/// <summary> /// Computes an image descriptor using the set visual vocabulary. /// </summary> /// <param name="image">Image, for which the descriptor is computed</param> /// <param name="keypoints">Key points detected in the input image.</param> /// <param name="imgDescriptors">The output image descriptors.</param> public void Compute(IInputArray image, VectorOfKeyPoint keypoints, Mat imgDescriptors) { using (InputArray iaImage = image.GetInputArray()) Features2DInvoke.cveBOWImgDescriptorExtractorCompute(_ptr, iaImage, keypoints, imgDescriptors); }