505974.fig.006a
(a)
505974.fig.006b
(b)
505974.fig.006c
(c)
505974.fig.006d
(d)
Figure 6: Typical photos that are hard for age estimation. (a) Actual age: 23, estimated mean: 49. (b) Actual age: 16, estimated mean: 34. (c) Actual age: 17, estimated mean: 37. (d) Actual age: 32, estimated mean: 56.