public static void PreCornerDetect( InputArray src, OutputArray dst, int ksize, BorderTypes borderType = BorderTypes.Default) { if (src == null) throw new ArgumentNullException(nameof(src)); if (dst == null) throw new ArgumentNullException(nameof(dst)); src.ThrowIfDisposed(); dst.ThrowIfNotReady(); NativeMethods.imgproc_preCornerDetect(src.CvPtr, dst.CvPtr, ksize, (int)borderType); GC.KeepAlive(src); dst.Fix(); } #endregion