private void ProcessImage()
{
try
{
if (bitmap == null)
{
throw new Exception("Chưa chọn ảnh nguồn");
}
var opt = new SegmentOptions
{
ThreshHold = double.Parse(editNguong.EditValue.ToString()),
MinSize = int.Parse(editMinSize.EditValue.ToString())
};
if (opt.MinSize < 0)
{
throw new Exception("Minsize phải >= 0");
}
if (opt.ThreshHold < 0 || opt.ThreshHold > 50)
{
throw new Exception("Threshold phải lớn hơn hoặc bằng 0 và nhỏ hơn hoặc bằng 50");
}
var newBm = bitmap.Clone(new Rectangle(0, 0, bitmap.Width, bitmap.Height),
PixelFormat.Format24bppRgb);
newBm = new AForge.Imaging.Filters.Sharpen().Apply(newBm);
newBm = new GraphImageSegmentation(this, opt).Apply(newBm);
picResult.Image = newBm;
GC.Collect();
}
catch (Exception exc)
{
MessageBox.Show(this, exc.Message, "Có lỗi xảy ra", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
private void Sharpen()
{
// create filter
AForge.Imaging.Filters.Sharpen filter = new AForge.Imaging.Filters.Sharpen();
// apply the filter
filter.ApplyInPlace(image);
}
private void Go_Click(object sender, RoutedEventArgs e)
{
try
{
System.Windows.Media.Imaging.BitmapImage imagesource = imageBox.Source as System.Windows.Media.Imaging.BitmapImage;
if (imageBox.Source == null)
{
System.Windows.MessageBox.Show("Add your image to the Image 1 box!");
return;
}
System.Drawing.Bitmap image = BmpImage2Bmp(imagesource);
System.Windows.Media.Imaging.BitmapImage final = new System.Windows.Media.Imaging.BitmapImage();
if (!AForge.Imaging.Image.IsGrayscale(image))
{
AForge.Imaging.Filters.ExtractChannel Grayer = new AForge.Imaging.Filters.ExtractChannel(0);
image = Grayer.Apply(image);
}
if (Threshold.IsChecked == true)
{
imageBox.Source = null;
AForge.Imaging.Filters.Threshold threshold = new AForge.Imaging.Filters.Threshold((int)slider.Value);
threshold.ApplyInPlace(image);
final = Bmp2BmpImage(image);
}
else if (GaussianFilter.IsChecked == true)
{
AForge.Imaging.Filters.GaussianBlur Gauss = new AForge.Imaging.Filters.GaussianBlur();
Gauss.Sigma = GaussSigma_Slide.Value;
Gauss.Size = (int)GaussSize_Slide.Value;
AForge.Imaging.UnmanagedImage unmanagedImage = AForge.Imaging.UnmanagedImage.FromManagedImage(image);
AForge.Imaging.UnmanagedImage Dst = unmanagedImage.Clone();
Gauss.Apply(unmanagedImage, Dst);
final = Bmp2BmpImage(Dst.ToManagedImage());
}
else if (HiPass.IsChecked == true)
{
AForge.Imaging.Filters.Sharpen filter = new AForge.Imaging.Filters.Sharpen();
filter.ApplyInPlace(image);
final = Bmp2BmpImage(image);
}
else if (Erode.IsChecked == true)
{
AForge.Imaging.Filters.Erosion filter = new AForge.Imaging.Filters.Erosion();
filter.ApplyInPlace(image);
final = Bmp2BmpImage(image);
}
else if (Invert.IsChecked == true)
{
AForge.Imaging.Filters.Invert filter = new AForge.Imaging.Filters.Invert();
filter.ApplyInPlace(image);
final = Bmp2BmpImage(image);
}
else if (EdgeDetector.IsChecked == true)
{
AForge.Imaging.Filters.CannyEdgeDetector filter = new AForge.Imaging.Filters.CannyEdgeDetector();
filter.ApplyInPlace(image);
final = Bmp2BmpImage(image);
}
else if (Median.IsChecked == true)
{
AForge.Imaging.Filters.Median filter = new AForge.Imaging.Filters.Median();
filter.Size = (int)GaussSize_Slide.Value;
filter.ApplyInPlace(image);
final = Bmp2BmpImage(image);
}
else if (More.IsChecked == true)
{
if (Dilate.IsSelected)
{
AForge.Imaging.Filters.Dilatation filter = new AForge.Imaging.Filters.Dilatation();
filter.ApplyInPlace(image);
final = Bmp2BmpImage(image);
}
}
imageBox.Source = final;
TransformImage = image;
boxWidth = imageBox.RenderSize.Width;
boxHeight = imageBox.RenderSize.Height;
}
catch (Exception exc)
{
System.Windows.MessageBox.Show(exc.ToString());
}
}
//główne operacje na obrazie
public void ocr()
{
//otworzenie pliku
FileStream srcstream = new FileStream(pic_file, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
//stworzenie bitmapy
Bitmap source = new Bitmap(srcstream);
//zmiana ustawień webform
Panel1.Visible = false;
Image1.Dispose();
Label2.Text = "Processing...";
Panel3.Visible = true;
//Preperation code
Bitmap ext = source;
//AForge.Imaging.Filters.
//Przekształcenie obrazu na skalę odcieni szarości - testować dla obrazów o różnej kolorystyce(opracować system wyznaczania parametrów filtru na podstawie RGB zdjęcia)
AForge.Imaging.Filters.Grayscale grScl = new AForge.Imaging.Filters.Grayscale(0.2125, 0.0154, 0.0721 );
source = grScl.Apply(source);
//Zwiększenie kontrastu
AForge.Imaging.Filters.ContrastStretch conCor = new AForge.Imaging.Filters.ContrastStretch();
source = conCor.Apply(source);
//Wyostrzenie
AForge.Imaging.Filters.Sharpen shp = new AForge.Imaging.Filters.Sharpen();
source = shp.Apply(source);
//Segmentation code
bool procesed = false;
// Image2.Width = 350;
// Image2.Height = (int)((source.Height * 200) / source.Width);
try
{
Emgu.CV.Image<Bgr, Byte> to_rec = new Emgu.CV.Image<Bgr, byte>(source);
Do_ocr = new Tesseract("tessdata", "eng", Tesseract.OcrEngineMode.OEM_DEFAULT);
try
{
Do_ocr.Recognize<Bgr>(to_rec);
//recognizedText.Text = ocr.GetText();
PastOCRBox.Text = Do_ocr.GetText();
// StatusBox.Text = "Finished! Ready for next one...";
Do_ocr.Dispose();
to_rec.Dispose();
}
catch (Exception exp)
{
Label2.Text = "Recognition error! " + exp.Message;
Do_ocr.Dispose();
return;
}
}
catch (Exception exp)
{
Label2.Text = "OCR engine failed! " + exp.Message;
return;
}
//czyszczenie z plików tymczasowych
// source.Save("D:\\test.bmp");
// ext.Save("D:\\testcor.bmp");
source.Dispose();
srcstream.Close();
srcstream.Dispose();
//System.IO.File.Delete(pic_file);
System.IO.File.Delete(Server.MapPath("~/img/prev.bmp"));
System.IO.File.Delete(Server.MapPath("~/img/tmp.bmp"));
//przygotować wygląd strony po rozpoznawaniu
Panel3.Visible = false;
Label1.Visible = false;
Panel0.Visible = false;
Panel5.Visible = false;
Panel4.Visible = true;
}
private void btn_uygula_Click(object sender, EventArgs e)
{
if (comboBox1.SelectedIndex == 0) // Gri seçildi.
{
Bitmap image = new Bitmap(pictureBox1.Image);
Bitmap gri = griYap(image);
pictureBox2.Image = gri;
}
if (comboBox1.SelectedIndex == 1) // Binary seçildi.
{
Bitmap image = new Bitmap(pictureBox1.Image);
Bitmap binary = binaryYap(image);
pictureBox2.Image = binary;
}
if (comboBox1.SelectedIndex == 2) // Sobel Kenar seçildi.
{
Bitmap image = new Bitmap(pictureBox1.Image);
Bitmap sobel = sobelEdgeDetection(image);
pictureBox2.Image = sobel;
}
if (comboBox1.SelectedIndex == 3) // Sobel Kenar seçildi.
{
Bitmap image = new Bitmap(pictureBox1.Image);
Bitmap median = medianFilter(image);
pictureBox2.Image = median;
}
if (comboBox1.SelectedIndex == 4) // Sepia Fitreleme seçildi.
{
// load an image
System.Drawing.Bitmap image = new Bitmap(pictureBox1.Image);
// create filter
AForge.Imaging.Filters.Sepia filter = new AForge.Imaging.Filters.Sepia();
// apply filter
System.Drawing.Bitmap newImage = filter.Apply(image);
pictureBox2.Image = newImage;
}
if (comboBox1.SelectedIndex == 5) // Blur Fitreleme seçildi.
{
// load an image
System.Drawing.Bitmap image = new Bitmap(pictureBox1.Image);
// create filter
AForge.Imaging.Filters.Blur filter = new AForge.Imaging.Filters.Blur();
// apply filter
System.Drawing.Bitmap newImage = filter.Apply(image);
pictureBox2.Image = newImage;
}
if (comboBox1.SelectedIndex == 6) // Keskinleştirme Fitreleme seçildi.
{
// load an image
System.Drawing.Bitmap image = new Bitmap(pictureBox1.Image);
// create filter
AForge.Imaging.Filters.Sharpen filter = new AForge.Imaging.Filters.Sharpen();
// apply filter
System.Drawing.Bitmap newImage = filter.Apply(image);
pictureBox2.Image = newImage;
}
if (comboBox1.SelectedIndex == 7) // Hue Modifier Fitreleme seçildi.
{
// load an image
System.Drawing.Bitmap image = new Bitmap(pictureBox1.Image);
// create filter
AForge.Imaging.Filters.HueModifier filter = new AForge.Imaging.Filters.HueModifier();
// apply filter
System.Drawing.Bitmap newImage = filter.Apply(image);
pictureBox2.Image = newImage;
}
}
