public static double callSobel()
{
DateTime t1 = DateTime.Now, t2 = t1;
if (ImageShow.nowFile != null)
{
ImageShow.source = new Bitmap(ImageShow.nowFile);
Rectangle rect = new Rectangle(0, 0, ImageShow.source.Width, ImageShow.source.Height);
System.Drawing.Imaging.BitmapData bmpData = ImageShow.source.LockBits(rect, System.Drawing.Imaging.ImageLockMode.ReadWrite, ImageShow.source.PixelFormat);
IntPtr ptr = bmpData.Scan0;
int bytes = Math.Abs(bmpData.Stride) * ImageShow.source.Height;
byte[] rgbValues = new byte[bytes];
System.Runtime.InteropServices.Marshal.Copy(ptr, rgbValues, 0, bytes);
if (sobelOTSU)
{
sobelThr = -1;
}
int[] edgeX = new int[bytes];
int[] edgeY = new int[bytes];
int edgeNum = 0;
t1 = DateTime.Now;
sobel(ImageShow.source.Width, ImageShow.source.Height, bytes, rgbValues, sobelKsize, ref sobelThr, ref edgeNum, edgeX, edgeY);
t2 = DateTime.Now;
while (ImageShow.edgeDots != null && ImageShow.edgeDots.Count > 0)
{
ImageShow.edgeDots.RemoveAt(ImageShow.edgeDots.Count - 1);
}
for (int i = 0; i < edgeNum; i++)
{
ImageShow.addDot(new Point(edgeX[i], edgeY[i]));
}
ImageShow.source.UnlockBits(bmpData);
}
return((t2 - t1).TotalMilliseconds);
}
public static void callTemplateFinetune()
{
if (ImageShow.nowFile != null)
{
ImageShow.source = new Bitmap(ImageShow.nowFile);
Rectangle rect = new Rectangle(0, 0, ImageShow.source.Width, ImageShow.source.Height);
System.Drawing.Imaging.BitmapData bmpData = ImageShow.source.LockBits(rect, System.Drawing.Imaging.ImageLockMode.ReadWrite, ImageShow.source.PixelFormat);
IntPtr ptr = bmpData.Scan0;
int bytes = Math.Abs(bmpData.Stride) * ImageShow.source.Height;
byte[] rgbValues = new byte[bytes];
System.Runtime.InteropServices.Marshal.Copy(ptr, rgbValues, 0, bytes);
byte[] data = new byte[templateROI.Width * (bmpData.Stride / bmpData.Width) * templateROI.Height];
for (int i = 0; i < templateROI.Height; i++)
{
for (int j = 0; j < templateROI.Width * (bmpData.Stride / bmpData.Width); j++)
{
data[i * templateROI.Width * (bmpData.Stride / bmpData.Width) + j] = rgbValues[(i + templateROI.Y) * bmpData.Stride + j + templateROI.X * (bmpData.Stride / bmpData.Width)];
}
}
int edgeNum = templateROI.Width * templateROI.Height;
int[] edgeX = new int[edgeNum];
int[] edgeY = new int[edgeNum];
templateFinetune(templateROI.Width, templateROI.Height, templateROI.Height * templateROI.Width * (bmpData.Stride / bmpData.Width), data, thr, ref edgeNum, edgeX, edgeY);
ImageShow.edgeDots.Clear();
for (int i = 0; i < edgeNum; i++)
{
ImageShow.addDot(new Point(edgeX[i] + templateROI.X, edgeY[i] + templateROI.Y));
}
ImageShow.source.UnlockBits(bmpData);
}
}
public static double newEdgeDetectFun()
{
DateTime t1 = DateTime.Now, t2 = t1;
int imgSize = ImageShow.source.Width * ImageShow.source.Height;
byte[] data = new byte[imgSize];
t1 = DateTime.Now;
newEdgeDetect(ImageShow.nowFile, edgeDetectStep, edgeDetectThr, imgSize, data);
t2 = DateTime.Now;
for (int i = 0; i < imgSize; i++)
{
if (data[i] == 254)
{
ImageShow.addDot(new Point(i % ImageShow.source.Width, i / ImageShow.source.Width));
}
}
return((t2 - t1).TotalMilliseconds);
}