private void bGo_Click(object sender, EventArgs e)
{
try
{
TeachingSample[] samples = null;
if (rbText.Checked)
{
MessageBox.Show("Please, choose text file to generate teaching samples");
OpenFileDialog dlg = new OpenFileDialog();
dlg.ShowDialog();
if (dlg.FileName != null && dlg.FileName != "")
{
samples = TeachingSample.generateTeachingSamplesFromFile(dlg.FileName);
if (samples == null)
{
throw new Exception();
}
}
}
else if (rbImage.Checked)
{
MessageBox.Show("Please, choose images to generate teaching samples");
OpenFileDialog dlg = new OpenFileDialog();
dlg.Multiselect = true;
dlg.ShowDialog();
if (dlg.FileNames.Length > 0)
{
samples = new TeachingSample[dlg.FileNames.Length];
for (int i = 0; i < samples.Length; i++)
{
List <string[]> anns_info = ann_manager.getTableInfo();
int input_length = 0;
int output_length = 0;
foreach (var info in anns_info)
{
if (info[0] == ann_manager.getSelectedANNName())
{
input_length = Convert.ToInt32(info[1]);
output_length = Convert.ToInt32(info[3]);
break;
}
}
samples[i] = new TeachingSample(input_length, output_length);
if (!samples[i].generateTeachingSampleFromImage(dlg.FileNames[i]))
{
MessageBox.Show("one of the files selected is bad");
return;
}
}
}
else
{
MessageBox.Show("No files for teaching sample selected!");
return;
}
}
else
{
MessageBox.Show("An odd situation occured. This is strange as f**k (also as div by 0), and program cant proceed...");
throw new Exception();
}
if (samples != null)
{
double precision = Convert.ToDouble(textBox2.Text);
int iterations = Convert.ToInt32(textBox1.Text);
Close();
string teachingResults = ann_manager.teachANN(precision, samples, iterations);
MessageBox.Show("Teaching results: " + teachingResults);
}
else
{
throw new Exception();
}
}
catch (Exception) { MessageBox.Show("An error occured. Probably, you entered wrong values, or choose wrong file(s)"); };
}
private void recognizeToolStripMenuItem_Click(object sender, EventArgs e)
{
if (ann_manager.getSelectedANNName() != "None")
{
/* this is for debug purposes */
Bitmap bitmap = new Bitmap(pbLetterImage.Image.GetThumbnailImage(16, 16, null, System.IntPtr.Zero));
double[,] values = new double[bitmap.Width, bitmap.Height];
for (int x = 0; x < bitmap.Width; x++)
{
for (int y = 0; y < bitmap.Height; y++)
{
Color bitmapPixelColor = bitmap.GetPixel(x, y);
values[x, y] = (bitmapPixelColor.R == Color.White.R) &&
(bitmapPixelColor.G == Color.White.G) &&
(bitmapPixelColor.B == Color.White.B) ? 0 : 1;
}
}
double[] true_values = new double[values.Length];
Buffer.BlockCopy(values, 0, true_values, 0, values.Length);
double[] output = ann_manager.useANN(true_values);
values = new double[bitmap.Width, bitmap.Height];
int xx = 0;
int yy = 0;
foreach (var val in output)
{
values[xx, yy] = val;
yy++;
if (yy == bitmap.Width)
{
xx++;
yy = 0;
}
}
Color c;
for (int x = 0; x < bitmap.Width; x++)
{
for (int y = 0; y < bitmap.Height; y++)
{
if (values[x, y] >= 0.5 && values[x, y] <= 0.6)
{
c = Color.LightGray;
}
else if (values[x, y] >= 0.6 && values[x, y] <= 0.7)
{
c = Color.SlateGray;
}
else if (values[x, y] >= 0.7 && values[x, y] <= 0.8)
{
c = Color.DarkSlateGray;
}
else if (values[x, y] >= 0.8 && values[x, y] <= 0.9)
{
c = Color.Gray;
}
else if (values[x, y] >= 0.9 && values[x, y] < 1)
{
c = Color.DarkGray;
}
else if (values[x, y] == 1)
{
c = Color.Black;
}
else
{
c = Color.White;
}
bitmap.SetPixel(x, y, c);
}
}
MessageBox.Show("select where to save recreated image");
SaveFileDialog saveDlg = new SaveFileDialog();
saveDlg.ShowDialog();
try
{
bitmap.Save(saveDlg.FileName);
}
catch (Exception) { }
/* end of debug purposes */
}
else
{
MessageBox.Show("Select ANN from ANN manager first!");
}
}
