private void display_MouseUp(object sender, MouseButtonEventArgs e)
{
isPressed = false;
rectangle.Width = 0;
rectangle.Height = 0;
float x = (float)((float)startDisplay.X < endDisplay.X ? startDisplay.X : endDisplay.X) / (float)display.ActualWidth;
float y = (float)((float)startDisplay.Y < endDisplay.Y ? startDisplay.Y : endDisplay.Y) / (float)display.ActualHeight;
float width = ((float)Math.Abs(startDisplay.X - endDisplay.X)) / (float)display.ActualWidth;
float height = ((float)Math.Abs(startDisplay.Y - endDisplay.Y)) / (float)display.ActualHeight;
model = MatchUtil.GetModel(firstFrame, x, y, width, height);
int iX = (int)Math.Floor(x * firstFrame.Width);
int iY = (int)Math.Floor(y * firstFrame.Height);
int iWidth = (int)Math.Ceiling(width * firstFrame.Width);
int iHeight = (int)Math.Ceiling(height * firstFrame.Height);
var rec = new System.Drawing.Rectangle(iX, iY, iWidth, iHeight);
var im = firstFrame.ToImage <Bgr, byte>();
im.ROI = rec;
display.Source = ToBitmapSource(firstFrame);
colorObj = Tracking.GetColorObject(firstFrame, new System.Drawing.Rectangle(iX, iY, iWidth, iHeight));
}
public static ColorObject GetColorObject(Mat image, Rectangle rect)
{
var obj = new ColorObject();
obj.X = rect.X + rect.Width / 2;
obj.Y = rect.Y + rect.Height / 2;
var hsvMax = new List <Hsv>();
var hsvMin = new List <Hsv>();
var hsvMean = new List <Hsv>();
var hsvCount = new List <int>();
var hsvImage = image.ToImage <Hsv, byte>();
for (var i = rect.Left; i < rect.Right; i++)
{
for (var j = rect.Top; j < rect.Bottom; j++)
{
var color = hsvImage[j, i];
var found = false;
for (var n = 0; n < hsvMean.Count; n++)
{
var mean = hsvMean[n];
double diff = 0;
diff = diff + 2 * (color.Hue - mean.Hue) * (color.Hue - mean.Hue);
diff = diff + (color.Satuation - mean.Satuation) * (color.Satuation - mean.Satuation);
diff = diff + (color.Value - mean.Value) * (color.Value - mean.Value);
if (diff <= HsvThreshold)
{
var max = hsvMax[n];
max.Hue = max.Hue >= color.Hue ? max.Hue : color.Hue;
max.Satuation = max.Satuation >= color.Satuation ? max.Satuation : color.Satuation;
max.Value = max.Value >= color.Value ? max.Value : color.Value;
hsvMax[n] = max;
var min = hsvMin[n];
min.Hue = min.Hue <= color.Hue ? min.Hue : color.Hue;
min.Satuation = min.Satuation <= color.Satuation ? min.Satuation : color.Satuation;
min.Value = min.Value <= color.Value ? min.Value : color.Value;
hsvMin[n] = min;
var count = hsvCount[n];
mean.Hue = (mean.Hue * count + color.Hue) / (count + 1);
mean.Satuation = (mean.Satuation * count + color.Satuation) / (count + 1);
mean.Value = (mean.Value * count + color.Value) / (count + 1);
hsvMean[n] = mean;
hsvCount[n]++;
found = true;
break;
}
}
if (!found)
{
hsvMax.Add(color);
hsvMin.Add(color);
hsvMean.Add(color);
hsvCount.Add(1);
}
}
}
int index = 0;
int total = 0;
for (var n = 0; n < hsvCount.Count; n++)
{
if (total < hsvCount[n])
{
index = n;
total = hsvCount[n];
}
}
if (index < hsvCount.Count)
{
obj.MinHsv = hsvMin[index];
obj.MaxHsv = hsvMax[index];
}
return(obj);
}
public static Image <Gray, byte> Color(Mat prevImage, Mat curImage, ColorObject obj)
{
var image = curImage.ToImage <Hsv, byte>().InRange(obj.MinHsv, obj.MaxHsv);
return(Blur(image));
}
