/// <summary>
/// Analyze the scanline Scanline around point XCenter
/// </summary>
public void Analyze()
{
if (!XCenter.HasValue && !ScanLine.HasValue)
{
throw new Exception();
}
int x = (int)XCenter;
int y = (int)ScanLine;
double start = Image[x, y];
double meanMax = 0.0;
var stats = new RunningStatistics(5);
stats.Add(Image[x, y]);
stats.Add(Image[x - 1, y]);
int dx = x - 1;
double stdDev;
double mean;
do
{
stats.Add(Image[--dx, y]);
stdDev = Math.Sqrt(stats.Variance);
mean = stats.Mean;
if (mean > meanMax)
{
meanMax = mean;
}
} while (Math.Abs(mean - LeftBackground) > 3 * LeftBackgroundDeviation);
LeftBackgroundPosition = dx + 1;
LeftBackground = mean;
LeftBackgroundDeviation = stdDev;
stats.Clear(5);
stats.Add(Image[x, y]);
stats.Add(Image[x - 1, y]);
dx = x + 1;
do
{
stats.Add(Image[++dx, y]);
stdDev = Math.Sqrt(stats.Variance);
mean = stats.Mean;
if (mean > meanMax)
{
meanMax = mean;
}
} while (Math.Abs(mean - RightBackground) > 3 * RightBackgroundDeviation);
RightBackgroundPosition = dx - 1;
RightBackground = mean;
RightBackgroundDeviation = stdDev;
IsBackgroundLine = (Math.Abs(meanMax - LeftBackground) < 3 * LeftBackgroundDeviation) &&
(Math.Abs(meanMax - RightBackground) < 3 * RightBackgroundDeviation);
}
public bool FindBackground()
{
if (!XCenter.HasValue && !ScanLine.HasValue)
{
throw new Exception();
}
int x = (int)XCenter;
int y = (int)ScanLine;
double start = Image[x, y];
var stats = new RunningStatistics(5);
stats.Add(Image[x, y]);
stats.Add(Image[x - 1, y]);
int dx = x - 1;
double stdDev;
double mean;
double lastVariance;
do
{
lastVariance = stats.Variance;
stats.Add(Image[--dx, y]);
stdDev = Math.Sqrt(stats.Variance);
mean = stats.Mean;
} while (stats.Variance < lastVariance || Math.Abs(mean - start) < 3 * stdDev);
LeftBackgroundPosition = dx + 1;
LeftBackground = mean;
LeftBackgroundDeviation = stdDev;
stats.Clear(5);
stats.Add(Image[x, y]);
stats.Add(Image[x - 1, y]);
dx = x + 1;
do
{
lastVariance = stats.Variance;
stats.Add(Image[++dx, y]);
stdDev = Math.Sqrt(stats.Variance);
mean = stats.Mean;
} while (stats.Variance < lastVariance || Math.Abs(mean - start) < 3 * stdDev);
RightBackgroundPosition = dx - 1;
RightBackground = mean;
RightBackgroundDeviation = stdDev;
IsBackgroundLine = false;
return(true);
}
public bool FindBackground()
{
if (!XCenter.HasValue && !ScanLine.HasValue)
{
throw new Exception();
}
int x = (int)XCenter;
int y = (int)ScanLine;
double start = Image[x, y];
var stats = new RunningStatistics(5);
stats.Add(Image[x, y]);
stats.Add(Image[x - 1, y]);
int dx = x- 1;
double stdDev;
double mean;
double lastVariance;
do
{
lastVariance = stats.Variance;
stats.Add(Image[--dx, y]);
stdDev = Math.Sqrt(stats.Variance);
mean = stats.Mean;
} while (stats.Variance < lastVariance || Math.Abs(mean - start) < 3 * stdDev);
LeftBackgroundPosition = dx + 1;
LeftBackground = mean;
LeftBackgroundDeviation = stdDev;
stats.Clear(5);
stats.Add(Image[x, y]);
stats.Add(Image[x - 1, y]);
dx = x + 1;
do
{
lastVariance = stats.Variance;
stats.Add(Image[++dx, y]);
stdDev = Math.Sqrt(stats.Variance);
mean = stats.Mean;
} while (stats.Variance < lastVariance || Math.Abs(mean - start) < 3 * stdDev);
RightBackgroundPosition = dx - 1;
RightBackground = mean;
RightBackgroundDeviation = stdDev;
IsBackgroundLine = false;
return true;
}
/// <summary>
/// Analyze the scanline Scanline around point XCenter
/// </summary>
public void Analyze()
{
if (!XCenter.HasValue && !ScanLine.HasValue)
{
throw new Exception();
}
int x = (int)XCenter;
int y = (int)ScanLine;
double start = Image[x, y];
double meanMax = 0.0;
var stats = new RunningStatistics(5);
stats.Add(Image[x, y]);
stats.Add(Image[x - 1, y]);
int dx = x - 1;
double stdDev;
double mean;
do
{
stats.Add(Image[--dx, y]);
stdDev = Math.Sqrt(stats.Variance);
mean = stats.Mean;
if (mean > meanMax)
{
meanMax = mean;
}
} while (Math.Abs(mean - LeftBackground) > 3 * LeftBackgroundDeviation);
LeftBackgroundPosition = dx + 1;
LeftBackground = mean;
LeftBackgroundDeviation = stdDev;
stats.Clear(5);
stats.Add(Image[x, y]);
stats.Add(Image[x - 1, y]);
dx = x + 1;
do
{
stats.Add(Image[++dx, y]);
stdDev = Math.Sqrt(stats.Variance);
mean = stats.Mean;
if (mean > meanMax)
{
meanMax = mean;
}
} while (Math.Abs(mean - RightBackground) > 3 * RightBackgroundDeviation);
RightBackgroundPosition = dx - 1;
RightBackground = mean;
RightBackgroundDeviation = stdDev;
IsBackgroundLine = (Math.Abs(meanMax - LeftBackground) < 3 * LeftBackgroundDeviation) &&
(Math.Abs(meanMax - RightBackground) < 3 * RightBackgroundDeviation);
}
