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Table 1 Summary of the directional characteristics of recognition performance (distance d=5 m)

From: Directional characteristics evaluation of silhouette-based gait recognition

Vertical angle Horizontal angle
  α=0° α=90° α=180°
  (front) (side) (back)
θ=0° (horizontal view) 2.40 2.75 2.56
θ=50° 5.50 3.34 2.75
θ=90° (top view) 6.53 3.44 6.52