Пример #1
0
        private void button2_Click(object sender, EventArgs e)
        {
            int[,] FFTNormalized = new int[256, 256];
            ImgFFT.MultMass(Out1, Out2);
            double max = Math.Log(ImgFFT.RealOUT[0, 0] * ImgFFT.RealOUT[0, 0] + ImgFFT.ImagOUT[0, 0] * ImgFFT.ImagOUT[0, 0]);

            for (int i = 0; i <= 255; i++)
            {
                for (int j = 0; j <= 255; j++)
                {
                    if (Math.Log(ImgFFT.RealOUT[i, j] * ImgFFT.RealOUT[i, j] + ImgFFT.ImagOUT[i, j] * ImgFFT.ImagOUT[i, j]) > max)     //Math.Log
                    {
                        max = Math.Log(ImgFFT.RealOUT[i, j] * ImgFFT.RealOUT[i, j] + ImgFFT.ImagOUT[i, j] * ImgFFT.ImagOUT[i, j]);
                    }
                }
            }
            for (int i = 0; i <= 255; i++)
            {
                for (int j = 0; j <= 255; j++)
                {
                    /*   FFTLog[i, j] = FFTLog[i, j] / max;
                     * }
                     * for (i = 0; i <= Width - 1; i++)
                     * for (j = 0; j <= Height - 1; j++)
                     * {*/
                    FFTNormalized[i, j] = (int)(255 * Math.Log(ImgFFT.RealOUT[i, j] * ImgFFT.RealOUT[i, j] + ImgFFT.ImagOUT[i, j] * ImgFFT.ImagOUT[i, j]) / max);
                }
            }
            //Transferring Image to Fourier Plot
            //  FourierPlot = Displayimage(FFTNormalized);
            Dehologram.Image = (Image)ImgFFT.Displayimage(FFTNormalized);



            //   ImgFFT.MultMass(Out1, Out2);
            for (int i = 0; i < 255; i++)
            {
                for (int j = 0; j < 255; j++)
                {
                    OpZ[i, j] = /*Math.Sqrt */ (ImgFFT.RealOUT[i, j] * ImgFFT.RealOUT[i, j] + ImgFFT.ImagOUT[i, j] * ImgFFT.ImagOUT[i, j]);
                }
            }

            //   Dehologram.Image = (Image)ImgFFT.Displayimage(OpZ);
            for (int i = 0; i < 255; i++)
            {
                for (int j = 0; j < 255; j++)
                {
                    FourierO[i, j].real = ImgFFT.RealOUT[i, j];
                    FourierO[i, j].imag = ImgFFT.ImagOUT[i, j];
                    // pt[i, j] = (int) Out1[i, j].real;
                    //  mt[i, j] = (int) Out1[i, j].imag;
                    //  ptwithKey[i, j] = (int)Out2[i, j].real;
                    //  mtwithKey[i, j] = (int)Out2[i, j].imag;
                }
            }



            // ImgFFT.FFTPlot(FourierO);
            //ImgFFT.InverseFFT();

            //ImgFFT = new FFT(mt);

            /*  ImgFFT.ForwardFFT();
             * ImgFFT.FFTShift();
             *
             * ImgFFT.FFTmult(ImgFFT.FFTShifted);*/

            //Dehologram.Image = (Image)ImgFFT.Displayimage(ImgFFT.MagniturePlot1);
            //  furiebox2.Image = (Image)ImgFFT.Displayimage(pt);
            //  kMag.Image = (Image)ImgFFT.Displayimage(mt);
        }
Пример #2
0
        /// <summary>
        /// Finding Forward FFT of Selected Bitmap
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void button1_Click(object sender, EventArgs e)
        {
            //1. Create FFT Object
            ImgFFT = new FFT(bmp);

            ImgFFT.ForwardFFT();        // Finding 2D FFT of Image
            ImgFFT.FFTShift();
            for (int i = 0; i < 255; i++)
            {
                for (int j = 0; j < 255; j++)
                {
                    Out1[i, j] = ImgFFT.FFTShifted[i, j];
                    // OutReal[i, j] = (int)ImgFFT.FFTShifted[i, j].real;
                    // OutImag[i, j] = (int)ImgFFT.FFTShifted[i, j].imag;
                }
            }

            ImgFFT.FFTPlot(ImgFFT.FFTShifted);

            //ImgFFT.InverseFFT();
            for (int i = 0; i < 255; i++)
            {
                for (int j = 0; j < 255; j++)
                {
                    M1[i, j] = ImgFFT.PhasePlot1[i, j];
                    P1[i, j] = ImgFFT.MagniturePlot1[i, j];
                }
            }
            furiebox1.Image = (Image)ImgFFT.Displayimage(P1);
            //   Dehologram.Image = (Image)ImgFFT.Obj;
            // Dehologram.Image = (Image)ImgFFT.Displayimage(OutReal);

            //furiebox1.Image = (Image)ImgFFT.Displayimage(OutImag);



            ImgFFT = new FFT(bmp1);
            ImgFFT.ForwardFFT();// Finding 2D FFT of Image
            ImgFFT.FFTShift();
            for (int i = 0; i < 255; i++)
            {
                for (int j = 0; j < 255; j++)
                {
                    Out2[i, j] = ImgFFT.FFTShifted[i, j];
                }
            }

            ImgFFT.FFTPlot(ImgFFT.FFTShifted);



            for (int i = 0; i < 255; i++)
            {
                for (int j = 0; j < 255; j++)
                {
                    M2[i, j] = ImgFFT.PhasePlot1[i, j];
                    P2[i, j] = ImgFFT.MagniturePlot1[i, j];
                }
            }
            furiebox2.Image = (Image)ImgFFT.Displayimage(P2);



            ImgFFT = new FFT(bmp3);

            ImgFFT.ForwardFFT();// Finding 2D FFT of Image
            ImgFFT.FFTShift();
            for (int i = 0; i < 255; i++)
            {
                for (int j = 0; j < 255; j++)
                {
                    Out3[i, j] = ImgFFT.FFTShifted[i, j];
                }
            }


            ImgFFT.FFTPlot(ImgFFT.FFTShifted);


            for (int i = 0; i < 255; i++)
            {
                for (int j = 0; j < 255; j++)
                {
                    keyP[i, j] = ImgFFT.PhasePlot1[i, j];

                    keyM[i, j] = ImgFFT.MagniturePlot1[i, j];
                }
            }



            kMag.Image = (Image)ImgFFT.Displayimage(keyM);
        }