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Table 2 Influence of the proposed architectural decisions on the detection network efficiency

From: Traffic flow estimation with data from a video surveillance camera

  Baseline   Overall gain
Mask branch  
Anchors optimization  
Focal loss  
Adaptive feature pooling  
\(AP^{bb}\) 57.3 58.2 58.4 58.9 59.2 +1.9
\(AP^{bb}_{50}\) 79.0 79.7 79.7 79.7 80.3 +1.3
\(AP^{bb}_{75}\) 67.5 68.8 68.9 69.4 70.0 +2.5
\(AP^{segm}\) 56.1 56.4 56.7 57.2 +1.1
\(AP^{segm}_{50}\) 78.9 79.4 79.5 80.2 +1.3
\(AP^{segm}_{75}\) 68.0 69.2 68.8 69.1 +1.1
  1. Italic values indicate the performance gain relative to the Faster R-CNN baseline when applying all the proposed improvements