Example #1
0
        private Bitmap OverlayImage(Bitmap bmp, Bitmap overlay, int overlay_width)
        {
            usage.Update("Overlay image, SurveyorVisionStereoGtk, OverlayImage");
            Bitmap result = (Bitmap)bmp.Clone();

            byte[] image_data = new byte[result.Width * result.Height * 3];
            BitmapArrayConversions.updatebitmap(result, image_data);

            byte[] overlay_data = new byte[overlay.Width * overlay.Height * 3];
            BitmapArrayConversions.updatebitmap(overlay, overlay_data);

            int overlay_height = overlay.Height * overlay_width / overlay.Width;

            for (int y = 0; y < overlay_height; y++)
            {
                int yy = y * overlay.Height / overlay_height;
                for (int x = 0; x < overlay_width; x++)
                {
                    int xx = x * overlay.Width / overlay_width;
                    int n1 = ((yy * overlay.Width) + xx) * 3;
                    int n2 = ((y * result.Width) + x) * 3;
                    for (int col = 0; col < 3; col++)
                    {
                        image_data[n2 + col] = overlay_data[n1 + col];
                    }
                }
            }

            BitmapArrayConversions.updatebitmap_unsafe(image_data, result);
            return(result);
        }
Example #2
0
        /// <summary>
        /// retrieves a set of stereo images for the given time step
        /// filenames should be in the format "camera_0_left_2.jpg" where
        /// the first number is the index of the stereo camera and the second
        /// number is the time step upon which the image was taken
        /// </summary>
        /// <param name="time_step"></param>
        /// <returns></returns>
        private ArrayList getStereoImages(int time_step)
        {
            ArrayList images = new ArrayList();

            // get the file names for the left and right images for this time step
            String[] left_file  = Directory.GetFiles(sim.ImagesPath, "*left_" + Convert.ToString(time_step + 1) + ".jpg");
            String[] right_file = Directory.GetFiles(sim.ImagesPath, "*right_" + Convert.ToString(time_step + 1) + ".jpg");
            for (int i = 0; i < left_file.Length; i++)
            {
                // load the images as bitmap objects
                Bitmap left_image  = new Bitmap(left_file[i]);
                Bitmap right_image = new Bitmap(right_file[i]);

                // extract the raw byte arrays
                Byte[] left_bmp  = BitmapArrayConversions.updatebitmap_unsafe(left_image);
                Byte[] right_bmp = BitmapArrayConversions.updatebitmap_unsafe(right_image);

                // put the byte arrays into the list of results
                images.Add(left_bmp);
                images.Add(right_bmp);

                // show the current images
                // this is a good way of checking that updatebitmap returned a valid byte array
                picLeftImage.Image  = new Bitmap(left_image.Width, left_image.Height, System.Drawing.Imaging.PixelFormat.Format24bppRgb);
                picRightImage.Image = new Bitmap(right_image.Width, right_image.Height, System.Drawing.Imaging.PixelFormat.Format24bppRgb);
                BitmapArrayConversions.updatebitmap_unsafe(left_bmp, (Bitmap)(picLeftImage.Image));
                BitmapArrayConversions.updatebitmap_unsafe(right_bmp, (Bitmap)(picRightImage.Image));
            }

            return(images);
        }
Example #3
0
        private void loadBackgroundImage(String filename)
        {
            if (File.Exists(filename))
            {
                Bitmap background = new Bitmap(filename);
                Byte[] back_bmp   = new Byte[background.Width * background.Height * 3];
                BitmapArrayConversions.updatebitmapslow(background, back_bmp);
                background_bmp = new Byte[global_variables.standard_width * global_variables.standard_height * 3];

                int n = 0;
                for (int y = 0; y < global_variables.standard_height; y++)
                {
                    int yy = y * background.Height / global_variables.standard_height;
                    for (int x = 0; x < global_variables.standard_width; x++)
                    {
                        int xx = x * background.Width / global_variables.standard_width;
                        int n2 = ((yy * background.Width) + xx) * 3;
                        for (int c = 0; c < 3; c++)
                        {
                            background_bmp[n] = back_bmp[n2 + c];
                            n++;
                        }
                    }
                }
            }
        }
Example #4
0
        /// <summary>
        /// display the path segments within the list view
        /// </summary>
        private void showPathSegments()
        {
            // add items to the list
            lstPathSegments.Items.Clear();
            for (int i = 0; i < sim.pathSegments.Count; i++)
            {
                simulationPathSegment segment = (simulationPathSegment)sim.pathSegments[i];

                ListViewItem result = new ListViewItem(new string[]
                                                       { Convert.ToString(segment.x),
                                                         Convert.ToString(segment.y),
                                                         Convert.ToString(segment.pan * 180.0f / (float)Math.PI),
                                                         Convert.ToString(segment.no_of_steps),
                                                         Convert.ToString(segment.distance_per_step_mm),
                                                         Convert.ToString(segment.pan_per_step * 180.0f / (float)Math.PI) });
                lstPathSegments.Items.Add(result);
            }

            // create an image to display the path
            picPath.Image = new Bitmap(sim.results_image_width, sim.results_image_height,
                                       System.Drawing.Imaging.PixelFormat.Format24bppRgb);
            Byte[] path_img = new Byte[sim.results_image_width * sim.results_image_height * 3];
            sim.ShowPath(path_img, sim.results_image_width, sim.results_image_height);
            BitmapArrayConversions.updatebitmap_unsafe(path_img, (Bitmap)(picPath.Image));
        }
Example #5
0
        public static void ShowGaborFilter(string filename, int image_width, int image_height,
                                           double a, double b, double frequency,
                                           double phase_degrees, double orientation_degrees)
        {
            Bitmap bmp = new Bitmap(image_width, image_height, System.Drawing.Imaging.PixelFormat.Format24bppRgb);

            byte[] img = new byte[image_width * image_height * 3];
            ShowGaborFilter(img, image_width, image_height,
                            0, 0, image_width - 1, image_height - 1,
                            a, b, frequency, phase_degrees, orientation_degrees);
            BitmapArrayConversions.updatebitmap_unsafe(img, bmp);
            if (filename.ToLower().EndsWith("jpg"))
            {
                bmp.Save(filename, System.Drawing.Imaging.ImageFormat.Jpeg);
            }
            if (filename.ToLower().EndsWith("bmp"))
            {
                bmp.Save(filename, System.Drawing.Imaging.ImageFormat.Bmp);
            }
            if (filename.ToLower().EndsWith("png"))
            {
                bmp.Save(filename, System.Drawing.Imaging.ImageFormat.Png);
            }
            if (filename.ToLower().EndsWith("gif"))
            {
                bmp.Save(filename, System.Drawing.Imaging.ImageFormat.Gif);
            }
        }
Example #6
0
        public void ShowLocalisations(
            string image_filename,
            int img_width,
            int img_height)
        {
            byte[] img = new byte[img_width * img_height * 3];
            Bitmap bmp = new Bitmap(img_width, img_height, System.Drawing.Imaging.PixelFormat.Format24bppRgb);

            buffer.ShowPath(img, img_width, img_height, true, true);
            BitmapArrayConversions.updatebitmap_unsafe(img, bmp);

            if (image_filename.ToLower().EndsWith("gif"))
            {
                bmp.Save(image_filename, System.Drawing.Imaging.ImageFormat.Gif);
            }
            if (image_filename.ToLower().EndsWith("png"))
            {
                bmp.Save(image_filename, System.Drawing.Imaging.ImageFormat.Png);
            }
            if (image_filename.ToLower().EndsWith("bmp"))
            {
                bmp.Save(image_filename, System.Drawing.Imaging.ImageFormat.Bmp);
            }
            if (image_filename.ToLower().EndsWith("jpg"))
            {
                bmp.Save(image_filename, System.Drawing.Imaging.ImageFormat.Jpeg);
            }
        }
        public void VacancyFunction()
        {
            float min_probability  = 0;
            float max_probability  = 1;
            int   debug_img_width  = 640;
            int   debug_img_height = 480;

            byte[] debug_img = new byte[debug_img_width * debug_img_height * 3];
            for (int i = 0; i < debug_img.Length; i++)
            {
                debug_img[i] = 255;
            }
            Bitmap bmp = new Bitmap(debug_img_width, debug_img_height, System.Drawing.Imaging.PixelFormat.Format24bppRgb);

            int prev_y = debug_img_height - 1;

            for (int x = 0; x < debug_img_width; x++)
            {
                float prob = occupancygridBase.vacancyFunction(x / (float)debug_img_width, min_probability, max_probability);
                Console.WriteLine(prob.ToString());
                int y = debug_img_height - (int)(prob * (debug_img_height - 1) / max_probability);
                if (x > 0)
                {
                    drawing.drawLine(debug_img, debug_img_width, debug_img_height, x - 1, prev_y, x, y, 0, 0, 0, 0, false);
                }
                prev_y = y;
            }

            BitmapArrayConversions.updatebitmap_unsafe(debug_img, bmp);
            bmp.Save("tests_occupancygrid_simple_VacancyFunction.jpg", System.Drawing.Imaging.ImageFormat.Jpeg);
        }
Example #8
0
        /// <summary>
        /// returns the given image as a byte array
        /// </summary>
        /// <param name="filename"></param>
        /// <param name="image_width"></param>
        /// <param name="image_height"></param>
        /// <returns></returns>
        private static byte[] GetImageData(string filename,
                                           ref int image_width,
                                           ref int image_height)
        {
            byte[] img = null;

            if (filename.ToLower().EndsWith(".pgm"))
            {
                img = image.loadFromPGM(filename, ref image_width, ref image_height, 1);
            }
            else
            {
                Bitmap bmp = (Bitmap)Bitmap.FromFile(filename);
                if (bmp != null)
                {
                    image_width  = bmp.Width;
                    image_height = bmp.Height;
                    img          = new byte[image_width * image_height * 3];

                    // get the as a byte array
                    BitmapArrayConversions.updatebitmap(bmp, img);

                    // convert the image to mono format (1 byte per pixel)
                    img = image.monoImage(img, image_width, image_height);
                }
            }

            return(img);
        }
Example #9
0
    private void SaveImages(
        string left_image_filename,
        string right_image_filename)
    {
        byte[] left  = new byte[image_width * image_height * 3];
        byte[] right = new byte[image_width * image_height * 3];
        GtkBitmap.getBitmap(leftimage, left);
        GtkBitmap.getBitmap(rightimage, right);
        Bitmap left_bmp  = new Bitmap(image_width, image_height, System.Drawing.Imaging.PixelFormat.Format24bppRgb);
        Bitmap right_bmp = new Bitmap(image_width, image_height, System.Drawing.Imaging.PixelFormat.Format24bppRgb);

        BitmapArrayConversions.updatebitmap_unsafe(left, left_bmp);
        BitmapArrayConversions.updatebitmap_unsafe(right, right_bmp);
        if (left_image_filename.ToLower().EndsWith("png"))
        {
            left_bmp.Save(left_image_filename, System.Drawing.Imaging.ImageFormat.Png);
            right_bmp.Save(right_image_filename, System.Drawing.Imaging.ImageFormat.Png);
        }
        if (left_image_filename.ToLower().EndsWith("bmp"))
        {
            left_bmp.Save(left_image_filename, System.Drawing.Imaging.ImageFormat.Bmp);
            right_bmp.Save(right_image_filename, System.Drawing.Imaging.ImageFormat.Bmp);
        }
        if (left_image_filename.ToLower().EndsWith("gif"))
        {
            left_bmp.Save(left_image_filename, System.Drawing.Imaging.ImageFormat.Gif);
            right_bmp.Save(right_image_filename, System.Drawing.Imaging.ImageFormat.Gif);
        }
        if (left_image_filename.ToLower().EndsWith("jpg"))
        {
            left_bmp.Save(left_image_filename, System.Drawing.Imaging.ImageFormat.Jpeg);
            right_bmp.Save(right_image_filename, System.Drawing.Imaging.ImageFormat.Jpeg);
        }
    }
Example #10
0
        public void Show(
            string filename)
        {
            int image_width  = 320;
            int image_height = 240;

            byte[] img = new byte[image_width * image_height * 3];
            Show(image_width, image_height, img);
            Bitmap bmp = new Bitmap(image_width, image_height, System.Drawing.Imaging.PixelFormat.Format24bppRgb);

            BitmapArrayConversions.updatebitmap_unsafe(img, bmp);
            if (filename.EndsWith("bmp"))
            {
                bmp.Save(filename, System.Drawing.Imaging.ImageFormat.Bmp);
            }
            if (filename.EndsWith("png"))
            {
                bmp.Save(filename, System.Drawing.Imaging.ImageFormat.Png);
            }
            if (filename.EndsWith("gif"))
            {
                bmp.Save(filename, System.Drawing.Imaging.ImageFormat.Gif);
            }
            if (filename.EndsWith("jpg"))
            {
                bmp.Save(filename, System.Drawing.Imaging.ImageFormat.Jpeg);
            }
        }
Example #11
0
 private void showPathTree()
 {
     picPathTree.Image = new Bitmap(640, 480,
                                    System.Drawing.Imaging.PixelFormat.Format24bppRgb);
     Byte[] tree_img = new Byte[640 * 480 * 3];
     sim.ShowPathTree(tree_img, 640, 480);
     BitmapArrayConversions.updatebitmap_unsafe(tree_img, (Bitmap)(picPathTree.Image));
 }
/*
 *      private Bitmap OverlayImage(Bitmap bmp, Bitmap overlay, int overlay_width)
 *      {
 *          Bitmap result = (Bitmap)bmp.Clone();
 *          byte[] image_data = new byte[result.Width * result.Height * 3];
 *          BitmapArrayConversions.updatebitmap(result, image_data);
 *
 *          byte[] overlay_data = new byte[overlay.Width * overlay.Height * 3];
 *          BitmapArrayConversions.updatebitmap(overlay, overlay_data);
 *
 *          int overlay_height = overlay.Height * overlay_width / overlay.Width;
 *
 *          for (int y = 0; y < overlay_height; y++)
 *          {
 *              int yy = y * overlay.Height / overlay_height;
 *              for (int x = 0; x < overlay_width; x++)
 *              {
 *                  int xx = x * overlay.Width / overlay_width;
 *                  int n1 = ((yy * overlay.Width) + xx) * 3;
 *                  int n2 = ((y * result.Width) + x) * 3;
 *                  for (int col = 0; col < 3; col++)
 *                      image_data[n2 + col] = overlay_data[n1 + col];
 *              }
 *          }
 *
 *          BitmapArrayConversions.updatebitmap_unsafe(image_data, result);
 *          return (result);
 *      }
 */

        private void DisplayImage(Bitmap img, Bitmap default_image, bool is_left)
        {
            Bitmap disp_image = null;

            switch (display_type)
            {
            case DISPLAY_RAW: { disp_image = default_image; break; }

            case DISPLAY_CALIBRATION_DOTS: { disp_image = edges; break; }

            case DISPLAY_CALIBRATION_GRID: { disp_image = linked_dots; break; }

            case DISPLAY_CALIBRATION_DIFF: { disp_image = grid_diff; break; }

            case DISPLAY_RECTIFIED: { if (is_left)
                                      {
                                          disp_image = rectified[0];
                                      }
                                      else
                                      {
                                          disp_image = rectified[1];
                                      } break; }
            }

            if ((calibration_pattern == null) || (disp_image == null))
            {
                disp_image = default_image;
            }

            if (calibration_pattern == null)
            {
                if (is_left)
                {
                    if (calibration_map[0] != null)
                    {
                        if (stereo_features == null)
                        {
                            disp_image = rectified[0];
                        }
                        else
                        {
                            disp_image = stereo_features;
                        }
                    }
                }
                else
                {
                    if (calibration_map[1] != null)
                    {
                        disp_image = rectified[1];
                    }
                }
            }

            byte[] image_data = new byte[disp_image.Width * disp_image.Height * 3];
            BitmapArrayConversions.updatebitmap(disp_image, image_data);
            BitmapArrayConversions.updatebitmap_unsafe(image_data, img);
        }
Example #13
0
 /// <summary>
 /// updates the given image object from a bitmap object
 /// </summary>
 /// <param name="bmp"></param>
 /// <param name="img"></param>
 public static void setBitmap(Bitmap bmp, Gtk.Image img, ref byte[] bmp_data)
 {
     if (bmp_data == null)
     {
         bmp_data = new byte[bmp.Width * bmp.Height * 3];
     }
     BitmapArrayConversions.updatebitmap(bmp, bmp_data);
     setBitmap(bmp_data, bmp.Width, bmp.Height, img);
 }
Example #14
0
        /// <summary>
        /// displays the occupancy grid
        /// </summary>
        private void showOccupancyGrid()
        {
            occupancygridMultiHypothesis grid = sim.rob.GetBestGrid();

            picGridMap.Image = new Bitmap(grid.dimension_cells, grid.dimension_cells,
                                          System.Drawing.Imaging.PixelFormat.Format24bppRgb);
            Byte[] grid_img = new Byte[grid.dimension_cells * grid.dimension_cells * 3];
            sim.ShowGrid(occupancygridMultiHypothesis.VIEW_ABOVE, grid_img, grid.dimension_cells, grid.dimension_cells, true);
            BitmapArrayConversions.updatebitmap_unsafe(grid_img, (Bitmap)(picGridMap.Image));
        }
Example #15
0
        /// <summary>
        /// show the current best pose
        /// </summary>
        private void showBestPose()
        {
            int dimension_mm = sim.rob.GetBestGrid().dimension_cells;

            picBestPose.Image = new Bitmap(dimension_mm, dimension_mm,
                                           System.Drawing.Imaging.PixelFormat.Format24bppRgb);
            Byte[] best_pose_img = new Byte[dimension_mm * dimension_mm * 3];
            sim.ShowBestPose(best_pose_img, dimension_mm, dimension_mm, true);
            BitmapArrayConversions.updatebitmap_unsafe(best_pose_img, (Bitmap)(picBestPose.Image));
        }
Example #16
0
 /// <summary>
 /// show stereo features or depth map
 /// </summary>
 /// <param name="output">bitmap object into which to insert the image</param>
 public virtual void Show(ref Bitmap output)
 {
     byte[] output_img = new byte[image_width * image_height * 3];
     if (output == null)
     {
         output = new Bitmap(image_width, image_height, System.Drawing.Imaging.PixelFormat.Format24bppRgb);
     }
     Show(img[0], image_width, image_height, output_img);
     BitmapArrayConversions.updatebitmap_unsafe(output_img, output);
 }
Example #17
0
        public void MapUpdate()
        {
            int max_disparity_percent = 40;
            int map_x        = 60;
            int map_y        = 60;
            int cell_size_mm = 100;

            byte[] cartesian_map  = new byte[map_x * map_y * 3];
            int    stereo_matches = 0;

            CartesianMap map = new CartesianMap();

            map.imgWidth         = 320;
            map.imgHeight        = 240;
            map.footline         = new ushort[(int)map.imgWidth / map.SVS_HORIZONTAL_SAMPLING];
            map.footline_dist_mm = new ushort[(int)map.imgWidth / map.SVS_HORIZONTAL_SAMPLING];

            // create a footline
            for (int x = 0; x < (int)map.imgWidth / map.SVS_HORIZONTAL_SAMPLING; x++)
            {
                map.footline[x] = (ushort)(map.imgHeight / 2);
            }

            map.FootlineUpdate(max_disparity_percent);

            /* create a map */
            drawing.drawLine(cartesian_map, map_x, map_y, (map_x / 2) - 2, (map_y / 2) - 6, (map_x / 2) - 2, (map_y / 2) - 29, 255, 0, 0, 0, false);
            drawing.drawLine(cartesian_map, map_x, map_y, (map_x / 2) + 2, (map_y / 2) - 6, (map_x / 2) + 2, (map_y / 2) - 29, 255, 0, 0, 0, false);

            drawing.drawLine(cartesian_map, map_x, map_y, (map_x / 2) - 2, (map_y / 2) - 6, (map_x / 2) - 10, (map_y / 2) - 6, 255, 0, 0, 0, false);
            drawing.drawLine(cartesian_map, map_x, map_y, (map_x / 2) + 2, (map_y / 2) - 6, (map_x / 2) + 10, (map_y / 2) - 6, 255, 0, 0, 0, false);

            Bitmap bmp = new Bitmap(map_x, map_y, System.Drawing.Imaging.PixelFormat.Format24bppRgb);

            BitmapArrayConversions.updatebitmap_unsafe(cartesian_map, bmp);
            bmp.Save("CartesianMapTests_MapUpdate0.bmp", System.Drawing.Imaging.ImageFormat.Bmp);

            /* convert map to stereo view */
            map.SimulateStereoView(
                max_disparity_percent,
                map_x, map_y,
                cell_size_mm,
                cartesian_map,
                ref stereo_matches);

            map.SaveDisparities(
                "CartesianMapTests_MapUpdate1.bmp",
                stereo_matches);

            map.MapUpdate(stereo_matches, 40);
            map.Show("CartesianMapTests_MapUpdate2.bmp");

            Assert.IsTrue(stereo_matches > 0);
        }
Example #18
0
 public static void setBitmap(Bitmap bmp, Gtk.Image img)
 {
     try
     {
         byte[] bmp_data = new byte[bmp.Width * bmp.Height * 3];
         BitmapArrayConversions.updatebitmap(bmp, bmp_data);
         setBitmap(bmp_data, bmp.Width, bmp.Height, img);
     }
     catch
     {
     }
 }
Example #19
0
        /// <summary>
        /// simple function used to test grid creation
        /// </summary>
        /// <param name="filename">filename of the test image to be created</param>
        public static void Test(string filename)
        {
            int image_width  = 640;
            int image_height = 480;
            int dimension_x  = 10;
            int dimension_y  = 10;

            Bitmap bmp = new Bitmap(image_width, image_height, System.Drawing.Imaging.PixelFormat.Format24bppRgb);

            byte[] img = new byte[image_width * image_height * 3];

            polygon2D test_poly;
            grid2D    grid;

            test_poly = new polygon2D();
            test_poly.Add(image_width * 15 / 100, image_height * 20 / 100);
            test_poly.Add(image_width * 40 / 100, image_height * 20 / 100);
            test_poly.Add(image_width * 40 / 100, image_height * 40 / 100);
            test_poly.Add(image_width * 15 / 100, image_height * 40 / 100);
            grid = new grid2D(dimension_x, dimension_y, test_poly, 0, false);
            grid.ShowLines(img, image_width, image_height, 0, 255, 0, 0);

            int half_width = image_width / 2;

            test_poly = new polygon2D();
            test_poly.Add(half_width + (image_width * 20 / 100), image_height * 20 / 100);
            test_poly.Add(half_width + (image_width * 35 / 100), image_height * 20 / 100);
            test_poly.Add(half_width + (image_width * 40 / 100), image_height * 40 / 100);
            test_poly.Add(half_width + (image_width * 15 / 100), image_height * 40 / 100);
            grid = new grid2D(dimension_x, dimension_y, test_poly, 0, false);
            grid.ShowLines(img, image_width, image_height, 0, 255, 0, 0);

            int half_height = image_height / 2;

            test_poly = new polygon2D();
            test_poly.Add(image_width * 15 / 100, half_height + (image_height * 24 / 100));
            test_poly.Add(image_width * 40 / 100, half_height + (image_height * 20 / 100));
            test_poly.Add(image_width * 40 / 100, half_height + (image_height * 40 / 100));
            test_poly.Add(image_width * 15 / 100, half_height + (image_height * 36 / 100));
            grid = new grid2D(dimension_x, dimension_y, test_poly, 0, false);
            grid.ShowLines(img, image_width, image_height, 0, 255, 0, 0);

            test_poly = new polygon2D();
            test_poly.Add(half_width + (image_width * 20 / 100), half_height + (image_height * 24 / 100));
            test_poly.Add(half_width + (image_width * 35 / 100), half_height + (image_height * 20 / 100));
            test_poly.Add(half_width + (image_width * 40 / 100), half_height + (image_height * 40 / 100));
            test_poly.Add(half_width + (image_width * 15 / 100), half_height + (image_height * 36 / 100));
            grid = new grid2D(dimension_x, dimension_y, test_poly, 0, false);
            grid.ShowLines(img, image_width, image_height, 0, 255, 0, 0);

            BitmapArrayConversions.updatebitmap_unsafe(img, bmp);
            bmp.Save(filename);
        }
Example #20
0
        /// <summary>
        /// main update for stereo correspondence
        /// </summary>
        /// <param name="rectified_left">left image bitmap object</param>
        /// <param name="rectified_right">right image bitmap object</param>
        /// <param name="calibration_offset_x">horizontal offset from calibration, correcting for non-parallel alignment of the cameras</param>
        /// <param name="calibration_offset_y">vertical offset from calibration, correcting for non-parallel alignment of the cameras</param>
        public void Update(
            Bitmap rectified_left,
            Bitmap rectified_right,
            float calibration_offset_x,
            float calibration_offset_y)
        {
            image_width  = rectified_left.Width;
            image_height = rectified_left.Height;
            int pixels = image_width * image_height * 3;

            if (img[0] == null)
            {
                for (int i = 0; i < 4; i++)
                {
                    img[i] = new byte[pixels];
                }
            }
            else
            {
                if (img[0].Length != pixels)
                {
                    for (int i = 0; i < 4; i++)
                    {
                        img[i] = new byte[pixels];
                    }
                }
            }

            BitmapArrayConversions.updatebitmap(rectified_left, img[0]);
            BitmapArrayConversions.updatebitmap(rectified_right, img[1]);

            // convert colour images to mono
            monoImage(img[0], image_width, image_height, 1, ref img[2]);
            monoImage(img[1], image_width, image_height, 1, ref img[3]);

            // main stereo correspondence routine
            Update(img[0], img[1],
                   img[2], img[3],
                   rectified_left.Width, rectified_left.Height,
                   calibration_offset_x, calibration_offset_y);

            if (BroadcastStereoFeatureColours)
            {
                // assign a colour to each feature
                UpdateFeatureColours(img[0], img[1]);
            }

            // send stereo features to connected clients
            BroadcastStereoFeatures();
        }
Example #21
0
        public void updateVision(Image input_img, bool leftImage)
        {
            int cameraIndex = 0;

            Byte[] disp_bmp_data = bmp_data_left;
            if (!leftImage)
            {
                cameraIndex   = 1;
                disp_bmp_data = bmp_data_right;
            }

            Byte[] ary;

            try
            {
                if (captureState[cameraIndex] == 1)
                {
                    if (disp_bmp_data == null)
                    {
                        if (leftImage)
                        {
                            bmp_data_left = new Byte[input_img.Width * input_img.Height * 3];
                            disp_bmp_data = bmp_data_left;
                        }
                        else
                        {
                            bmp_data_right = new Byte[input_img.Width * input_img.Height * 3];
                            disp_bmp_data  = bmp_data_right;
                        }
                    }

                    ary = disp_bmp_data;
                    BitmapArrayConversions.updatebitmap((Bitmap)(input_img.Clone()), ary);

                    captureState[cameraIndex] = 2;
                }

                if (leftImage)
                {
                    left_camera_running = true;
                }
                else
                {
                    right_camera_running = true;
                }
            }
            catch
            {
            }
        }
Example #22
0
        public void CreateMoireGrid()
        {
            int    no_of_poses = 200;
            float  sampling_radius_major_mm = 100;
            float  sampling_radius_minor_mm = 100;
            float  pan  = 0;
            float  tilt = 0;
            float  roll = 0;
            float  max_orientation_variance = 5 * (float)Math.PI / 180;
            float  max_tilt_variance        = 0 * (float)Math.PI / 180;
            float  max_roll_variance        = 0 * (float)Math.PI / 180;
            Random rnd = new Random(0);

            List <pos3D> cells = new List <pos3D>();

            int debug_img_width  = 5000;            //640;
            int debug_img_height = 5000;            //480;

            byte[] debug_img       = new byte[debug_img_width * debug_img_height * 3];
            byte[] debug_img_moire = new byte[debug_img_width * debug_img_height * 3];
            Bitmap bmp             = new Bitmap(debug_img_width, debug_img_height, System.Drawing.Imaging.PixelFormat.Format24bppRgb);

            gridCells.CreateMoireGrid(
                sampling_radius_major_mm,
                sampling_radius_minor_mm,
                no_of_poses,
                pan, tilt, roll,
                max_orientation_variance,
                max_tilt_variance,
                max_roll_variance,
                rnd,
                ref cells,
                debug_img,
                debug_img_moire,
                debug_img_width,
                debug_img_height);

            Assert.Greater(cells.Count, no_of_poses * 90 / 100);
            Assert.Less(cells.Count, no_of_poses * 110 / 100);

            BitmapArrayConversions.updatebitmap_unsafe(debug_img, bmp);
            bmp.Save("tests_gridCells_CreateMoireGrid.bmp", System.Drawing.Imaging.ImageFormat.Bmp);

            BitmapArrayConversions.updatebitmap_unsafe(debug_img_moire, bmp);
            bmp.Save("tests_gridCells_CreateMoireGrid_moire.bmp", System.Drawing.Imaging.ImageFormat.Bmp);
        }
Example #23
0
        public void SpeedControl()
        {
            int image_width = 640;

            byte[] img_rays = new byte[image_width * image_width * 3];
            Bitmap bmp      = new Bitmap(image_width, image_width, System.Drawing.Imaging.PixelFormat.Format24bppRgb);

            bool  closed_loop = false;
            robot rob         = new robot(1);

            int   min_x_mm  = 0;
            int   min_y_mm  = 0;
            int   max_x_mm  = 1000;
            int   max_y_mm  = 1200;
            int   step_size = (max_y_mm - min_y_mm) / 15;
            int   x         = min_x_mm + ((max_x_mm - min_x_mm) / 2);
            bool  initial   = true;
            float pan       = 0; // (float)Math.PI / 4;

            rob.x = x;
            rob.y = 0;
            for (int y = min_y_mm; y <= max_y_mm; y += step_size)
            {
                if (closed_loop)
                {
                    surveyPosesDummy(rob);
                }
                List <ushort[]> stereo_matches       = new List <ushort[]>();
                float           forward_velocity     = step_size;
                float           angular_velocity_pan = 0 * (float)Math.PI / 180.0f;
                rob.updateFromVelocities(stereo_matches, forward_velocity, angular_velocity_pan, 0, 0, 1.0f);

                rob.motion.Show(
                    img_rays, image_width, image_width,
                    min_x_mm, min_y_mm, max_x_mm, max_y_mm,
                    true, false,
                    initial);
                initial = false;
            }

            BitmapArrayConversions.updatebitmap_unsafe(img_rays, bmp);
            bmp.Save("motionmodel_tests_SpeedControl.bmp", System.Drawing.Imaging.ImageFormat.Bmp);

            Assert.IsTrue(rob.y > max_y_mm - 50, "The robot did not move far enough " + rob.y.ToString());
        }
Example #24
0
        public void OpenLoopSpeed()
        {
            int image_width = 640;

            byte[] img_rays = new byte[image_width * image_width * 3];
            Bitmap bmp      = new Bitmap(image_width, image_width, System.Drawing.Imaging.PixelFormat.Format24bppRgb);

            bool  closed_loop = false;
            robot rob         = new robot(1);

            rob.motion.uncertainty_type          = motionModel.SPEED;
            rob.motion.speed_uncertainty_forward = 4;
            rob.motion.speed_uncertainty_angular = 0.5f / 180.0f * (float)Math.PI;

            int   min_x_mm  = 0;
            int   min_y_mm  = 0;
            int   max_x_mm  = 1000;
            int   max_y_mm  = 1000;
            int   step_size = (max_y_mm - min_y_mm) / 15;
            int   x         = min_x_mm + ((max_x_mm - min_x_mm) / 2);
            bool  initial   = true;
            float pan       = 0; // (float)Math.PI / 4;

            for (int y = min_y_mm; y <= max_y_mm; y += step_size)
            {
                if (closed_loop)
                {
                    surveyPosesDummy(rob);
                }
                List <ushort[]> stereo_matches = new List <ushort[]>();
                rob.updateFromKnownPosition(stereo_matches, x, y, 0, pan, 0, 0);

                rob.motion.Show(
                    img_rays, image_width, image_width,
                    min_x_mm, min_y_mm, max_x_mm, max_y_mm,
                    true, false,
                    initial);
                initial = false;
            }

            BitmapArrayConversions.updatebitmap_unsafe(img_rays, bmp);
            bmp.Save("motionmodel_tests_OpenLoopSpeed.bmp", System.Drawing.Imaging.ImageFormat.Bmp);

            Assert.IsTrue(rob.y > max_y_mm - 50, "The robot did not move far enough " + rob.y.ToString());
        }
Example #25
0
        private void update()
        {
            // load calibration data
            stereointerface.loadCalibration(calibration_filename);

            // get image data from bitmaps
            int bytes_per_pixel = 3;
            int image_width     = picLeftImage.Image.Width;
            int image_height    = picLeftImage.Image.Height;

            byte[] fullres_left = new byte[image_width * image_height *
                                           bytes_per_pixel];
            byte[] fullres_right = new byte[fullres_left.Length];
            BitmapArrayConversions.updatebitmap((Bitmap)picLeftImage.Image, fullres_left);
            BitmapArrayConversions.updatebitmap((Bitmap)picRightImage.Image, fullres_right);

            // load images into the correspondence object
            stereointerface.loadImage(fullres_left, image_width, image_height, true, bytes_per_pixel);
            stereointerface.loadImage(fullres_right, image_width, image_height, false, bytes_per_pixel);

            // set the quality of the disparity map
            stereointerface.setDisparityMapCompression(horizontal_compression, vertical_compression);

            clock.Start();

            // perform stereo matching
            stereointerface.stereoMatchRun(0, 8, correspondence_algorithm_type);

            long correspondence_time_mS = clock.Stop();

            txtStereoCorrespondenceTime.Text = correspondence_time_mS.ToString();

            // make a bitmap
            Bitmap depthmap_bmp = new Bitmap(image_width, image_height, System.Drawing.Imaging.PixelFormat.Format24bppRgb);

            picDepthMap.Image = depthmap_bmp;

            byte[] depthmap = new byte[image_width * image_height * 3];
            stereointerface.getDisparityMap(depthmap, image_width, image_height, 0);

            BitmapArrayConversions.updatebitmap_unsafe(depthmap, depthmap_bmp);
            picDepthMap.Refresh();
        }
Example #26
0
        private void loadSimulationImages()
        {
            String left_filename  = System.AppDomain.CurrentDomain.BaseDirectory + "\\left_" + Convert.ToString(simulation_file_index) + ".jpg";
            String right_filename = System.AppDomain.CurrentDomain.BaseDirectory + "\\right_" + Convert.ToString(simulation_file_index) + ".jpg";

            captureState[0] = 0;
            captureState[1] = 0;
            if ((File.Exists(left_filename)) && (File.Exists(right_filename)))
            {
                picLeftImage.Image = new Bitmap(left_filename);
                picLeftImage.Refresh();
                left_image = (Bitmap)picLeftImage.Image.Clone();
                if (global_variables.left_bmp == null)
                {
                    global_variables.left_bmp = new Byte[left_image.Width * left_image.Height * 3];
                }
                BitmapArrayConversions.updatebitmap(left_image, global_variables.left_bmp);
                captureState[0] = 2;

                picRightImage.Image = new Bitmap(right_filename);
                picRightImage.Refresh();
                right_image = (Bitmap)picRightImage.Image.Clone();
                if (global_variables.right_bmp == null)
                {
                    global_variables.right_bmp = new Byte[right_image.Width * right_image.Height * 3];
                }
                BitmapArrayConversions.updatebitmap(right_image, global_variables.right_bmp);
                captureState[1] = 2;
            }

            // we need to slow things down, otherwise the simulation runs at lightning speed
            delay_counter++;
            if (delay_counter > 2)
            {
                delay_counter = 0;
                simulation_file_index++;
                if (simulation_file_index >= output_file_index)
                {
                    simulation_file_index = 1;
                }
            }
        }
        private void timAnimation_Tick(object sender, EventArgs e)
        {
            if ((File.Exists(processed_left_image_filename)) &&
                (File.Exists(processed_right_image_filename)))
            {
                if (picAnimation.Image != null)
                {
                    picAnimation.Image.Dispose();
                }

                if (animation_state)
                {
                    Bitmap bmp = (Bitmap)Bitmap.FromFile(processed_left_image_filename);
                    if (reverse_colours)
                    {
                        byte[] img = new byte[bmp.Width * bmp.Height * 3];
                        BitmapArrayConversions.updatebitmap(bmp, img);
                        BitmapArrayConversions.RGB_BGR(img);
                        BitmapArrayConversions.updatebitmap_unsafe(img, bmp);
                    }
                    picAnimation.Image = bmp;
                }
                else
                {
                    Bitmap bmp = (Bitmap)Bitmap.FromFile(processed_right_image_filename);
                    if (reverse_colours)
                    {
                        byte[] img = new byte[bmp.Width * bmp.Height * 3];
                        BitmapArrayConversions.updatebitmap(bmp, img);
                        BitmapArrayConversions.RGB_BGR(img);
                        BitmapArrayConversions.updatebitmap_unsafe(img, bmp);
                    }
                    picAnimation.Image = bmp;
                }
                picAnimation.Refresh();

                if (chkAnimate.Checked)
                {
                    animation_state = !animation_state;
                }
            }
        }
Example #28
0
        public void updateVisionRight(Image input_img, bool leftImage)
        {
            try
            {
                if (captureState[1] == 1)
                {
                    if (global_variables.right_bmp == null)
                        global_variables.right_bmp = new Byte[input_img.Width * input_img.Height * 3];

                    right_image = (Bitmap)input_img.Clone();
                    BitmapArrayConversions.updatebitmap(right_image, global_variables.right_bmp);
                    captureState[1] = 2;
                }
                right_camera_running = true;
            }
            catch //(Exception ex)
            {
                //MessageBox.Show("updateVisionRight/" + ex.Message);
            }
        }
Example #29
0
        private void gaussianFunctionToolStripMenuItem_Click(object sender, EventArgs e)
        {
            grid_layer = new float[grid_dimension, grid_dimension, 3];

            pos3D_x = new float[4];
            pos3D_y = new float[4];

            stereo_model         = new stereoModel();
            robot_head           = new stereoHead(4);
            stereo_features      = new float[900];
            stereo_uncertainties = new float[900];

            img_rays      = new Byte[standard_width * standard_height * 3];
            rays          = new Bitmap(standard_width, standard_height, System.Drawing.Imaging.PixelFormat.Format24bppRgb);
            picRays.Image = rays;

            stereo_model.showDistribution(img_rays, standard_width, standard_height);

            BitmapArrayConversions.updatebitmap_unsafe(img_rays, (Bitmap)picRays.Image);
        }
Example #30
0
        private void multipleStereoRaysToolStripMenuItem_Click(object sender, EventArgs e)
        {
            grid_layer = new float[grid_dimension, grid_dimension, 3];

            pos3D_x = new float[4];
            pos3D_y = new float[4];

            stereo_model         = new stereoModel();
            robot_head           = new stereoHead(4);
            stereo_features      = new float[900];
            stereo_uncertainties = new float[900];

            img_rays      = new Byte[standard_width * standard_height * 3];
            rays          = new Bitmap(standard_width, standard_height, System.Drawing.Imaging.PixelFormat.Format24bppRgb);
            picRays.Image = rays;

            bool mirror = false;

            stereo_model.showProbabilities(grid_layer, grid_dimension, img_rays, standard_width, standard_height, false, true, mirror);
            BitmapArrayConversions.updatebitmap_unsafe(img_rays, (Bitmap)picRays.Image);
        }