Witzel Christoph, Racey Chris, O'Regan J Kevin
Laboratoire Psychologie de la Perception, CNRS UMR 8242, Université Paris Descartes, Paris, France Justus-Liebig-Universität Gießen, Gießen,
School of Psychology, University of Sussex, Brighton,
J Vis. 2017 Feb 1;17(2):1. doi: 10.1167/17.2.1.
Millions of Internet users around the world challenged science by asking why a certain photo of a dress led different observers to have surprisingly different judgments about the color of the dress. The reason this particular photo produces so diverse a variety of judgments presumably is that the photo allows a variety of interpretations about the illumination of the dress. The most obvious explanation from color science should be that observers have different implicit assumptions about the illumination in the photo. We show that the perceived color of the dress is negatively correlated with the assumed illumination along the daylight locus. Moreover, by manipulating the observers' assumptions prior to seeing the photo, we can steer how observers will see the colors of the dress. These findings confirm the idea that the perceived colors of the dress depend on the assumptions about the illumination. The phenomenon illustrates the power of unconscious inferences and implicit assumptions in perception.
世界各地数以百万计的互联网用户向科学提出了挑战，他们问道，为什么某张裙子的照片会让不同的观察者对裙子的颜色产生惊人的不同判断。这张特定照片产生如此多样判断的原因大概是，该照片允许对裙子的光照有多种解读。从颜色科学最明显的解释应该是，观察者对照片中的光照有不同的隐含假设。我们表明，裙子的感知颜色与沿日光轨迹的假设光照呈负相关。此外，通过在观察者看照片之前操纵他们的假设，我们可以引导观察者如何看待裙子的颜色。这些发现证实了裙子的感知颜色取决于对光照的假设这一观点。该现象说明了无意识推理和隐含假设在感知中的作用。
