private static void DrawDefects(IplImage img, CvSeq<CvConvexityDefect> defect)
{
int count = 0;
foreach (CvConvexityDefect item in defect)
{
CvPoint p1 = item.Start, p2 = item.End;
double dist = GetDistance(p1, p2);
CvPoint2D64f mid = GetMidpoint(p1, p2);
img.DrawLine(p1, p2, CvColor.White, 3);
img.DrawCircle(item.DepthPoint, 10, CvColor.Green, -1);
img.DrawLine(mid, item.DepthPoint, CvColor.White, 1);
Console.WriteLine("No:{0} Depth:{1} Dist:{2}", count, item.Depth, dist);
count++;
}
}