An example of the glare illusion used in the experiment. A previous study has reported that the central region surrounded by eight circles is perceived to be brighter in the left image (with a ...

Lightness perception, the visual system’s ability to maintain a stable representation of surface reflectance despite varying illumination, has long intrigued researchers. Central to this field is the ...

Research shows that a certain kind of visual illusion, neon color spreading, works on mice. The study is also the first to combine the use of two investigative techniques called electrophysiology and ...

Everyone with good vision knows the difference between a bright and dark day. In a bright day, the sky forms a homogeneous blue surface that can reflect as much as 30,000 cd/m 2 of light whereas, in a ...

A team at Los Alamos National Laboratory has completed a mathematical framework for human color perception that Nobel Prize-winning physicist Erwin Schrodinger first sketched more than a century ago.

Scientists have shown that people are able to tell apart morning from evening depictions in paintings using simple and subtle color clues in the image. Scientists have shown that people are able to ...