色彩画像処理による顔色の分析と合成(機械力学,計測,自動制御)

概要

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The natural color of five representative areas of the human face, the lip, brow, nose, left cheek and right cheek, is analyzed using HSV (hue, saturation, value) color space which is fitted with human color sense. From the relationships among the HSV parameters of these areas, it is found that the hue of the lip is not correlated with that of the other areas. This suggests that the hue of the lip in a virtual face image can be treated independently from other facial colors. Then a virtual facial color image is synthesized using the average of facial colors in HSV color space, determined from 64 males. On the basis of the difference in color of each pixel between the averaged face image and an individual one, a method for emphasizing the individual characteristics in facial color is proposed and the effectiveness of the method is demonstrated through sensory evaluation by paired comparison of enhanced virtual face images.
一般社団法人日本機械学会の論文
1997-04-25