| public Detect ( InputArray image, OpenCvSharp.Mat mask = null ) : KeyPoint[] | ||
| image | InputArray | The image. |
| mask | OpenCvSharp.Mat | Mask specifying where to look for keypoints (optional). /// Must be a char matrix with non-zero values in the region of interest. |
| return | KeyPoint[] | |
public KeyPoint[] Detect(InputArray image, Mat mask = null)
{
if (image == null)
throw new ArgumentNullException(nameof(image));
if (disposed)
throw new ObjectDisposedException(GetType().Name);
image.ThrowIfDisposed();
try
{
using (var keypoints = new VectorOfKeyPoint())
{
NativeMethods.features2d_Feature2D_detect_InputArray(ptr, image.CvPtr, keypoints.CvPtr,
Cv2.ToPtr(mask));
return keypoints.ToArray();
}
}
finally
{
GC.KeepAlive(image);
GC.KeepAlive(mask);
}
}