public Image <T> Downsample(Image <T> source)
{
Image <T> half = new Image <T>(source.Xs / 2, source.Ys);
for (int y = 0; y < source.Ys; y++)
{
half.Rows[y] = sampler.Downsample(source.Rows[y]);
}
Image <T> quarter = new Image <T>(source.Xs / 2, source.Ys / 2);
for (int x = 0; x < source.Xs / 2; x++)
{
quarter.Columns[x] = sampler.Downsample(half.Columns[x]);
}
return(quarter);
}
public void Downsample_test()
{
Assert.That(dirichletSampler.Downsample(array), Is.EqualTo(digitalSampler.Downsample(array)).Within(1E-15));
}
public void Downsample_preserves_constant_array()
{
Assert.That(linear2.Downsample(constant), Is.EqualTo(shortConstant));
}
