public void Apply(MergeTextStrings mts, int tnum)
{
_tnum = tnum;
_mts = mts;
Thread[] thread_array = new Thread[_tnum];
for (int i = 0; i < tnum; i++)
{
thread_array[i] = new Thread(new ParameterizedThreadStart(DetectOrientationThread));
thread_array[i].Start(i);
}
for (int i = 0; i < tnum; i++)
thread_array[i].Join();
}
public void Apply(MergeTextStrings mts, int tnum)
{
_tnum = tnum;
_mts = mts;
Thread[] thread_array = new Thread[_tnum];
for (int i = 0; i < tnum; i++)
{
thread_array[i] = new Thread(new ParameterizedThreadStart(DetectOrientationThread));
thread_array[i].Start(i);
}
for (int i = 0; i < tnum; i++)
{
thread_array[i].Join();
}
}
public void Apply(string input_dir, string output_dir, string fn, int char_size, double size_ratio, bool preprocessing, int tnum, string lang)
{
MergeTextStrings mts = new MergeTextStrings();
ImageSlicer imgslicer = new ImageSlicer();
List<TextString> text_string_list = new List<TextString>();
List<string> imgpath_list = imgslicer.Apply(1, 1, 100, input_dir + fn, output_dir);
Log.WriteLine("Grouping text strings...");
for (int s = 0; s < imgpath_list.Count; s++)
{
Bitmap srcimg = null;
if (lang == "eng")
{
using (Bitmap tileimg = new Bitmap(imgpath_list[s]))
{
RemoveBoarderAndNoiseCC removeBoarderAndNoiseCC = new RemoveBoarderAndNoiseCC();
srcimg = removeBoarderAndNoiseCC.Apply(tileimg, char_size, 0.18);
Log.WriteBitmap2FolderExactFileName(output_dir, srcimg, "CDAInput.png");
}
}
else
{
using (Bitmap tileimg = new Bitmap(imgpath_list[s]))
{
RemoveBoarderCC removeBoarderCC = new RemoveBoarderCC();
srcimg = removeBoarderCC.Apply(tileimg);
Log.WriteBitmap2FolderExactFileName(output_dir, srcimg, "CDAInput.png");
}
}
ConditionalDilationAutomatic cda = new ConditionalDilationAutomatic();
cda.ang_threshold = angle_ratio;
string outputImagePath = output_dir + s + ".png";
cda.Apply(tnum, srcimg, size_ratio, angle_ratio, preprocessing, outputImagePath);
using (Bitmap dilatedimg = new Bitmap(outputImagePath))
{
DetectTextStrings detectTS = new DetectTextStrings();
List<TextString> string_list = detectTS.Apply(srcimg, dilatedimg);
List<Bitmap> string_img_list = new List<Bitmap>();
for (int i = 0; i < string_list.Count; i++)
string_img_list.Add(string_list[i].srcimg);
int[] offset = imgslicer.xy_offset_list[s];
for (int i = 0; i < string_list.Count; i++)
{
string_list[i].x_offset = offset[0];
string_list[i].y_offset = offset[1];
mts.AddTextString(string_list[i]);
}
}
using (Bitmap CDAInputwithLabel=new Bitmap (outputImagePath))
{
Graphics g = Graphics.FromImage(CDAInputwithLabel);
for (int i = 0; i < mts.text_string_list.Count; i++)
{
Font font = new Font("Arial", 20);
g.DrawString(i.ToString(), font, Brushes.Red, mts.text_string_list[i].bbx.X, mts.text_string_list[i].bbx.Y);
g.DrawRectangle(new Pen(Color.Green, 4), mts.text_string_list[i].bbx);
}
Log.WriteBitmap2FolderExactFileName(output_dir, CDAInputwithLabel, "CDAInputwithLabel.png");
g.Dispose();
g=null;
}
srcimg.Dispose();
srcimg = null;
}
Log.WriteLine("Detecting long string orientation...");
DetectTextOrientation detectTextOrientation = new DetectTextOrientation();
detectTextOrientation.Apply(mts, tnum);
Log.WriteLine("Detecting short string orientation...");
for (int i = 0; i < mts.text_string_list.Count; i++)
{
if (mts.text_string_list[i].char_list.Count <= 3)
{
List<int> nearest_string_list = detectTextOrientation.findNearestSrings(i, mts.text_string_list);
int initial_orientation_count = mts.text_string_list[i].orientation_list.Count;
for (int j = 0; j < nearest_string_list.Count; j++)
mts.text_string_list[i].orientation_list.AddRange(mts.text_string_list[nearest_string_list[j]].orientation_list);
for (int j = initial_orientation_count; j < mts.text_string_list[i].orientation_list.Count; j++)
{
RotateBilinear filter = new RotateBilinear(mts.text_string_list[i].orientation_list[j]);
Bitmap rotateimg = ImageUtils.InvertColors(filter.Apply(ImageUtils.InvertColors(mts.text_string_list[i].srcimg)));
mts.text_string_list[i].rotated_img_list.Add(rotateimg);
}
}
}
Log.WriteLine("Writing string results...");
mts.WriteBMP(output_dir);
}
