Catalano.Imaging.Tools

Class ImageStatistics

java.lang.Object

Catalano.Imaging.Tools.ImageStatistics

public class ImageStatistics
extends java.lang.Object

Gather statistics about image in Gray or RGB color space.

Constructor Summary

Constructors

Constructor and Description
ImageStatistics(FastBitmap fastBitmap) Initialize a new instance of the ImageStatistics class.
ImageStatistics(FastBitmap fastBitmap, int bins) Initialize a new instance of the ImageStatistics class.

Method Summary

Modifier and Type	Method and Description
ImageHistogram	getHistogramBlue() Image histogram of blue channel.
ImageHistogram	getHistogramGray() Image histogram of gray channel.
ImageHistogram	getHistogramGreen() Image histogram of green channel.
ImageHistogram	getHistogramRed() Image histogram of red channel.
static int	Maximum(FastBitmap fastBitmap) Get maximum gray value in the image.
static int	Maximum(FastBitmap fastBitmap, int startX, int startY, int width, int height) Get maximum gray value in the image.
static float	Mean(FastBitmap fastBitmap) Calculate Mean value.
static float	Mean(FastBitmap fastBitmap, int startX, int startY, int width, int height) Calculate Mean value.
static int	Minimum(FastBitmap fastBitmap) Get minimum gray value in the image.
static int	Minimum(FastBitmap fastBitmap, int startX, int startY, int width, int height) Get minimum gray value in the image.
int	PixelsCount() Count pixels.
static float	Variance(FastBitmap fastBitmap) Calculate Variance.
static float	Variance(FastBitmap fastBitmap, float mean) Calculate Variance.
static float	Variance(FastBitmap fastBitmap, float mean, int startX, int startY, int width, int height) Calculate Variance.

Methods inherited from class java.lang.Object

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

Constructor Detail

ImageStatistics

public ImageStatistics(FastBitmap fastBitmap)

Initialize a new instance of the ImageStatistics class.

Parameters:

fastBitmap - Image to be processed.

ImageStatistics

public ImageStatistics(FastBitmap fastBitmap,
                       int bins)

Initialize a new instance of the ImageStatistics class.

Parameters:

fastBitmap - Image to be processed.

bins - Number of bins.

Method Detail

getHistogramGray

public ImageHistogram getHistogramGray()

Image histogram of gray channel.

Returns:

Histogram.

getHistogramRed

public ImageHistogram getHistogramRed()

Image histogram of red channel.

Returns:

Histogram.

getHistogramGreen

public ImageHistogram getHistogramGreen()

Image histogram of green channel.

Returns:

Histogram.

getHistogramBlue

public ImageHistogram getHistogramBlue()

Image histogram of blue channel.

Returns:

Histogram.

PixelsCount

public int PixelsCount()

Count pixels.

Returns:

amount of pixels.

Mean

public static float Mean(FastBitmap fastBitmap)

Calculate Mean value.

Parameters:

fastBitmap - Image to be processed.

Returns:

Mean.

Mean

public static float Mean(FastBitmap fastBitmap,
                         int startX,
                         int startY,
                         int width,
                         int height)

Calculate Mean value.

Parameters:

fastBitmap - Image to be processed.

startX - Initial X axis coordinate.

startY - Initial Y axis coordinate.

width - Width.

height - Height.

Returns:

Mean.

Variance

public static float Variance(FastBitmap fastBitmap)

Calculate Variance.

Parameters:

fastBitmap - Image to be processed.

Returns:

Variance.

Variance

public static float Variance(FastBitmap fastBitmap,
                             float mean)

Calculate Variance.

Parameters:

fastBitmap - Image to be processed.

mean - Mean.

Returns:

Variance.

Variance

public static float Variance(FastBitmap fastBitmap,
                             float mean,
                             int startX,
                             int startY,
                             int width,
                             int height)

Calculate Variance.

Parameters:

fastBitmap - Image to be processed.

mean - Mean.

startX - Initial X axis coordinate.

startY - Initial Y axis coordinate.

width - Width.

height - Height.

Returns:

Variance.

Maximum

public static int Maximum(FastBitmap fastBitmap)

Get maximum gray value in the image.

Parameters:

fastBitmap - Image to be processed.

Returns:

Maximum gray.

Maximum

public static int Maximum(FastBitmap fastBitmap,
                          int startX,
                          int startY,
                          int width,
                          int height)

Get maximum gray value in the image.

Parameters:

fastBitmap - Image to be processed.

startX - Initial X axis coordinate.

startY - Initial Y axis coordinate.

width - Width.

height - Height.

Returns:

Maximum gray.

Minimum

public static int Minimum(FastBitmap fastBitmap)

Get minimum gray value in the image.

Parameters:

fastBitmap - Image to be processed.

Returns:

minimum gray.

Minimum

public static int Minimum(FastBitmap fastBitmap,
                          int startX,
                          int startY,
                          int width,
                          int height)

Get minimum gray value in the image.

Parameters:

fastBitmap - Image to be processed.

startX - Initial X axis coordinate.

startY - Initial Y axis coordinate.

width - Width.

height - Height.

Returns:

Minimum gray.