static void Main()
{
Emgu.CV.CvEnum.TemplateMatchingType matchingType = Emgu.CV.CvEnum.TemplateMatchingType.CcoeffNormed;
Image <Gray, Single> templateImage = new Image <Gray, Single>(@"C:\Users\shabir\source\repos\cvtest\cvtest\data\Template.png");
Image <Gray, Single> changedImage = new Image <Gray, Single>(@"C:\Users\shabir\source\repos\cvtest\cvtest\data\Changed.png");
Image <Gray, Single> defaultImage = new Image <Gray, Single>(@"C:\Users\shabir\source\repos\cvtest\cvtest\data\Default.png");
Image <Gray, Single> imageToShow = changedImage.Copy();
using (Image <Gray, Single> result = changedImage.MatchTemplate(templateImage, matchingType))
{
double[] minValues, maxValues;
Point[] minLocations, maxLocations;
result.MinMax(out minValues, out maxValues, out minLocations, out maxLocations);
if (maxValues[0] > 0.999)
{
Console.WriteLine("Changed image True");
}
else
{
Console.WriteLine("Changed image False");
}
}
using (Image <Gray, Single> result = defaultImage.MatchTemplate(templateImage, matchingType))
{
double[] minValues, maxValues;
Point[] minLocations, maxLocations;
result.MinMax(out minValues, out maxValues, out minLocations, out maxLocations);
if (maxValues[0] > 0.999)
{
Console.WriteLine("Unchanged image True");
}
else
{
Console.WriteLine("Unchanged image False");
}
}
}
static public List <TempleteMatchingBestOrder> DoTempleteMatching(Emgu.CV.Image <Emgu.CV.Structure.Bgr, byte> f_Source,
Emgu.CV.Image <Emgu.CV.Structure.Bgr, byte> f_Templete,
Emgu.CV.CvEnum.TemplateMatchingType f_TempleteMatchingType = Emgu.CV.CvEnum.TemplateMatchingType.CcoeffNormed,
float f_Threadhold = 0.9F,
int f_GetNumberOfBest = 10,
bool f_IsUsePyramid = false,
int f_PyramidLevel = 1)
{
List <TempleteMatchingBestOrder> t_SortScore = new List <TempleteMatchingBestOrder>();
t_SortScore.Clear();
Emgu.CV.Image <Emgu.CV.Structure.Gray, float> t_Result;
if (f_IsUsePyramid == false)
{
t_Result = f_Source.Convert <Emgu.CV.Structure.Gray, byte>().MatchTemplate(f_Templete.Convert <Emgu.CV.Structure.Gray, byte>(), f_TempleteMatchingType);
double[] t_MinValues, t_maxValues;
Point[] t_MinLocations, t_MaxLocations;
t_Result.MinMax(out t_MinValues, out t_maxValues, out t_MinLocations, out t_MaxLocations);
TempleteMatchingBestOrder t_Temp;
for (int i = 0; i < t_Result.Rows; i++)
{
for (int j = 0; j < t_Result.Cols; j++)
{
float t_Value = t_Result.Data[i, j, 0];
if (t_Value >= f_Threadhold)
{
t_Temp.s_Location = new Point(j, i);
t_Temp.s_Score = t_Value;
t_SortScore.Add(t_Temp);
}
}
}
}
else
{
Emgu.CV.Image <Emgu.CV.Structure.Gray, byte>[] t_PyramidSource = new Emgu.CV.Image <Emgu.CV.Structure.Gray, byte> [f_PyramidLevel];
Emgu.CV.Image <Emgu.CV.Structure.Gray, byte>[] t_PyramidTemplete = new Emgu.CV.Image <Emgu.CV.Structure.Gray, byte> [f_PyramidLevel];
t_PyramidSource[0] = f_Source.Convert <Emgu.CV.Structure.Gray, byte>().Clone();
t_PyramidTemplete[0] = f_Templete.Convert <Emgu.CV.Structure.Gray, byte>().Clone();
int[] t_Level = new int[f_PyramidLevel];
t_Level[0] = 1;
for (int i = 1; i < f_PyramidLevel; i++)
{
t_Level[i] = t_Level[i - 1] * 2;
t_PyramidSource[i] = t_PyramidSource[i - 1].PyrDown().Clone();
t_PyramidTemplete[i] = t_PyramidTemplete[i - 1].PyrDown().Clone();
}
for (int i = f_PyramidLevel - 1; i >= 0; i--)
{
for (int j = f_PyramidLevel - 1; j >= 0; j--)
{
if (t_PyramidTemplete[j].Width > t_PyramidSource[i].Width || t_PyramidTemplete[j].Height > t_PyramidSource[i].Height)
{
continue;
}
t_Result = t_PyramidSource[i].MatchTemplate(t_PyramidTemplete[j], f_TempleteMatchingType);
double[] t_MinValues, t_maxValues;
Point[] t_MinLocations, t_MaxLocations;
t_Result.MinMax(out t_MinValues, out t_maxValues, out t_MinLocations, out t_MaxLocations);
if ((float)(t_maxValues[0]) <= f_Threadhold)
{
continue;
}
TempleteMatchingBestOrder t_Temp;
for (int x = 0; x < t_Result.Rows; x++)
{
for (int y = 0; y < t_Result.Cols; y++)
{
float t_Value = t_Result.Data[x, y, 0];
if (t_Value >= f_Threadhold)
{
t_Temp.s_Location = new Point(y * t_Level[i], x * t_Level[i]);
t_Temp.s_Score = t_Value;
t_SortScore.Add(t_Temp);
}
}
}
}
}
}
if (t_SortScore.Count > f_GetNumberOfBest)
{
return(t_SortScore.OrderByDescending(o => o.s_Score).ToList().GetRange(0, f_GetNumberOfBest));
}
else
{
return(t_SortScore.OrderByDescending(o => o.s_Score).ToList().GetRange(0, t_SortScore.Count));
}
}
