/// <summary> /// Compute the descriptors on the image from the given keypoint locations. /// </summary> /// <param name="image">The image to compute descriptors from</param> /// <param name="keyPoints">The keypoints where the descriptor computation is perfromed</param> /// <param name="descriptors">The descriptors from the given keypoints</param> public void Compute(IInputArray image, VectorOfKeyPoint keyPoints, IOutputArray descriptors) { using (InputArray iaImage = image.GetInputArray()) using (OutputArray oaDescriptors = descriptors.GetOutputArray()) Features2DInvoke.CvFeature2DCompute(_feature2D, iaImage, keyPoints.Ptr, oaDescriptors); }