927843.fig.0015a
(a)
927843.fig.0015b
(b)
927843.fig.0015c
(c)
Figure 15: (a) Comparison of the red channel histograms between the reference image and the image with shade of blush. (b) Comparison of the green channel histograms between the reference image and the image with shade of blush. (c) Comparison of the blue channel histograms between the reference image and the image with shade of blush.