PERCEPTION OF AGE IN ADULT CAUCASIAN MALE FACES - COMPUTER GRAPHIC MANIPULATION OF SHAPE AND COLOR INFORMATION
PERCEPTION OF AGE IN ADULT CAUCASIAN MALE FACES - COMPUTER GRAPHIC MANIPULATION OF SHAPE AND COLOR INFORMATION
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DOI：
10.1098/rspb.1995.0021
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发表时间：
1995-02-22
影响因子：
4.7
通讯作者：
PERRETT, DI
中科院分区：
文献类型：
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作者：
BURT, DM;PERRETT, DI
本研究通过使用融合了多张面孔的形状和颜色信息的面部合成图来研究年龄的视觉线索。基线测量表明，成年男性面孔的感知年龄平均是他们在20-60岁年龄范围内的实际年龄的准确指数。合成图像是由不同面部的多张图像通过平均面部形状，然后在可比像素上混合红色，绿色和蓝色强度（RGB颜色）制成的。这些合成或混合图像的感知年龄取决于组成面部的年龄段。然而，混合面孔的评级比其组成面孔年轻，这一趋势随着组成年龄的增加而变得更加明显。所使用的技术提供了一个经验定义的面部变化与年龄的生物学上一致的样本人群。通过夸大每个像素相对于年轻面孔的RGB颜色差异，增加了老年面孔混合的感知年龄。这种对感知年龄的影响并不归因于增强的对比度或色彩饱和度。从年轻和年老面孔的混合物之间的差异定义的与年龄相关的视觉线索被应用到个人的脸。这些转变增加了感知年龄。
This study investigated visual cues to age by using facial composites which blend shape and colour information from multiple faces. Baseline measurements showed that perceived age of adult male faces is on average an accurate index of their chronological age over the age range 20-60 years. Composite images were made from multiple images of different faces by averaging face shape and then blending red, green and blue intensity (RGB colour) across comparable pixels. The perceived age of these composite or blended images depended on the age bracket of the component faces. Blended faces were, however, rated younger than their component faces, a trend that became more marked with increased component age. The techniques used provide an empirical definition of facial changes with age that are biologically consistent across a sample population. The perceived age of a blend of old faces was increased by exaggerating the RGB colour differences of each pixel relative to a blend of young faces. This effect on perceived age was not attributable to enhanced contrast or colour saturation. Age-related visual cues defined from the differences between blends of young and old faces were applied to individual faces. These transformations increased perceived age.