private float Correct(double value, ref KalmanFilter filter)
{
if (filter == null)
{
filter = factory.Create();
}
var corrected = new float[2, 1];
var measurement = new Matrix<float>(1, 1)
{
[0, 0] = (float) value
};
public static Rgb PostProcessPixel(System.Drawing.Point centralPixel, Mat data, double[, ,] edgeMat)
{
System.Drawing.Point[] neighbours = GetNeighbours(centralPixel);
if (neighbours != null)
{
var centralRgb = GetRgb(centralPixel, data);
var rgb1 = GetRgb(neighbours[0], data);
var rgb2 = GetRgb(neighbours[1], data);
var rgb3 = GetRgb(neighbours[2], data);
var rgb4 = GetRgb(neighbours[3], data);
var rgb5 = GetRgb(neighbours[4], data);
var rgb6 = GetRgb(neighbours[5], data);
var rgb7 = GetRgb(neighbours[6], data);
var rgb8 = GetRgb(neighbours[7], data);
var d0 = Math.Abs(rgb4.Red - rgb5.Red) + Math.Abs(rgb4.Green - rgb5.Green) + Math.Abs(rgb4.Blue - rgb5.Blue);
var d45 = Math.Abs(rgb6.Red - rgb3.Red) + Math.Abs(rgb6.Green - rgb3.Green) + Math.Abs(rgb6.Blue - rgb3.Blue);
var d90 = Math.Abs(rgb7.Red - rgb2.Red) + Math.Abs(rgb7.Green - rgb2.Green) + Math.Abs(rgb7.Blue - rgb2.Blue);
var d135 = Math.Abs(rgb8.Red - rgb1.Red) + Math.Abs(rgb8.Green - rgb1.Green) + Math.Abs(rgb8.Blue - rgb1.Blue);
var dList = new[] { d0, d45, d90, d135 };
var maxD = dList.Max();
System.Drawing.Point point = new System.Drawing.Point();
if (maxD == d0)
{
var distance1 = ColorDistance(rgb4, centralRgb);
var distance2 = ColorDistance(rgb5, centralRgb);
if (distance1 < distance2)
{
point = neighbours[3];
}
else
{
point = neighbours[4];
}
}
else if (maxD == d45)
{
var distance1 = ColorDistance(rgb6, centralRgb);
var distance2 = ColorDistance(rgb3, centralRgb);
if (distance1 < distance2)
{
point = neighbours[5];
}
else
{
point = neighbours[2];
}
}
else if (maxD == d90)
{
var distance1 = ColorDistance(rgb7, centralRgb);
var distance2 = ColorDistance(rgb2, centralRgb);
if (distance1 < distance2)
{
point = neighbours[6];
}
else
{
point = neighbours[1];
}
}
else if (maxD == d135)
{
var distance1 = ColorDistance(rgb8, centralRgb);
var distance2 = ColorDistance(rgb1, centralRgb);
if (distance1 < distance2)
{
point = neighbours[7];
}
else
{
point = neighbours[0];
}
}
var edgeVal = edgeMat[point.Y, point.X, 0];
var centerEdgeVal = edgeMat[centralPixel.Y, centralPixel.X, 0];
if (centerEdgeVal > edgeVal)
{
return GetRgb(point, data);
}
}
return GetRgb(centralPixel, data);
}
