public Martrix dctTrans(int[,] gray)
{
Martrix dctMartrix = new Martrix(), grayMartrix = new Martrix(gray);
dctMartrix.GetDctMartrix(32);
var ans = dctMartrix.multy(grayMartrix);
dctMartrix.Reverse();
ans = ans.multy(dctMartrix);
return(ans);
}
public double[,] getDcCoff(Martrix dctCoff)
{
double[,] ans = new double[8, 8];
for (int i = 0; i < 8; ++i)
{
for (int j = 0; j < 8; ++j)
{
ans[i, j] = dctCoff.martrix[i, j];
}
}
return(ans);
}
public Martrix multy(Martrix b)
{
Martrix ans = new Martrix(height, b.width);
for (int i = 0; i < height; ++i)
{
for (int j = 0; j < b.width; ++j)
{
for (int k = 0; k < width; ++k)
{
ans.martrix[i, j] += martrix[i, k] * b.martrix[k, j];
}
}
}
return(ans);
}
