unsigned int HaarDetector::search_faces()
{
clear_detected_objects();
//debug out only
for (unsigned int i = 0; i < (unsigned int)m_object_maps.size(); i++) {
ObjectMap* pom = m_object_maps[i];
pom->get_tmp_object_map().copy(pom->get_object_map());
}
//debug out only
ObjectMap* pom = 0;
int tmpx = 0, tmpy = 0;
unsigned int x = 0, y = 0, index = 0;
float max = 0.0f, tmpmx = 0.0f;
while (true) {
float max = -FLT_MAX;
index = 0;
for (unsigned int i = 0; i < (unsigned int)m_object_maps.size(); i++) {
pom = m_object_maps[i];
unsigned int dx = pom->get_object_width() / 2;
unsigned int dy = pom->get_object_height() / 2;
pom->get_object_map().max_val(tmpmx, tmpx, tmpy, 5, 5, dx, dy);
if (tmpmx > max) {
index = i;
max = tmpmx;
x = tmpx;
y = tmpy;
}
}
pom = m_object_maps[index];
if (max > detection_sensitivity()) {
unsigned int w2 = pom->get_object_width() / 2;
unsigned int h2 = pom->get_object_height() / 2;
Rect rect;
rect.left = x - w2;
rect.top = y - h2;
rect.right = x + w2;
rect.bottom = y + h2;
ObjRect obj_rect;
obj_rect.rect = rect;
obj_rect.x = x;
obj_rect.y = y;
obj_rect.radius = sqrt(pow(float(w2), 2.0f) + pow(float(h2), 2.0f));
if (is_foundobject_overlaps(obj_rect) == false) {
obj_rect.object = new vec2Di(pom->get_object_height(), pom->get_object_width());
obj_rect.object->copy(*m_pimage, x - w2, y - h2);
m_detected_objects.push_back(obj_rect);
erase_object_rect(rect); //erase found face region [left, right)
} else {
erase_object_rect(x, y);
}
}
else
break;
}
return (unsigned int)m_detected_objects.size();
}
void HaarDetector::erase_object_rect(unsigned int x, unsigned int y)
{
for (unsigned int i = 0; i < (unsigned int)m_object_maps.size(); i++) {
ObjectMap* pom = m_object_maps[i];
RECT zr;
zr.left = x - 2;
zr.top = y - 2;
zr.right = x + 3;
zr.bottom = y + 3;
pom->get_object_map().set(0.0f, zr);
}
}
void HaarDetector::erase_object_rect(const Rect& r)
{
RECT zr;
zr.left = r.left;
zr.top = r.top;
zr.right = r.right + 1;
zr.bottom = r.bottom + 1;
for (unsigned int i = 0; i < (unsigned int)m_object_maps.size(); i++) {
ObjectMap* pom = m_object_maps[i];
pom->get_object_map().set(0.0f, zr);
}
}