adapt default area ranges to be similar to detection metrics

PanopticQuality.py

@@ -82,7 +82,10 @@ class PQMetric(evaluate.Metric):
         stuff: List[str] = None,
         per_class: bool = True,
         split_sq_rq: bool = True,
-        area_rng: List[Tuple[float]] = [(0, 1e8)],
+        area_rng: List[Tuple[float]] = [(0, 1e5**2),
+                                        (0**2, 6**2),
+                                        (6**2, 12**2),
+                                        (12**2, 1e5**2)],
         **kwargs
     ):
         super().__init__(**kwargs)