private Mat _0A_StandardFrame(Mat frame, ref Point[] ptR, bool DispB) //input:gray
{
Size sz = frame.Size();
int W = sz.Width, H = sz.Height, szD = 32 * 9, szDP = szD + 20;
Mat frame2 = new Mat(szDP, szDP, MatType.CV_8UC1);
Point[] ptI = new Point[4];
ptI[0] = new Point(10, 10); ptI[1] = new Point(10 + szD, 10); ptI[2] = new Point(10 + szD, 10 + szD); ptI[3] = new Point(10, 10 + szD);
PT.SetPoint(ptR, ptI);
PT.ProjectionSolver();
Point ptXY = new Point();
unsafe {
byte *S = frame.DataPointer;
byte *D = frame2.DataPointer;
for (int y = 0; y < szDP; y++)
{
ptXY.Y = y;
for (int x = 0; x < szDP; x++)
{
ptXY.X = x;
Point P = PT.Convert_ItoR(ptXY);
if (P.X >= 0 && P.X < W && P.Y >= 0 && P.Y < H)
{
*D = S[P.Y * W + P.X];
}
D++;
}
}
}
ptR = ptI;
if (DispB)
{
new Window("_0A_StandardFrame", WindowMode.KeepRatio, frame2);
}
return(frame2);
}
public Mat _PTNormalize(Mat Mg0, int ctrlWD, byte thValue)
{
//Position adjustment
#if false
Mat Mg5 = new Mat();
Cv2.Resize(Mg0, Mg5, new Size(Mg0.Cols * 10, Mg0.Rows * 10), 0, 0, InterpolationFlags.Lanczos4);
using (new Window("PTNormalize", Mg5)){ /* Cv2.WaitKey();*/ }
#endif
Point2d[] ptI = __GetCorner4(Mg0, thValue);
Point2d[] ptR = new Point2d[4];
int wd;
if (ctrlWD == 0)
{
wd = (int)((ptI[4].X / ptI[4].Y) * 28); //wdCtrl:0,1-3
}
else
{
wd = 15 + ctrlWD * 2;
}
if (wd > 22)
{
wd = 22;
}
int w = (32 - wd) / 2;
ptR[0] = new Point2d(w, 4);
ptR[1] = new Point2d(w + wd, 4);
ptR[2] = new Point2d(w + wd, 28);
ptR[3] = new Point2d(w, 28);
PT.SetPoint(ptR, ptI);
PT.ProjectionSolver();
Size sz = Mg0.Size();
int W = sz.Width;
Mat MgR = new Mat(sz, MatType.CV_8UC1, Scalar.All(255));
byte B = 255, b0 = 0, b255 = 255, b128 = 128;
int cnt = 0;
unsafe {
byte *S = Mg0.DataPointer;
byte *D = MgR.DataPointer;
for (int x = 0; x < sz.Width; x++)
{
for (int y = 0; y < sz.Height; y++)
{
Point Rxy = PT.Convert_RtoI(new Point(x, y));
B = 255;
if (Rxy.Y >= 0 && Rxy.Y < sz.Height && Rxy.X >= 0 && Rxy.X < sz.Width)
{
B = S[Rxy.Y * W + Rxy.X];
B = (B > thValue)? b255: b0;
}
D[y * W + x] = B;
if (B < b128)
{
cnt++;
}
}
}
if (cnt < 32)
{
for (int k = 0; k < 32; k++)
{
D[k] = b0;
}
}
else if (cnt < 64)
{
for (int k = 32; k < 64; k++)
{
D[k] = b0;
}
}
}
return(MgR);
}