public override T Accumulate(AccumulationState <T> state)
{
var kcp = Convolution.GetKernelCenterPoint(state.Kernel);
var ksum = Convolution.GetKernelSum(state.Kernel);
var acc = default(T);
if (state.ImageRow < kcp.Item1 || state.ImageRow >= (state.Image.RowCount - kcp.Item1))
{
return(acc);
}
if (state.ImageColumn < kcp.Item2 || state.ImageColumn >= (state.Image.ColumnCount - kcp.Item2))
{
return(acc);
}
for (var rk = -kcp.Item1; rk <= +kcp.Item1; rk++)
{
for (var ck = -kcp.Item2; ck <= +kcp.Item2; ck++)
{
var w = state.Kernel[kcp.Item1 + rk, kcp.Item2 + ck] / ksum;
acc = this.accumulate(acc, state.Image[state.ImageRow + rk, state.ImageColumn + ck], w);
}
}
return(acc);
}
public override T Accumulate(AccumulationState <T> state)
{
var kcp = Convolution.GetKernelCenterPoint(state.Kernel);
var ksum = Convolution.GetKernelSum(state.Kernel);
var acc = default(T);
for (var rk = -kcp.Item1; rk <= +kcp.Item1; rk++)
{
for (var ck = -kcp.Item2; ck <= +kcp.Item2; ck++)
{
T b;
if (state.ImageRow + rk < 0 || state.ImageRow + rk >= state.Image.RowCount)
{
b = state.Image[state.ImageRow - rk, state.ImageColumn];
}
else if (state.ImageColumn + ck < 0 || state.ImageColumn + ck >= state.Image.ColumnCount)
{
b = state.Image[state.ImageRow, state.ImageColumn - ck];
}
else
{
b = state.Image[state.ImageRow + rk, state.ImageColumn + ck];
}
var w = state.Kernel[kcp.Item1 + rk, kcp.Item2 + ck] / ksum;
acc = this.accumulate(acc, b, w);
}
}
return(acc);
}
public override T Accumulate(AccumulationState <T> state)
{
var kcp = Convolution.GetKernelCenterPoint(state.Kernel);
var ksum = Convolution.GetKernelSum(state.Kernel);
var acc = default(T);
for (var rk = -kcp.Item1; rk <= +kcp.Item1; rk++)
{
for (var ck = -kcp.Item2; ck <= +kcp.Item2; ck++)
{
var rt = state.ImageRow + rk;
var ct = state.ImageColumn + ck;
if (rt < 0)
{
rt = state.Image.RowCount + rk;
}
if (rt >= state.Image.RowCount)
{
rt = rk;
}
if (ct < 0)
{
ct = state.Image.ColumnCount + ck;
}
if (ct >= state.Image.ColumnCount)
{
ct = ck;
}
var w = state.Kernel[kcp.Item1 + rk, kcp.Item2 + ck] / ksum;
acc = this.accumulate(acc, state.Image[rt, ct], w);
}
}
return(acc);
}