Constructor Detail

ColorHistogram

public ColorHistogram(ColorImage image)

Default constructor. 5 bits of precision are used for each dimension. (32X32X32 array)

ColorHistogram

public ColorHistogram(ColorImage image,
                      int rbits,
                      int gbits,
                      int bbits)

Constructor. Array is (2^rbits)X(2^gbits)X(2^bbits) in size. Only values from 1 to 8 are valid.

Method Detail

count

public int count(int r,
                 int g,
                 int b)

Returns the count of the colorHistogram at r g b

mean

public float[] mean()

Returns the mean of the entire ColorHistogram as an int[].