Vision requires a reference frame. To what extent does this reference frame depend on the structure of the visual input, rather than just on retinal landmarks? This question is particularly relevant ...

We’re quickly approaching the return of Batman to the big screen. The Dark Knight has had a long history at the movies, and he shows no signs of stopping any time soon. Though it has been a few years ...

Seeing black, white and gray surfaces, called lightness perception, might seem simple because white surfaces reflect 90% of the light they receive while black surfaces reflect only 3%, and the human ...