Hand art & Shadow art illusion


An optical illusion (also called a visual illusion) is characterized by visually perceived images that differ from objective reality. The information gathered by the eye is processed in the brain to give a perception that does not tally with a physical measurement of the stimulus source.
There are three main types:
literal optical illusions that create images that are different from the objects that make them, physiological illusions that are the effects of excessive stimulation of a specific type (brightness, colour, size, position, tilt, movement), and cognitive illusions, the result of unconscious inferences. Pathological visual illusions arise from a pathological exaggeration in physiological visual perception mechanisms causing the aforementioned types of illusions.
Optical illusions are often classified into categories including the physical and the cognitive or perceptual, and contrasted with optical hallucinations. (Wikipedia)
Including Ponzo, Jastrow, Muller-Lye, Zollner, Poggendorff, Hering, Wundt, Orbison, Ehrenstein and Ames Room illusion.
Including The aperture problem, Barberpole illusion, Roget's ‘Palisade’ Illusion and Wagon-wheel effect.
3D Illusion Art
3D street art
Pavement Art
Including "Street Painting", "Pavement Art", "Chalk Art" or "Sidewalk Art".
3D Pencil Art
Pencil 3D Illusion
3D computer art
3D computer graphics
3D artworks
3D crafts
 
Optical illusion video #1
Optical illusion video #2
10 Best Optical Illusions of 2014
Optical illusion #1
Optical illusion #3
Optical illusion #4