public static void Log(InputArray src, OutputArray dst) { if (src == null) throw new ArgumentNullException(nameof(src)); if (dst == null) throw new ArgumentNullException(nameof(dst)); src.ThrowIfDisposed(); dst.ThrowIfNotReady(); NativeMethods.core_log_Mat(src.CvPtr, dst.CvPtr); GC.KeepAlive(src); dst.Fix(); }