Example #1
0
        /// <summary>
        /// Inverses a matrix.
        /// </summary>
        /// <param name="method"></param>
        /// <returns></returns>
        public MatExpr Inv(DecompTypes method = DecompTypes.LU)
        {
            ThrowIfDisposed();

            NativeMethods.HandleException(
                NativeMethods.core_MatExpr_inv(ptr, (int)method, out var ret));
            GC.KeepAlive(this);
            var retVal = new MatExpr(ret);

            return(retVal);
        }
Example #2
0
 /// <summary>
 ///
 /// </summary>
 /// <param name="method"></param>
 /// <returns></returns>
 public MatExpr Inv(DecompTypes method = DecompTypes.LU)
 {
     ThrowIfDisposed();
     try
     {
         IntPtr  retPtr = NativeMethods.core_MatExpr_inv(ptr, (int)method);
         MatExpr retVal = new MatExpr(retPtr);
         return(retVal);
     }
     catch (BadImageFormatException ex)
     {
         throw PInvokeHelper.CreateException(ex);
     }
 }
Example #3
0
 /// <summary>
 /// solves linear system or a least-square problem
 /// </summary>
 /// <param name="src1"></param>
 /// <param name="src2"></param>
 /// <param name="dst"></param>
 /// <param name="flags"></param>
 /// <returns></returns>
 public static bool Solve(InputArray src1, InputArray src2, OutputArray dst,
     DecompTypes flags = DecompTypes.LU)
 {
     if (src1 == null)
         throw new ArgumentNullException("src1");
     if (src2 == null)
         throw new ArgumentNullException("src2");
     if (dst == null)
         throw new ArgumentNullException("dst");
     src1.ThrowIfDisposed();
     src2.ThrowIfDisposed();
     dst.ThrowIfNotReady();
     int ret = NativeMethods.core_solve(src1.CvPtr, src2.CvPtr, dst.CvPtr, (int)flags);
     GC.KeepAlive(src1);
     GC.KeepAlive(src2); 
     dst.Fix();
     return ret != 0;
 }
Example #4
0
 /// <summary>
 /// computes inverse or pseudo-inverse matrix
 /// </summary>
 /// <param name="src">The source floating-point MxN matrix</param>
 /// <param name="dst">The destination matrix; will have NxM size and the same type as src</param>
 /// <param name="flags">The inversion method</param>
 /// <returns></returns>
 public static double Invert(InputArray src, OutputArray dst,
     DecompTypes flags = DecompTypes.LU)
 {
     if (src == null)
         throw new ArgumentNullException("src");
     if (dst == null)
         throw new ArgumentNullException("dst");
     src.ThrowIfDisposed();
     dst.ThrowIfNotReady();
     double ret = NativeMethods.core_invert(src.CvPtr, dst.CvPtr, (int)flags);
     GC.KeepAlive(src);
     dst.Fix();
     return ret;
 }
Example #5
0
 /// <summary>
 /// 
 /// </summary>
 /// <param name="method"></param>
 /// <returns></returns>
 public MatExpr Inv(DecompTypes method = DecompTypes.LU)
 {
     ThrowIfDisposed();
     try
     {
         IntPtr retPtr = NativeMethods.core_MatExpr_inv(ptr, (int)method);
         MatExpr retVal = new MatExpr(retPtr);
         return retVal;
     }
     catch (BadImageFormatException ex)
     {
         throw PInvokeHelper.CreateException(ex);
     }
 }