fix (get_cls_results): use np.empty for empty bbox rather than np.arr…

…ary (#2116)
open-mmlab · Feb 19, 2020 · 1f4177b · 1f4177b
1 parent c0ac99e
commit 1f4177b
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/mmdet/core/evaluation/mean_ap.py b/mmdet/core/evaluation/mean_ap.py
@@ -258,7 +258,7 @@ def get_cls_results(det_results, annotations, class_id):
             ignore_inds = ann['labels_ignore'] == (class_id + 1)
             cls_gts_ignore.append(ann['bboxes_ignore'][ignore_inds, :])
         else:
-            cls_gts_ignore.append(np.array((0, 4), dtype=np.float32))
+            cls_gts_ignore.append(np.empty((0, 4), dtype=np.float32))
 
     return cls_dets, cls_gts, cls_gts_ignore