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Now the sector recognition is effective even with the colored text

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Rohmer Maxime
2023-05-16 09:28:59 +02:00
parent b6de154438
commit 39e9dbb7d6
8 changed files with 115 additions and 16 deletions
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Test_Merge/OcrImage.cs
+37 -1
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@@ -61,7 +61,10 @@ namespace Test_Merge
case WindowType.Sector:
outputBitmap.Save(Window.SECTOR1_DEBUG_FOLDER + @"\raw_" + id + ".png");
outputBitmap = Tresholding(outputBitmap,165);
outputBitmap = VanishOxyAction(outputBitmap);
outputBitmap.Save(Window.SECTOR1_DEBUG_FOLDER + @"\vanish_" + id + ".png");
outputBitmap = Tresholding(outputBitmap,150);
outputBitmap.Save(Window.SECTOR1_DEBUG_FOLDER + @"\Final_treshold_" + id + ".png");
break;
case WindowType.LapTime:
@@ -135,6 +138,39 @@ namespace Test_Merge
return inputBitmap;
}
public static Bitmap VanishOxyAction(Bitmap inputBitmap)
{
Rectangle rect = new Rectangle(0, 0, inputBitmap.Width, inputBitmap.Height);
BitmapData bmpData = inputBitmap.LockBits(rect, ImageLockMode.ReadWrite, inputBitmap.PixelFormat);
int bytesPerPixel = Bitmap.GetPixelFormatSize(inputBitmap.PixelFormat) / 8;
unsafe
{
byte* ptr = (byte*)bmpData.Scan0.ToPointer();
for (int y = 0; y < inputBitmap.Height; y++)
{
byte* currentLine = ptr + (y * bmpData.Stride);
for (int x = 0; x < inputBitmap.Width; x++)
{
byte* pixel = currentLine + (x * bytesPerPixel);
int blue = (int)pixel[0];
int green = (int)pixel[1];
int red = (int)pixel[2];
int max = Math.Max(Math.Max(blue, green), red);
if (max > 255 / 3)
max = 255;
pixel[0] = pixel[1] = pixel[2] = (byte)max;
}
}
}
inputBitmap.UnlockBits(bmpData);
return inputBitmap;
}
/// <summary>
/// Method that binaries the input image up to a certain treshold given
/// </summary>