The transparent box illusion provides important insights into the illusion of three dimensional form

The Chevreul Effect is the same regardless of size. This is a clue to the amazing complexity of our visual processing.

Brilliance can be created by placing a focal bright object on a background luminance gradient.

Your photoreceptors inhibit their neighbors when stimulated. This enhances detection of line, edge, and contour.

Afterimages, when combined with saccadic motion of the eyes, greatly increase the detection of edge and line.

This is the fifth in a series of posts on Visual Processing. The blog post Don't Pay Attention to This is useful background...

If it isn't changing, it's disappearing. Troxler Fading is one of the stranger things our visual system does.

This is the second in a series of posts on visual processing and art. Please review the post Line and Contour Enhancement for background....