tutorials
Lightness Perception and Lightness Illusions
by Edward H. Adelson
This interactive tutorial demonstrates how lightness illusions provide insights into the underlying mechanisms of the human visual system.
Fundamentals of Image Processing
by Hany Farid
The fundamentals of image processing are presented within a unifying linear algebraic framework. Topics in 1-D and 2-D signal/image processing are covered.
demonstrations
- Layered Image Representation
by John Y.A. Wang
Describes a system for representing moving images with sets of overlapping layers. Plenoptic Camera by John Y.A. Wang A novel single lens camera that captures 3-D information.
Perceptual Grouping and Gelatinous Ellipses by Yair Weiss
Some demonstrations of the ambiguity of motion and our visual system's use of perceptual grouping in order to resolve this ambiguity.
illusions
Checkerboard Illusion by Edward H. Adelson
Demonstrates how the visual system uses several tricks to determine where shadows are and how to compensate for them. Munker-White Illusion by Bart Anderson
An illusion that demonstrates how the visual system can experience great lighting differences even when two elements are actually the same color.