Research Article

A Novel Two-Stage Illumination Estimation Framework for Expression Recognition

Table 2

Illumination estimation performance under certain poses (1st row indicates pan angle; 1st column indicates tilt angle).

Angle30°60°

−40°92.22%/91.59%93.60%/94.23%92.01%/90.38%
−20°94.35%/92.67%92.07%/93.60%93.90%/92.07%
97.39%/96.88%96.94%/96.51%95.10%/93.99%
20°90.53%/89.54%90.99%/90.87%88.43%/88.46%
40°82.48%/82.57% 80.38%/81.01%73.23%/72.84%