this normalization, $\alpha = \beta = \frac{1}{3}$ works well and is used in all experiments.

Joint Training and Testing
--------------------------

[1.25]{}

  Method                      mAP        aero       bike       bird       boat       bottle     bus        car        cat        chair      cow        table      dog        horse      mbike      person     plant      sheep      sofa       train          tv
  --------------------------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ----------
  Fast R-CNN[@frcnn]          70.0       77.0       78.1       69.3       59.4       38.3       81.6       78.6       86.7       42.8       78.8       68.9       84.7       82.0       76.6       69.9       31.8       70.1       74.8       80.4          70.4
  Faster R-CNN[@fasterrcnn]   73.2       76.5       79.0       70.9       65.5       52.1       83.1       84.7       86.4       52.0       **81.9**   65.7       84.8       84.6       77.5       76.7       38.8       73.6       73.9       83.0          72.6
  SSD300[@ssd]                72.1       75.2       79.8       70.5       62.5       41.3       81.1       80.8       86.4       51.5       74.3       72.3       83.5       84.6       80.6       74.5       46.0       71.4       73.8       83.0          69.1
  SSD500[@ssd]                75.1       79.8       79.5       74.5       63.4       51.9       84.9       **85.6**   87.2       56.6       80.1       70.0       85.4       84.9       80.9       78.2       49.0       **78.4**   72.4       84.6          75.5
  RON320                      74.2       75.7       79.4       74.8       66.1       53.2       83.7       83.6       85.8       55.8       79.5       69.5       84.5       81.7       83.1       76.1       49.2       73.8       75.2       80.3          72.5
  RON384                      75.4       78.0       82.4       76.7       67.1       56.9       85.3       84.3       86.1       55.5       80.6       71.4       84.7       84.8       82.4       76.2       47.9       75.3       74.1       83.8          74.5
  RON320++                    