/// <summary>
/// matches two contours using one of the available algorithms
/// </summary>
/// <param name="contour1"></param>
/// <param name="contour2"></param>
/// <param name="method"></param>
/// <param name="parameter"></param>
/// <returns></returns>
public static double MatchShapes(InputArray contour1, InputArray contour2, MatchShapesMethod method, double parameter = 0)
{
if (contour1 == null)
throw new ArgumentNullException("contour1");
if (contour2 == null)
throw new ArgumentNullException("contour2");
return NativeMethods.imgproc_matchShapes_InputArray(contour1.CvPtr, contour2.CvPtr, (int)method, parameter);
}
/// <summary>
/// matches two contours using one of the available algorithms
/// </summary>
/// <param name="contour1"></param>
/// <param name="contour2"></param>
/// <param name="method"></param>
/// <param name="parameter"></param>
/// <returns></returns>
public static double MatchShapes(IEnumerable<Point> contour1, IEnumerable<Point> contour2,
MatchShapesMethod method, double parameter = 0)
{
if (contour1 == null)
throw new ArgumentNullException("contour1");
if (contour2 == null)
throw new ArgumentNullException("contour2");
Point[] contour1Array = EnumerableEx.ToArray(contour1);
Point[] contour2Array = EnumerableEx.ToArray(contour2);
return NativeMethods.imgproc_matchShapes_Point(contour1Array, contour1Array.Length,
contour2Array, contour2Array.Length, (int)method, parameter);
}
/// <summary>
/// Huモーメントによる形状比較を行う
/// </summary>
/// <param name="sourceImage"></param>
/// <param name="templateImagePath"></param>
/// <returns>比較結果（0.0で完全一致）</returns>
private static double CompareShapeMoment(IplImage sourceImage, String templateImagePath, MatchShapesMethod matchShapesMethod = MatchShapesMethod.I1)
{
double result = 1;
using (IplImage template = Cv.LoadImage(templateImagePath, LoadMode.GrayScale))
{
result = Cv.MatchShapes(sourceImage, template, matchShapesMethod);
}
return result;
}