[MaskRCNN] update bbox reg weights

examples/FasterRCNN/config.py

@@ -172,7 +172,7 @@ _C.RPN.TEST_PER_LEVEL_NMS_TOPK = 1000
 
 # fastrcnn training ---------------------
 _C.FRCNN.BATCH_PER_IM = 512
-_C.FRCNN.BBOX_REG_WEIGHTS = [10., 10., 5., 5.]  # Better but non-standard setting: [20, 20, 10, 10]
+_C.FRCNN.BBOX_REG_WEIGHTS = [20., 20., 10., 10.]  # Detectron: 10, 10, 5, 5
 _C.FRCNN.FG_THRESH = 0.5
 _C.FRCNN.FG_RATIO = 0.25  # fg ratio in a ROI batch