Exemple #1
0
        /* Частные производные */
        private void button1_Click(object sender, EventArgs e)
        {
            int k = 1;

            double[,] maskX = new double[, ]
            {
                { 1, 0, -1 },
                { 2, 0, -2 },
                { 1, 0, -1 }
            };
            double[,] maskY = new double[, ]
            {
                { 1, 2, 1 },
                { 0, 0, 0 },
                { -1, -2, -1 }
            };

            DerivativeX    = F.Svertka(GrayImg.GrayMatrix, IWidth, IHeight, maskX, k, 1);
            DerivativeXImg = new Img(DerivativeX, IWidth, IHeight);
            DerivativeXImg.Draw(pictureBox3);
            DerivativeXImg.Save(BasePath + "Lab 1/DerivativeX.png");

            DerivativeY    = F.Svertka(GrayImg.GrayMatrix, IWidth, IHeight, maskY, k, 1);
            DerivativeYImg = new Img(DerivativeY, IWidth, IHeight);
            DerivativeYImg.Draw(pictureBox4);
            DerivativeYImg.Save(BasePath + "Lab 1/DerivativeY.png");

            button2.Enabled = true;
        }
Exemple #2
0
        /* Собель */
        private void button2_Click(object sender, EventArgs e)
        {
            GrayImg.Draw(pictureBox6);

            Sobel = new double[IHeight, IWidth];
            double dx = 0.0;
            double dy = 0.0;

            for (int y = 0; y < IHeight; y++)
            {
                for (int x = 0; x < IWidth; x++)
                {
                    dx          = Math.Pow(DerivativeX[y, x], 2);
                    dy          = Math.Pow(DerivativeY[y, x], 2);
                    Sobel[y, x] = Math.Sqrt(dx + dy);
                }
            }

            SobelImg = new Img(Sobel, IWidth, IHeight);
            SobelImg.Draw(pictureBox5);
            SobelImg.Save(BasePath + "Lab 1/Sobel.png");
        }
Exemple #3
0
        public Form1()
        {
            InitializeComponent();
            /* Очищаем предыдущие результаты */
            F.ClearDir(BasePath + "Result");
            F.ClearDir(BasePath + "Lab 1");
            F.ClearDir(BasePath + "Lab 2");
            F.ClearDir(BasePath + "Lab 2/Core");
            F.ClearDir(BasePath + "Lab 3");
            F.ClearDir(BasePath + "Lab 4");
            F.ClearDir(BasePath + "Lab 5");
            F.ClearDir(BasePath + "Lab 6");
            /*-------------------------------*/

            BeginImg = new Img(BasePath + "Begin/BeginImage1.png");
            GrayImg  = new Img(BeginImg.GrayMatrix, BeginImg.Width, BeginImg.Height);
            GrayImg.Save(BasePath + "Result/GrayImage.png");

            IWidth  = BeginImg.Width;
            IHeight = BeginImg.Height;

            BeginImg.Draw(pictureBox1);
            GrayImg.Draw(pictureBox2);
        }
Exemple #4
0
        /* Пирамида */
        private void button3_Click(object sender, EventArgs e)
        {
            bool mTr = true;

            if (textBox1.Text == "" || textBox2.Text == "")
            {
                mTr = false;
                MessageBox.Show("Введите данные", "Ошибка!", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
            if (mTr)
            {
                F.ClearDir(BasePath + "Lab 2");
                F.ClearDir(BasePath + "Lab 2/Core");

                double sigma0 = Convert.ToDouble(textBox1.Text);  // Сигма 0
                int    S      = Convert.ToInt32(textBox2.Text);   // Число масштабов в октаве
                double k      = Math.Pow(2.0, (1.0 / (double)S)); // Интервал между масштабами

                int minr = Math.Min(IWidth, IHeight);
                int O    = 0;                              // Число октав
                while (minr > 32)
                {
                    minr /= 2;
                    O++;
                }

                Img TekImg = new Img(GrayImg.GrayMatrix, IWidth, IHeight);
                TekImg.Save(BasePath + "Lab 2/000.png");
                double sigmaD   = sigma0;                      // Действительная сигма
                double sigmaTEK = sigma0;
                double qq       = 1;

                GaussCore GaussMatrix = new GaussCore(sigma0);
                Img       GaussImg    = new Img(GaussMatrix.Matrix, GaussMatrix.Size, GaussMatrix.Size);
                TekImg.SvertkaWithNormalize(GaussMatrix.Matrix, GaussMatrix.Radius, 1);
                TekImg.Save(BasePath + "Lab 2/" + "00"
                            + " - S1=" + Convert.ToString(Math.Round(sigma0, 2)) + " - Sd=" + Convert.ToString(Math.Round(sigma0, 2)) + ".png");
                GaussImg.Save(BasePath + "Lab 2/Core/" + "00" + ".png");

                for (int o = 0; o < O; o++)
                {
                    for (int s = 1; s <= S; s++)
                    {
                        double sigma1 = sigma0 * Math.Pow(k, (s - 1));
                        double sigma2 = sigma0 * Math.Pow(k, s);
                        sigmaTEK = Math.Sqrt(sigma2 * sigma2 - sigma1 * sigma1);// Текущая сигма
                        sigmaD   = sigma0 * Math.Pow(k, qq);
                        qq++;
                        GaussMatrix = new GaussCore(sigmaTEK);
                        GaussImg    = new Img(GaussMatrix.Matrix, GaussMatrix.Size, GaussMatrix.Size);
                        TekImg.SvertkaWithNormalize(GaussMatrix.Matrix, GaussMatrix.Radius, 1);
                        TekImg.Save(BasePath + "Lab 2/" + Convert.ToString(o) + Convert.ToString(s)
                                    + " - S1=" + Convert.ToString(Math.Round(sigma2, 2)) + " - Sd=" + Convert.ToString(Math.Round(sigmaD, 2)) + ".png");
                        GaussImg.Save(BasePath + "Lab 2/Core/" + Convert.ToString(o) + Convert.ToString(s) + ".png");
                    }
                    TekImg.Downsample();
                    TekImg.Save(BasePath + "Lab 2/" + Convert.ToString(o + 1) + "0"
                                + " - S1=" + Convert.ToString(Math.Round(sigma0, 2)) + " - Sd=" + Convert.ToString(Math.Round(sigmaD, 2)) + ".png");
                }
            }
        }