public static Bitmap RecognizeDocumentInImage(Bitmap originalBmp)
{
var grayscale = new GrayscaleImage(originalBmp);
var compressionBmp = BitmapProcessing.ImageCompression(originalBmp);
var processedImage = ImageFilters.ImageFiltering(compressionBmp);
var resultSearch = SearchSingularPoints.SerchSPForImage(originalBmp, compressionBmp, processedImage);
var spPoints = resultSearch.Item1;
var equations = resultSearch.Item2;
BitmapProcessing.SelectBackground(grayscale, equations);
var widthAndHeight = MakeWidthAndHeightDocument(spPoints);
var documentWidth = widthAndHeight.Item1;
var documentHeight = widthAndHeight.Item2;
var anglePoints = MakeAnglePoints(documentWidth, documentHeight, spPoints);
var H = GetMatrixHomography(spPoints, anglePoints);
var inverseH = H.Inverse();
var correctImage = ImageCorrection(inverseH, grayscale);
var correctSpPoints = TransformPoints(inverseH, spPoints);
var correctEquations = MakeEquationsLines(correctSpPoints);
var angle = correctEquations[2].AngleDeviationOX();
correctImage = BitmapProcessing.RotateGrayscaleImage(correctImage, angle);
var document = ImageCutter.CutDocument(correctImage);
return(BitmapProcessing.MakeBitmap(document.Width, document.Height, document.Colors));
//return BitmapProcessing.MakeBitmap(correctImage.Width, correctImage.Height, correctImage.Colors);
}
private void OpenFile(PictureBox pictureBox1)
{
OpenFileDialog ofd = new OpenFileDialog();
ofd.Filter = "Image Files(*.BMP;*.JPG;*.GIF;*.PNG)|*.BMP;*.JPG;*.GIF;*.PNG|All files (*.*)|*.*";
if (ofd.ShowDialog() == DialogResult.OK)
{
try
{
OriginalBmp = new Bitmap(ofd.FileName);
CompressionBmp = BitmapProcessing.ImageCompression(OriginalBmp);
pictureBox1.Image = new Bitmap(OriginalBmp, pictureBox1.ClientSize);
}
catch
{
MessageBox.Show("Невозможно открыть выбранный файл", "Ошибка",
MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
}
public GrayscaleImage(Bitmap bmp)
{
Width = bmp.Width;
Height = bmp.Height;
Colors = BitmapProcessing.ConvertRgbToGrayscale(bmp);
}
