private Bitmap DoLSD(OneEye eye)
{
image <int> img = new image <int>(); // 隨更new,只要不是null, 在LSD裏會重建
LSD.doubleTupleList tupleList = LSD.lsd_scale_region(eye.imgDouble, 0.8, ref img);
int w = (int)img.width;
int h = (int)img.height;
try
{
Bitmap lineSegment = new Bitmap(w, h, PixelFormat.Format24bppRgb);
BitmapData dataOut = lineSegment.LockBits(new Rectangle(0, 0, w, h), ImageLockMode.ReadOnly, PixelFormat.Format24bppRgb);
unsafe
{
byte *pOut = (byte *)(dataOut.Scan0.ToPointer());
for (int y = 0; y < h; y++)
{
for (int x = 0; x < w; x++)
{
byte gr = (img.data[x, y] == 0) ? (byte)0 : (byte)200;
pOut[0] = pOut[1] = pOut[2] = gr;
pOut += 3;
}
pOut += dataOut.Stride - w * 3;
}
}
lineSegment.UnlockBits(dataOut);
lineSegment.Save("LSD.bmp");
return(lineSegment);
}
catch (Exception ex) { Message("Make LSD:" + ex.Message); }
return(null);
}
private Bitmap DoGaussian(OneEye eye)
{
LSD.doubleTupleList outList = LSD.doubleTupleList.newTupleList(7);
image <double> modgrad;
List <coord> list_p;
// angle tolerance
double quant = 2.0; // Bound to the quantization error on the gradient norm.
double ang_th = 22.5; // Gradient angle tolerance in degrees.
int n_bins = 1024; // Number of bins in pseudo-ordering of gradient modulus.
double prec = Math.PI * ang_th / 180.0;
double p = ang_th / 180.0;
double rho = quant / Math.Sin(prec);
//LSD.image<Double> scaled_image=LSD.gaussian_sampler(eye.imgDouble, 0.8, 0.6);
image <Double> scaled_image = eye.imgDouble;
image <Double> angles = LSD.ll_angle(scaled_image, rho, (uint)n_bins, out modgrad, out list_p);
image <double> img = angles;
int w = (int)img.width;
int h = (int)img.height;
//double normal = double.Epsilon;
//for (int y = 0; y < h; y++)
// for (int x = 0; x < w; x++)
// {
// if (img.data[x, y] == LSD.NOTDEF) continue;
// if (normal < Math.Abs(img.data[x, y])) normal = Math.Abs(img.data[x, y]);
// }
//normal /= 255;
try
{
Bitmap gaussian = new Bitmap(w, h, PixelFormat.Format24bppRgb);
BitmapData dataOut = gaussian.LockBits(new Rectangle(0, 0, w, h), ImageLockMode.ReadOnly, PixelFormat.Format24bppRgb);
unsafe
{
byte *pOut = (byte *)(dataOut.Scan0.ToPointer());
for (int y = 0; y < h; y++)
{
for (int x = 0; x < w; x++)
{
byte gr;
if (img.data[x, y] == LSD.NOTDEF)
{
gr = 0;
}
else
{
gr = 200;
}
pOut[0] = pOut[1] = pOut[2] = (byte)gr;
pOut += 3;
}
pOut += dataOut.Stride - w * 3;
}
}
gaussian.UnlockBits(dataOut);
gaussian.Save("gaussian.bmp");
return(gaussian);
}
catch (Exception ex) { Message("Make Gaussian:" + ex.Message); }
return(null);
}
