void YARPBlobFinder::RemoveNonValid (void)
{
const int max_size = m_lp.GetSize() * m_lp.GetSize() / 8;
const int min_size = 100;
for (int i = 1; i < m_last_tag;)
{
int area = TotalArea (m_boxes[i]);
if (m_boxes[i].valid == false ||
m_boxes[i].total_pixels < 5 ||
area < min_size ||
area > max_size)
{
if (i == (m_last_tag-1))
m_last_tag--;
else
{
memcpy (&(m_boxes[i]), &(m_boxes[i+1]), sizeof(YARPBox) * (m_last_tag - i - 1));
m_last_tag--;
}
}
else
i++;
}
}
void Cmd_TextureMix()
{
miptex32_t *qtex32;
char filename[1024];
int size;
InitVars();
GetScriptToken (false);
strcpy(root, token);
RemoveExt(root);
RemoveLeading(root);
strcpy(filename, ExpandPathAndArchive(token));
if (SetVars(filename))
{
// Create combined texture
percent = ((TotalArea() * 100) / (out.w * out.h));
printf("Total area consumed : %d%%\n", percent);
printf("Texture resolution : %dx%d pixels.\n", xcharsize, ycharsize);
CreateMain();
// Save image as m32
sprintf (filename, "%spics/misc/%s.m32", gamedir, out.name);
qtex32 = CreateMip32((unsigned *)outpixels, out.w, out.h, &size, false);
qtex32->contents = 0;
qtex32->value = 0;
qtex32->scale_x = 1.0;
qtex32->scale_y = 1.0;
sprintf (qtex32->name, "misc/%s", out.name);
printf ("\n\nwriting %s\n", filename);
SaveFile (filename, (byte *)qtex32, size);
free (qtex32);
// Save out script file
sprintf (filename, "%spics/misc/%s.fnt", gamedir, outscript);
printf("Writing %s as script file\n", filename);
if (!SaveScript(filename))
{
printf("Unable to save output script.\n");
}
}
printf("Everythings groovy.\n");
Cleanup();
}
void YARPBlobFinder::PrintBoxes (YARPBox *m_boxes, int size)
{
for (int i = 0; i < size; i++)
{
printf ("box : %d\n", i);
if (m_boxes[i].valid)
{
printf ("area : %d\n", TotalArea (m_boxes[i]));
printf ("cmin, cmax : %d %d\n", m_boxes[i].cmin, m_boxes[i].cmax);
printf ("rmin, rmax : %d %d\n", m_boxes[i].rmin, m_boxes[i].rmax);
printf ("xmin, xmax : %d %d\n", m_boxes[i].xmin, m_boxes[i].xmax);
printf ("ymin, ymax : %d %d\n", m_boxes[i].ymin, m_boxes[i].ymax);
printf ("total_sal : %d\n", m_boxes[i].total_sal);
printf ("total_pix : %d\n", m_boxes[i].total_pixels);
printf ("sx, sy : %d %d\n", m_boxes[i].xsum, m_boxes[i].ysum);
}
}
}
void YARPBlobFinder::_apply(const YARPGenericImage& is, YARPGenericImage& id)
{
// hsv_enhanced is already filled out.
m_last_tag = SpecialTagging (m_tagged, m_hsv_enhanced);
// I've got the tagged image now.
assert (m_last_tag <= MaxBoxesBlobFinder);
//printf ("last_tag is %d\n", m_last_tag);
const int w = is.GetWidth ();
const int h = is.GetHeight ();
for(int i = 0; i <= m_last_tag; i++)
{
m_boxes[i].cmax = m_boxes[i].rmax = 0;
m_boxes[i].cmax = m_boxes[i].rmax = 0;
m_boxes[i].cmin = w;
m_boxes[i].rmin = h;
m_boxes[i].xmax = m_boxes[i].ymax = 0;
m_boxes[i].xmin = m_boxes[i].ymin = m_lp.GetSize();
m_boxes[i].total_sal = 0;
m_boxes[i].total_pixels = 0;
m_boxes[i].xsum = m_boxes[i].ysum = 0;
m_boxes[i].valid = false;
}
// special case for the null tag (0)
m_boxes[0].rmax = m_boxes[0].rmin = h/2;
m_boxes[0].cmax = m_boxes[0].cmin = w/2;
m_boxes[0].xmax = m_boxes[0].xmin = m_lp.GetSize() / 2;
m_boxes[0].ymax = m_boxes[0].ymin = m_lp.GetSize() / 2;
m_boxes[0].valid = true;
// build all possible bounding boxes out of the tagged image.
// pixels are logpolar, averaging is done in cartesian.
unsigned char *source = (unsigned char *)m_hsv_enhanced.GetArray()[0]; // Hue.
short *tmp = m_tagged;
for(int r = 0; r < h; r++)
for(int c = 0; c < w; c++)
{
short tag_index = *tmp++;
if (tag_index != 0)
{
m_boxes[tag_index].total_pixels++;
// the saliency here is the average hue.
m_boxes[tag_index].total_sal += *source;
source += 3;
m_boxes[tag_index].valid = true;
// x,y.
double x, y;
m_lp.Lp2Cart (double(c), double(r), x, y);
if (m_boxes[tag_index].ymax < int(y)) m_boxes[tag_index].ymax = int(y);
if (m_boxes[tag_index].ymin > int(y)) m_boxes[tag_index].ymin = int(y);
if (m_boxes[tag_index].xmax < int(x)) m_boxes[tag_index].xmax = int(x);
if (m_boxes[tag_index].xmin > int(x)) m_boxes[tag_index].xmin = int(x);
if (m_boxes[tag_index].rmax < r) m_boxes[tag_index].rmax = r;
if (m_boxes[tag_index].rmin > r) m_boxes[tag_index].rmin = r;
if (m_boxes[tag_index].cmax < c) m_boxes[tag_index].cmax = c;
if (m_boxes[tag_index].cmin > c) m_boxes[tag_index].cmin = c;
m_boxes[tag_index].ysum += int(y);
m_boxes[tag_index].xsum += int(x);
}
}
RemoveNonValid ();
MergeBoxes (); //further clustering not needed.
// merge boxes which are too close.
// statically. Clearly this procedure could be more effective
// if it takes time into account.
// LATER: update also the logpolar coordinates during
// the merger of the boxes.
int max_tag, max_num;
// create now the subset of attentional boxes.
for (int box_num = 0; box_num < MaxBoxes; box_num++)
{
// find the most frequent tag, zero does not count
max_tag = max_num = 0;
for(int i = 1; i < m_last_tag; i++)
{
int area = TotalArea (m_boxes[i]);
if (area > max_num && m_boxes[i].total_pixels > 0)
//if(m_boxes[i].total_pixels > max_num)
{
max_num = area; //m_boxes[i].total_pixels;
max_tag = i;
}
}
if (max_tag != 0)
{
// compute saliency of region.
// it cannot be done here.
m_attn[box_num] = m_boxes[max_tag];
m_attn[box_num].valid = true;
m_attn[box_num].centroid_y = m_boxes[max_tag].ysum / max_num;
m_attn[box_num].centroid_x = m_boxes[max_tag].xsum / max_num;
m_boxes[max_tag].total_pixels = 0;
}
else
{
// no motion, return the center
m_attn[box_num].valid = false;
m_attn[box_num].centroid_x = m_lp.GetSize() / 2;
m_attn[box_num].centroid_y = m_lp.GetSize() / 2;
}
}
//PrintBoxes (m_attn, MaxBoxes);
// I've here MaxBoxes boxes accounting for the largest
// regions in the image.
// remember that there's a bias because of logpolar.
// destination image is not changed.
// should I store the result of the tagging process?
}