public PeakPattern(Mat inImage, double highThresh = 180.0)
{
ImageHeight = inImage.Height;
ImageWidth = inImage.Width;
highThreshold = highThresh;
//Should text a smaller bounding box than the peak finding threshold.
textRect = ProcessingTools.findTextEdge <Bgr, double>(inImage, new double[] { highThreshold, highThreshold, highThreshold });
//resultList[0] = new BitArray(ImageWidth);
Mat croppedImage = new Mat(inImage, textRect);
//resultList.Add(ProcessingTools.testLine<Bgr, double>(inImage, new double[] { highThreshold, highThreshold, highThreshold },
// textRect.Top + textRect.Height / 4));
//Console.WriteLine(textRect.Top + textRect.Height / 2);
//resultList.Add(ProcessingTools.testLine<Bgr, double>(inImage, new double[] { highThreshold, highThreshold, highThreshold },
// textRect.Top + textRect.Height / 2));
//resultList.Add(ProcessingTools.testLine<Bgr, double>(inImage, new double[] { highThreshold, highThreshold, highThreshold },
// (int)(textRect.Top + textRect.Height * 0.75)));
resultList.Add(ProcessingTools.testLine <Bgr, double>(croppedImage, new double[] { highThreshold, highThreshold, highThreshold },
textRect.Height / 4));
// Console.WriteLine(textRect.Top + textRect.Height / 2);
resultList.Add(ProcessingTools.testLine <Bgr, double>(croppedImage, new double[] { highThreshold, highThreshold, highThreshold },
textRect.Height / 2));
resultList.Add(ProcessingTools.testLine <Bgr, double>(croppedImage, new double[] { highThreshold, highThreshold, highThreshold },
(int)(textRect.Height * 0.75)));
//Console.WriteLine("Disc using lines {0}, {1}, {2}",
// textRect.Height / 4,
// textRect.Height / 2,
// (int)(textRect.Height * 0.75));
}
public float ProbabilityMatch(Mat inImage, double tightThresh)
{
System.Drawing.Rectangle ImageTextRect = ProcessingTools.findTextEdge <Bgr, double>(inImage, new double[] { tightThresh, tightThresh, tightThresh });
float ImageRelativeWidth = ImageTextRect.Width / (float)inImage.Width;
float ImageRelativeHeight = ImageTextRect.Height / (float)inImage.Height;
float pixelStdError = inImage.Width * FractionalWidthUncertainty; //Should be evaluated more systematically based on the gradient i guess.
float StdDeviations = (ImageRelativeHeight - RelativeWidth) / pixelStdError;
return((float)Meta.Numerics.Functions.AdvancedMath.Erfc(Math.Abs(StdDeviations) / denominator));
}
public TextSize(Mat inImage, double looseThresh = looseThreshold, double tightThresh = tightThreshold)
{
textRect = ProcessingTools.findTextEdge <Bgr, double>(inImage, new double[] { tightThresh, tightThresh, tightThresh });
ImageWidth = inImage.Width;
RelativeWidth = (float)textRect.Width / (float)ImageWidth;
ImageHeight = inImage.Height;
RelativeHeight = (float)textRect.Height / (float)ImageHeight;
//Use looser rectangle to find the uncertainty.
System.Drawing.Rectangle looseRect = ProcessingTools.findTextEdge <Bgr, double>(inImage, new double[] { looseThresh, looseThresh, looseThresh });
FractionalWidthUncertainty = (looseRect.Width - textRect.Width) / (float)looseRect.Width;
FractionalHeightUncertainty = (looseRect.Height - textRect.Height) / (float)looseRect.Height;
}
public float ProbabilityMatch(Mat inImage)
{
List <BitArray> inFileResults = new List <BitArray>(3);
var tempRect = ProcessingTools.findTextEdge <Bgr, double>(inImage, new double[] { highThreshold, highThreshold, highThreshold });
//tempRect.Height = textRect.Height;
//tempRect.Width = textRect.Width;
//inFileResults.Add(ProcessingTools.testLine<Bgr, double>(inImage, new double[] { highThreshold, highThreshold, highThreshold },
// textRect.Top + textRect.Height / 4));
//inFileResults.Add(ProcessingTools.testLine<Bgr, double>(inImage, new double[] { highThreshold, highThreshold, highThreshold },
// textRect.Top + textRect.Height / 2));
//inFileResults.Add(ProcessingTools.testLine<Bgr, double>(inImage, new double[] { highThreshold, highThreshold, highThreshold },
// (int)(textRect.Top + textRect.Height * 0.75)));
//CvInvoke.Rectangle(inImage, tempRect, new Bgr(0, 0, 255).MCvScalar);
//ImageViewer.Show(inImage, "inPlaceTest");
Mat croppedImage = new Mat(inImage, tempRect);
inFileResults.Add(ProcessingTools.testLine <Bgr, double>(croppedImage, new double[] { highThreshold, highThreshold, highThreshold },
tempRect.Height / 4));
inFileResults.Add(ProcessingTools.testLine <Bgr, double>(croppedImage, new double[] { highThreshold, highThreshold, highThreshold },
tempRect.Height / 2));
inFileResults.Add(ProcessingTools.testLine <Bgr, double>(croppedImage, new double[] { highThreshold, highThreshold, highThreshold },
(int)(tempRect.Height * 0.75)));
//Console.WriteLine("Disc using lines {0}, {1}, {2}",
// textRect.Height / 4,
// textRect.Height / 2,
// (int)(textRect.Height * 0.75));
float[] DotProduct = new float[] { 0, 0, 0 };
for (int iRow = 0; iRow < 3; iRow++)
{
float MagIn = 0;
float MagRes = 0;
for (int pixel = 0; pixel < resultList[0].Length; pixel++)
{
if (inFileResults[iRow].Length > pixel)
{
DotProduct[iRow] += Convert.ToInt32(inFileResults[iRow][pixel]) * Convert.ToInt32(resultList[iRow][pixel]);
if (inFileResults[iRow][pixel])
{
MagIn++;
}
if (resultList[iRow][pixel])
{
MagRes++;
}
}
else
{
break;
}
}
if (MagIn == 0 || MagRes == 0)
{
continue;
}
double temp = Math.Sqrt(Convert.ToDouble(MagIn)) * Math.Sqrt(Convert.ToDouble(MagRes));
DotProduct[iRow] /= (float)temp;
}
//Return an average of the three cosines.
return((DotProduct[0] + DotProduct[1] + DotProduct[2]) / 3.0f);
}
