/*
* public static void TestDrawLine(IntPtr img, int startX, int startY, int endX, int endY, MCvScalar color)
* {
* TestDrawLine(img, startX, startY, endX, endY, color.v0, color.v1, color.v2, color.v3);
* }
*
* [DllImport(CvInvoke.EXTERN_LIBRARY, CallingConvention = CvInvoke.CvCallingConvention, EntryPoint="testDrawLine")]
* private static extern void TestDrawLine(IntPtr img, int startX, int startY, int endX, int endY, double v0, double v1, double v2, double v3);
*/
/// <summary>
/// Implements the chamfer matching algorithm on images taking into account both distance from
/// the template pixels to the nearest pixels and orientation alignment between template and image
/// contours.
/// </summary>
/// <param name="img">The edge image where search is performed</param>
/// <param name="templ">The template (an edge image)</param>
/// <param name="contours">The output contours</param>
/// <param name="cost">The cost associated with the matching</param>
/// <param name="templScale">The template scale, use 1 for default</param>
/// <param name="maxMatches">The maximum number of matches, use 20 for default</param>
/// <param name="minMatchDistance">The minimum match distance. use 1.0 for default</param>
/// <param name="padX">PadX, use 3 for default</param>
/// <param name="padY">PadY, use 3 for default</param>
/// <param name="scales">Scales, use 5 for default</param>
/// <param name="minScale">Minimum scale, use 0.6 for default</param>
/// <param name="maxScale">Maximum scale, use 1.6 for default</param>
/// <param name="orientationWeight">Orientation weight, use 0.5 for default</param>
/// <param name="truncate">Truncate, use 20 for default</param>
/// <returns>The number of matches</returns>
public static int cvChamferMatching(Image <Gray, Byte> img, Image <Gray, Byte> templ,
out Point[][] contours, out float[] cost,
double templScale, int maxMatches,
double minMatchDistance, int padX,
int padY, int scales, double minScale, double maxScale,
double orientationWeight, double truncate)
{
using (Emgu.CV.Util.VectorOfVectorOfPoint vecOfVecOfPoint = new Util.VectorOfVectorOfPoint())
using (Emgu.CV.Util.VectorOfFloat vecOfFloat = new Util.VectorOfFloat())
{
int count = _cvChamferMatching(img, templ, vecOfVecOfPoint, vecOfFloat, templScale, maxMatches, minMatchDistance, padX, padY, scales, minScale, maxScale, orientationWeight, truncate);
contours = vecOfVecOfPoint.ToArray();
cost = vecOfFloat.ToArray();
return(count);
}
}
/*
public static void TestDrawLine(IntPtr img, int startX, int startY, int endX, int endY, MCvScalar color)
{
TestDrawLine(img, startX, startY, endX, endY, color.v0, color.v1, color.v2, color.v3);
}
[DllImport(CvInvoke.EXTERN_LIBRARY, CallingConvention = CvInvoke.CvCallingConvention, EntryPoint="testDrawLine")]
private static extern void TestDrawLine(IntPtr img, int startX, int startY, int endX, int endY, double v0, double v1, double v2, double v3);
*/
/// <summary>
/// Implements the chamfer matching algorithm on images taking into account both distance from
/// the template pixels to the nearest pixels and orientation alignment between template and image
/// contours.
/// </summary>
/// <param name="img">The edge image where search is performed</param>
/// <param name="templ">The template (an edge image)</param>
/// <param name="contours">The output contours</param>
/// <param name="cost">The cost associated with the matching</param>
/// <param name="templScale">The template scale, use 1 for default</param>
/// <param name="maxMatches">The maximum number of matches, use 20 for default</param>
/// <param name="minMatchDistance">The minimum match distance. use 1.0 for default</param>
/// <param name="padX">PadX, use 3 for default</param>
/// <param name="padY">PadY, use 3 for default</param>
/// <param name="scales">Scales, use 5 for default</param>
/// <param name="minScale">Minimum scale, use 0.6 for default</param>
/// <param name="maxScale">Maximum scale, use 1.6 for default</param>
/// <param name="orientationWeight">Orientation weight, use 0.5 for default</param>
/// <param name="truncate">Truncate, use 20 for default</param>
/// <returns>The number of matches</returns>
public static int cvChamferMatching(Image<Gray, Byte> img, Image<Gray, Byte> templ,
out Point[][] contours, out float[] cost,
double templScale, int maxMatches,
double minMatchDistance, int padX,
int padY, int scales, double minScale, double maxScale,
double orientationWeight, double truncate)
{
using (Emgu.CV.Util.VectorOfVectorOfPoint vecOfVecOfPoint = new Util.VectorOfVectorOfPoint())
using (Emgu.CV.Util.VectorOfFloat vecOfFloat = new Util.VectorOfFloat())
{
int count = _cvChamferMatching(img, templ, vecOfVecOfPoint, vecOfFloat, templScale, maxMatches, minMatchDistance, padX, padY, scales, minScale, maxScale, orientationWeight, truncate);
contours = vecOfVecOfPoint.ToArray();
cost = vecOfFloat.ToArray();
return count;
}
}
