private static void SegmentImageParam(Bitmap src, string outputFile, double sigma, int k, StringBuilder sb)
{
BitmapData srcData = src.LockBits(new Rectangle(0, 0, src.Width, src.Height), ImageLockMode.ReadOnly, src.PixelFormat);
int bytesPerPixel = 1;
if (src.PixelFormat == PixelFormat.Format8bppIndexed)
bytesPerPixel = 1;
else if (src.PixelFormat == PixelFormat.Format24bppRgb)
bytesPerPixel = 3;
else if ((src.PixelFormat == PixelFormat.Format32bppRgb) || (src.PixelFormat == PixelFormat.Format32bppArgb))
bytesPerPixel = 4;
Bitmap dst = new Bitmap(src.Width, src.Height, src.PixelFormat);
BitmapData dstData = dst.LockBits(new Rectangle(0, 0, dst.Width, dst.Height), ImageLockMode.WriteOnly, dst.PixelFormat);
Stopwatch stopwatch = new Stopwatch();
Fhs.Fhs fhs = new Fhs.Fhs();
stopwatch.Start();
unsafe { fhs.fhs((byte*)srcData.Scan0, src.Width, src.Height, srcData.Stride, bytesPerPixel, (byte*)dstData.Scan0, sigma, k); }
stopwatch.Stop();
src.UnlockBits(srcData);
dst.UnlockBits(dstData);
int[,] segments = ImageHelper.GetSegments(dst);
int max = 0;
foreach (int s in segments)
if (s > max) max = s;
sb.AppendFormat("sigma = {0:0.0}, k = {1}: segmentation time = {2}, segment count = {3}", sigma, k, stopwatch.Elapsed, max + 1);
sb.AppendLine();
Bitmap seg = ImageHelper.GetBitmap(segments);
seg.Save(outputFile);
}
public void SegmentCppImage()
{
Task task = Task.Factory.StartNew(() =>
{
App.Current.Dispatcher.Invoke(new Action(() =>
{
ProcessRunning = true;
}));
try
{
Bitmap src = OriginImage.Bitmap;
BitmapData srcData = src.LockBits(new Rectangle(0, 0, src.Width, src.Height), ImageLockMode.ReadOnly, src.PixelFormat);
int bytesPerPixel = 1;
if (src.PixelFormat == PixelFormat.Format8bppIndexed)
bytesPerPixel = 1;
else if (src.PixelFormat == PixelFormat.Format24bppRgb)
bytesPerPixel = 3;
else if ((src.PixelFormat == PixelFormat.Format32bppRgb) || (src.PixelFormat == PixelFormat.Format32bppArgb))
bytesPerPixel = 4;
Bitmap dst = new Bitmap(src.Width, src.Height, src.PixelFormat);
BitmapData dstData = dst.LockBits(new Rectangle(0, 0, dst.Width, dst.Height), ImageLockMode.WriteOnly, dst.PixelFormat);
Fhs.Fhs fhs = new Fhs.Fhs();
unsafe { fhs.fhs((byte*)srcData.Scan0, src.Width, src.Height, srcData.Stride, bytesPerPixel, (byte*)dstData.Scan0, 0.8, 300); }
src.UnlockBits(srcData);
dst.UnlockBits(dstData);
int[,] segments = ImageHelper.GetSegments(dst);
App.Current.Dispatcher.Invoke(new Action(() =>
{
SegmentedImage = new ImageViewModel(ImageHelper.GetBitmap(segments));
}));
}
catch { }
finally
{
App.Current.Dispatcher.Invoke(new Action(() =>
{
ProcessRunning = false;
}));
}
});
}
