| public static HoughCircles ( InputArray image, HoughMethods method, double dp, double minDist, double param1 = 100, double param2 = 100, int minRadius, int maxRadius ) : CircleSegment[] | ||
| image | InputArray | The 8-bit, single-channel, grayscale input image |
| method | HoughMethods | Currently, the only implemented method is HoughCirclesMethod.Gradient |
| dp | double | The inverse ratio of the accumulator resolution to the image resolution. |
| minDist | double | Minimum distance between the centers of the detected circles. |
| param1 | double | The first method-specific parameter. [By default this is 100] |
| param2 | double | The second method-specific parameter. [By default this is 100] |
| minRadius | int | Minimum circle radius. [By default this is 0] |
| maxRadius | int | Maximum circle radius. [By default this is 0] |
| return | CircleSegment[] | |
public static CircleSegment[] HoughCircles(
InputArray image, HoughMethods method, double dp, double minDist,
double param1 = 100, double param2 = 100, int minRadius = 0, int maxRadius = 0)
{
if (image == null)
throw new ArgumentNullException(nameof(image));
image.ThrowIfDisposed();
using (var vec = new VectorOfVec3f())
{
NativeMethods.imgproc_HoughCircles(image.CvPtr, vec.CvPtr, (int)method, dp, minDist, param1, param2, minRadius, maxRadius);
GC.KeepAlive(image);
return vec.ToArray<CircleSegment>();
}
}
#endregion