/// <param name="small">Small image that will be searched</param>
/// <param name="big">Big image that small image will be searched in</param>
/// <param name="returnCenter">middle of small bmp</param>
public static MatchPoint Find(Mat small, Mat big, bool returnCenter = true)
{
MatchPoint result;
using (Mat mresult = Match(small, big))
{
Cv2.MinMaxLoc(mresult, out var minVal, out var maxVal, out var minLoc, out var maxLoc);
//For SquareDifference and SquareDifferenceNormed, the best matches are lower values.
//For all the other methods, the higher the better
var matchVal = MatchingMethod == TemplateMatchModes.SqDiff ||
MatchingMethod == TemplateMatchModes.SqDiffNormed
? minVal
: maxVal;
var matchLoc = MatchingMethod == TemplateMatchModes.SqDiff ||
MatchingMethod == TemplateMatchModes.SqDiffNormed
? minLoc
: maxLoc;
if (returnCenter)
{
matchLoc.X += small.Width / 2;
matchLoc.Y += small.Height / 2;
}
result = new MatchPoint(matchLoc, matchVal);
}
return(result);
}
public static MatchPoint Find(Bitmap small, Bitmap big, bool returnCenter = true)
{
MatchPoint result;
using (Mat sm = BitmapToMat(small))
using (Mat bm = BitmapToMat(big))
using (Mat Mresult = Match(sm, bm))
{
double minVal, maxVal, MatchVal;
OpenCV.Net.Point minLoc, maxLoc, MatchLoc;
CV.MinMaxLoc(Mresult, out minVal, out maxVal, out minLoc, out maxLoc);
//For SquareDifference and SquareDifferenceNormed, the best matches are lower values.
//For all the other methods, the higher the better
MatchVal = (MatchingMethod == Methods.SquareDifference || MatchingMethod == Methods.SquareDifferenceNormed) ? minVal : maxVal;
MatchLoc = (MatchingMethod == Methods.SquareDifference || MatchingMethod == Methods.SquareDifferenceNormed) ? minLoc : maxLoc;
if (returnCenter)
{
MatchLoc.X += small.Width / 2;
MatchLoc.Y += small.Height / 2;
}
result = new MatchPoint(MatchLoc, MatchVal);
}
return result;
}
public static MatchPoint Find(Bitmap small, Bitmap big, bool returnCenter = true)
{
MatchPoint result;
using (Mat sm = BitmapToMat(small))
using (Mat bm = BitmapToMat(big))
using (Mat Mresult = Match(sm, bm))
{
double minVal, maxVal, MatchVal;
OpenCV.Net.Point minLoc, maxLoc, MatchLoc;
CV.MinMaxLoc(Mresult, out minVal, out maxVal, out minLoc, out maxLoc);
//For SquareDifference and SquareDifferenceNormed, the best matches are lower values.
//For all the other methods, the higher the better
MatchVal = (MatchingMethod == Methods.SquareDifference || MatchingMethod == Methods.SquareDifferenceNormed) ? minVal : maxVal;
MatchLoc = (MatchingMethod == Methods.SquareDifference || MatchingMethod == Methods.SquareDifferenceNormed) ? minLoc : maxLoc;
if (returnCenter)
{
MatchLoc.X += small.Width / 2;
MatchLoc.Y += small.Height / 2;
}
result = new MatchPoint(MatchLoc, MatchVal);
}
return(result);
}
