public void DifferenceOf(BufferField inf, ref BufferField otf)
{
int area = Area;
int width = Width;
int height = Height;
var sb = Buffer;
var rb = inf.Buffer;
var ob = otf.Buffer;
if (GPU != null)
{
GPU.For(0, Length, n =>
{
int c = (int)(n / area);
int i = n - c * area;
int y = (int)(i / width);
int x = i - y * width;
ob[c][x, y] = sb[c][x, y] - rb[c][x, y];
});
}
else
{
for (int n = 0; n < Length; n++)
{
int c = (int)(n / area);
int i = n - c * area;
int y = (int)(i / width);
int x = i - y * width;
ob[c][x, y] = sb[c][x, y] - rb[c][x, y];
}
}
}
public void CopyTo(BufferField frame)
{
int area = Area;
int width = Width;
int height = Height;
var sbuffer = Buffer;
var dbuffer = frame.Buffer;
if (GPU != null)
{
GPU.For(0, Length, n =>
{
int c = (int)(n / area);
int i = n - c * area;
int y = (int)(i / width);
int x = i - y * width;
dbuffer[c][x, y] = sbuffer[c][x, y];
});
}
else
{
for (int n = 0; n < Length; n++)
{
int c = (int)(n / area);
int i = n - c * area;
int y = (int)(i / width);
int x = i - y * width;
dbuffer[c][x, y] = sbuffer[c][x, y];
}
}
}
public double Loss(BufferField target)
{
int area = Area;
int width = Width;
int height = Height;
var sb = Buffer;
var tb = target.Buffer;
var diff = new double[Length];
if (GPU != null)
{
GPU.For(0, Length, n =>
{
int c = (int)(n / area);
int i = n - c * area;
int y = (int)(i / width);
int x = i - y * width;
diff[n] = DeviceFunction.Abs(sb[c][x, y] - tb[c][x, y]);
});
}
return(diff.Sum() / Area);
}
public BufferField Congruence()
{
var f = new BufferField(GPU, Width, Height, Channels);
return(f);
}