/// <summary>
/// 灰度直方图
/// </summary>
/// <param name="bmp"></param>
/// <returns></returns>
public static double[] Histogram(Bitmap bmp)
{
int width, height;
int[][] mat;
ImageConvert.Bitmap2Mat(bmp, out mat, out width, out height);
double[] hist = GrayScaleImageLib.Histogram(mat);
return(hist);
}
/// <summary>
/// foamliu, 2009/02/03, 累积灰度直方图.
///
/// </summary>
/// <param name="bmp"></param>
/// <returns></returns>
public static double[] CumulativeHistogram(int[][] mat)
{
double[] hist = GrayScaleImageLib.Histogram(mat);
double[] cumu = new double[256];
double sum = 0.0;
for (int i = 0; i < 256; i++)
{
sum += hist[i];
cumu[i] = sum;
}
return(cumu);
}
