private void otsu()
{
//Bitmap temp = (Bitmap)org.Clone();
Bitmap temp = (Bitmap)this.pbGrises.Image.Clone();
Otsu otsu = new Otsu();
//ot.Convert2GrayScaleFast(temp);
int otsuThreshold = otsu.getOtsuThreshold((Bitmap)temp);
otsu.threshold(temp, otsuThreshold);
//textBox1.Text = otsuThreshold.ToString();
pbUmbralizacion.Image = temp;
}
public void ProcessFile(string path)
{
String str = "";
String line = "";
Console.WriteLine("Processed file '{0}'.", path);
String label = Path.GetDirectoryName(path);
String result = System.IO.Path.GetFileName(label);
// Table de correspondance
if (Path.GetFileNameWithoutExtension(path).ToUpper() == "TRANSCO")
{
try
{
ifs = new FileStream(path, FileMode.Open);
transco = new StreamReader(ifs);
while ((line = transco.ReadLine()) != null)
{
String[] split = line.Split('=');
Correspondance.Add(split[0], split[1]);
}
transco.Close(); ifs.Close();
}
catch (Exception err)
{
Console.WriteLine(err.Message);
}
}
else
{
switch (Path.GetExtension(path).ToUpper())
{
case ".JPEG":
break;
case ".PNG":
Bitmap BitmapNormalisation = null;
Bitmap BitmapResize = null;
Bitmap BitmapBorder = null;
Bitmap BitmapFinal = null;
Image imgPhotoVert = null;
Bitmap bitMapMedian = null;
Bitmap bitMapOtsu = null;
Bitmap bitMapCCL = null;
Bitmap bitMapSave = null;
try
{
BitmapNormalisation = null;
imgPhotoVert = Image.FromFile(path);
//Image imgPhoto = null;
Dictionary <string, Structure> dic = null;
string repertoire = Path.GetDirectoryName(path);
string pattern = Path.GetFileName(repertoire);
char caractere = Convert.ToChar(Correspondance[pattern]);
string fichierResize = Path.GetFileNameWithoutExtension(path) + "_R.png";
// Filtre médian
bitMapMedian = (Bitmap)imgPhotoVert;
// bmp = ToolsImages.Filtres.Median.MedianFilter(bmp, 3);
//Otsu
Otsu otsu = new Otsu();
bitMapOtsu = (Bitmap)bitMapMedian.Clone();
otsu.Convert2GrayScaleFast(bitMapOtsu);
int otsuThreshold = otsu.getOtsuThreshold((Bitmap)bitMapOtsu);
otsu.threshold(bitMapOtsu, otsuThreshold);
bitMapCCL = (Bitmap)bitMapOtsu.Clone();
bitMapSave = (Bitmap)bitMapCCL.Clone();
// Detection objet CCL
dic = SetCCL(bitMapCCL);
if (dic.Count == 1)
{
// Normalement un seul element
foreach (var pair in dic)
{
Structure structure = (Structure)pair.Value;
int largeur = structure.Largeur;
int hauteur = structure.Hauteur;
if (largeur > 0 && hauteur > 0)
{
Rectangle source_rect = new Rectangle(structure.X, structure.Y, largeur, hauteur);
Rectangle dest_rect = new Rectangle(0, 0, largeur, hauteur);
BitmapNormalisation = new Bitmap(largeur, hauteur);
DisplayGraphics = Graphics.FromImage(BitmapNormalisation);
DisplayGraphics.DrawImage(bitMapSave, dest_rect, source_rect, GraphicsUnit.Pixel);
}
}
if (BitmapNormalisation != null)
{
// Prendre la plus grande largeur
int max = MaximumSize(BitmapNormalisation.Height, BitmapNormalisation.Width);
BitmapResize = ToolsImages.Conversion.Conversion.ResizeBitmap(BitmapNormalisation, max, max);
///Bordure
BitmapBorder = BitmapWithBorder(BitmapResize, BitmapResize.Height + 4);
BitmapFinal = Conversion.Conversion.ResizeBitmap((Bitmap)BitmapBorder, 32, 32);
//Bitmap bmp = Conversion.Conversion.ResizeBitmap((Bitmap)imgPhotoVert, 29, 29);
byte[] test = Conversion.Conversion.ConvertGrayscaleBitmaptoBytes(BitmapFinal);
//int reso = 29 * 29;
int reso = 32 * 32;
for (int i = 0; i < reso; ++i)
{
str += test[i] + " ";
}
int a = (int)caractere;
// Chiffres 48 à 57
// Majuscules de 65 à 90
// Minuscules de 97 à 122
if (a >= 97 && a <= 122 || a >= 48 && a <= 57)
{
if (Minuscules_Printed == null)
{
Minuscules_Printed = new StreamWriter(Path.Combine(this.PathDestination, "Minuscules_Chiffres_1106_Printed.txt"));
}
Minuscules_Printed.WriteLine(caractere + " " + str);
Minuscules_Printed.Flush();
}
else
{
if (Majuscules_Printed == null)
{
Majuscules_Printed = new StreamWriter(Path.Combine(this.PathDestination, "Majuscules_1106_Printed.txt"));
}
Majuscules_Printed.WriteLine(caractere + " " + str);
Majuscules_Printed.Flush();
}
/*
*
* if (a >= 65 && a <= 90 || a >= 48 && a <= 57)
* {
* if (Majuscules_Printed == null)
* Majuscules_Printed = new StreamWriter(Path.Combine(this.PathDestination, "Majuscules_Printed.txt"));
*
* Majuscules_Printed.WriteLine(caractere + " " + str);
* Majuscules_Printed.Flush();
* }
* else
* {
* if (Minuscules_Printed == null)
* Minuscules_Printed = new StreamWriter(Path.Combine(this.PathDestination, "Minuscules_Printed.txt"));
*
* Minuscules_Printed.WriteLine(caractere + " " + str);
* Minuscules_Printed.Flush();
*
* }*/
//if (a >= 48 && a <= 57)
//{
// if (Chiffres_Printed == null)
// Chiffres_Printed = new StreamWriter(Path.Combine(this.PathDestination, "Chiffres_Printed.txt"));
// Chiffres_Printed.WriteLine(caractere + " " + str);
// Chiffres_Printed.Flush();
//}
//else if (a >= 65 && a <= 90)
//{
// if (Majuscules_Printed == null)
// Majuscules_Printed = new StreamWriter(Path.Combine(this.PathDestination, "Majuscules_Printed.txt"));
// Majuscules_Printed.WriteLine(caractere + " " + str);
// Majuscules_Printed.Flush();
//}
//else if (a >= 97 && a <= 122)
//{
// if (Minuscules_Printed == null)
// Minuscules_Printed = new StreamWriter(Path.Combine(this.PathDestination, "Minuscules_Printed.txt"));
// Minuscules_Printed.WriteLine(caractere + " " + str);
// Minuscules_Printed.Flush();
//}
}
}
if (BitmapNormalisation != null)
{
BitmapNormalisation.Dispose();
BitmapNormalisation = null;
}
if (BitmapResize != null)
{
BitmapResize.Dispose();
BitmapResize = null;
}
if (BitmapBorder != null)
{
BitmapBorder.Dispose();
BitmapBorder = null;
}
if (BitmapFinal != null)
{
BitmapFinal.Dispose();
BitmapFinal = null;
}
if (DisplayGraphics != null)
{
DisplayGraphics.Dispose();
DisplayGraphics = null;
}
if (imgPhotoVert != null)
{
imgPhotoVert.Dispose();
imgPhotoVert = null;
}
if (bitMapMedian != null)
{
bitMapMedian.Dispose();
bitMapMedian = null;
}
if (bitMapOtsu != null)
{
bitMapOtsu.Dispose();
bitMapOtsu = null;
}
if (bitMapCCL != null)
{
bitMapCCL.Dispose();
bitMapCCL = null;
}
if (bitMapSave != null)
{
bitMapSave.Dispose();
bitMapSave = null;
}
}
catch (Exception err)
{
Console.WriteLine(err.Message + " " + err.Source);
}
finally
{
}
// Ecrire dans fichier
// imgPhoto.Save(Path.Combine(this.PathDestination, fichierResize), ImageFormat.Png);
// imgPhoto.Dispose();
break;
case ".TIFF":
break;
default:
break;
}
}
}