private void Convert_dataset_button_Click(object sender, EventArgs e)
{
string conversion_algorithm_selected = convert_method_list.Text;
if (conversion_algorithm_selected == "" || conversion_algorithm_selected == null)
{
MessageBox.Show("Select Conversion");
return;
}
Algorithms conversion_algorithms = new Algorithms((UInt32)eventlatency.Value);
FolderBrowserDialog folderFileDialog = new FolderBrowserDialog();
DialogResult result = folderFileDialog.ShowDialog();
if (result == DialogResult.OK && !string.IsNullOrWhiteSpace(folderFileDialog.SelectedPath))
{
List <string> files = new List <string>(Directory.GetFiles(folderFileDialog.SelectedPath));
files.RemoveAll(i => i.Contains(".aedat"));
Dataset_progress_bar.Maximum = files.Count;
new Thread(() =>
{
Dataset_progress_bar.BeginInvoke(new Action(() => Dataset_progress_bar.Value = 0));
foreach (string frame in files)
{
Image <Bgr, Byte> ImageDataset = new Image <Bgr, Byte>((Bitmap)Bitmap.FromFile(frame)).Resize(128, 128, 0);
Image <Gray, Byte> grayImage = ImageDataset.Convert <Gray, Byte>();
Bitmap image2event = grayImage.Bitmap;
float[,] bright_matrix = new float[image2event.Width, image2event.Height];
Frame_Utils.Get_pixel_bright(image2event, bright_matrix);
BinaryWriter bWriter = new BinaryWriter(File.Create(frame + ".aedat"));
this.Invoke((MethodInvoker) delegate
{
DataSetPictureBox.Image = grayImage.Resize(DataSetPictureBox.Width, DataSetPictureBox.Height, 0).Bitmap;
// runs on UI thread
});
Dataset_progress_bar.BeginInvoke(new Action(() => Dataset_progress_bar.Increment(1)));
switch (conversion_algorithm_selected)
{
case "Scan":
conversion_algorithms.Scan_Method(bright_matrix, bWriter, true);
break;
case "Random":
conversion_algorithms.Random_Method(bright_matrix, bWriter, true);
break;
case "Bitwise":
conversion_algorithms.Bitwise_method(bright_matrix, bWriter, true);
break;
}
}
System.Windows.Forms.MessageBox.Show("Dataset Converted", "Message");
}).Start();
}
}
//Browse Video and convert it using a selected conversion algorithm
private void BrowseVideo_Click(object sender, EventArgs e)
{
//browse for a video
Algorithms conversion_algorithms = new Algorithms((UInt32)eventlatency.Value);
OpenFileDialog openFileDialog = new OpenFileDialog();
openFileDialog.InitialDirectory = "c:\\";
openFileDialog.Filter = "mp4 (*.mp4)|*.mp4|avi files (*.avi)|*.avi|All files (*.*)|*.*";
openFileDialog.FilterIndex = 2;
openFileDialog.RestoreDirectory = true;
if (openFileDialog.ShowDialog() == DialogResult.OK)
{
//Get frames of the Video
List <Image <Bgr, Byte> > image_array = new List <Image <Bgr, Byte> >();
image_array = Frame_Utils.GetVideoFrames((int)Miliseconds_frame.Value, openFileDialog.FileName);
//Select where output file will be stored
SaveFileDialog saveFileDialog = new SaveFileDialog();
saveFileDialog.Filter = "Aedat file|*.aedat";
saveFileDialog.Title = "Save an Image File";
saveFileDialog.ShowDialog();
// If the file name is not an empty string open it for saving.
if (saveFileDialog.FileName != "")
{
BinaryWriter bWriter = new BinaryWriter(File.Create(saveFileDialog.FileName));
string method = convert_method_list.Text;
if (method != "")
{
//Create a new thread to convert the video
new Thread(() =>
{
Thread.CurrentThread.IsBackground = true;
for (int frame = 0; frame < image_array.Count; frame++)
{
//Get current image to be converted and its brightness
Bitmap current_image_frame = image_array[frame].Convert <Gray, Byte>().Sobel(0, 1, 3).AbsDiff(new Gray(0.0)).Resize(128, 128, 0).Bitmap;
VideoBox.Image = image_array[frame].Resize(VideoBox.Width, VideoBox.Height, 0).Bitmap;
float[,] pixel_matrix_frame = new float[current_image_frame.Width, current_image_frame.Height];
Frame_Utils.Get_pixel_bright(current_image_frame, pixel_matrix_frame);
bool oneframe = (frame == 0);
//Conver current frame
switch (method)
{
case "Scan":
conversion_algorithms.Scan_Method(pixel_matrix_frame, bWriter, oneframe);
break;
case "Random":
conversion_algorithms.Random_Method(pixel_matrix_frame, bWriter, oneframe);
break;
case "Bitwise":
conversion_algorithms.Bitwise_method(pixel_matrix_frame, bWriter, oneframe);
break;
}
}
MessageBox.Show("Video Converted");
bWriter.Close();
}).Start();
}
}
else
{
MessageBox.Show("Please Select a conversion method");
}
}
}
