def _get_rect_tensor_descs_no_overlap(self, rect, window_rect, factor):
assert isinstance(rect, Rect)
assert isinstance(window_rect, Rect)
window_size = window_rect.height()
map_size = window_size >> (factor + self.num_poolings)
edge = window_size / map_size
center = rect.center()
sx = int(center.x - window_rect.left)
sy = int(center.y - window_rect.top)
x = int(sx / edge)
y = int(sy / edge)
res = []
for dx in range(-3, 3):
for dy in range(-2, 2):
wx = x + dx
wy = y + dy
if 0 <= wx and wx < map_size and 0 <= wy and wy < map_size:
# window coord
wrect = Rect(wx * edge, wy * edge, (wx + 1) * edge, (wy + 1) * edge)
# img coord
wrect.move(window_rect.top, window_rect.left)
i = wrect.intersection(rect)
if i.valid(): #self._check_rect(rect, wrect):
# img coord
#i = wrect.intersection(rect)
qual_out = i.area() / float(wrect.area())
# if qual_out <= 0:
# print rect ,wrect, i
# window coord
i.move(-wrect.top, -wrect.left)
# window 0..1 coord
i.stretch(1.0 / wrect.height(), 1.0 / wrect.width())
if qual_out > 0.01:
res.append((wy, wx, i.left, i.top, i.right, i.bottom, qual_out))
return res
