public static void combine_segmentations(ref Intarray dst, Intarray src)
{
dst.SameDims(src);
int n = NarrayUtil.Max(dst) + 1;
for (int i = 0; i < dst.Length1d(); i++)
{
dst.Put1d(i, (dst.At1d(i) + src.At1d(i) * n));
}
ImgLabels.renumber_labels(dst, 1);
}
/// <summary>
/// Extract the masked character from the source image/source
/// feature map.
/// </summary>
void extractMasked <T>(Narray <T> outa, Bytearray outmask, Narray <T> source, int index, int grow = 0)
{
if (!labels.SameDims(source))
{
throw new Exception("ASSERT: labels.SameDims(source)");
}
Rect r;
GetMask(out r, ref outmask, index, grow);
int x = r.x0, y = r.y0, w = r.Width(), h = r.Height();
outa.Resize(w, h);
outa.Fill(0);
for (int i = 0; i < w; i++)
{
for (int j = 0; j < h; j++)
{
if (outmask[i, j] > 0)
{
outa[i, j] = source[i + x, j + y];
}
}
}
}