OpenCvSharp.BOWImgDescriptorExtractor.Compute2 C# (CSharp) Method

        public void Compute2(Mat image, out KeyPoint[] keypoints, Mat imgDescriptor)
        {
            if (IsDisposed)
                throw new ObjectDisposedException(GetType().Name);
            if (image == null)
                throw new ArgumentNullException(nameof(image));
            if (imgDescriptor == null)
                throw new ArgumentNullException(nameof(imgDescriptor));

            using (var keypointsVec = new VectorOfKeyPoint())
            {
                NativeMethods.features2d_BOWImgDescriptorExtractor_compute2(
                    ptr, image.CvPtr, keypointsVec.CvPtr, imgDescriptor.CvPtr);
                keypoints = keypointsVec.ToArray();
            }
            GC.KeepAlive(image);
            GC.KeepAlive(imgDescriptor);
        }