/// <summary> /// Detect the features in the image /// </summary> /// <param name="keypoints">The result vector of keypoints</param> /// <param name="image">The image from which the features will be detected from</param> /// <param name="mask">The optional mask.</param> public void DetectRaw(IInputArray image, VectorOfKeyPoint keypoints, IInputArray mask = null) { using (InputArray iaImage = image.GetInputArray()) using (InputArray iaMask = mask == null ? InputArray.GetEmpty() : mask.GetInputArray()) Features2DInvoke.CvFeature2DDetect(_feature2D, iaImage, keypoints.Ptr, iaMask); }