Gallery
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Checkerboard
Illusion
A
light check in the shadow is the same gray as a dark check
outside the shadow. |
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Motion,
Form, and Mid-Level Vision Tutorial
The
motion of the two bars to the left remains the same,
but the addition of the occluding frame causes the bars
to
appear
to move in a
circle. The Mid-Level Vision Tutorial contains similar
illusions that shed light on the interactions between
motion
and form. |
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Lightness
Perception and Lightness Illusions
This interactive tutorial demonstrates how lightness illusions
provide insights into the underlying mechanisms of the human
visual system. |
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Munker-White
Illusion
All
of the small blue bars are actually the same color.
The lightness differences you are experiencing are massive
illusions. |
Tutorials:
Lightness Perception and
Lightness Illusions, Motion,
Form, and Mid-level Vision, Fundamentals
of Image Processing.
Demonstrations: Perceptual
Grouping and Gelatinous Ellipses, Layered
Image Representation, Plenoptic
Camera.
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People
Principle Investigators
Edward
Adelson
Whitman Richards
Ruth Rosenholtz
Graduate Students
Aaron Andalman
Roland Fleming
YuanZhen Li
Ce Liu
Rajesh Kasturirangan
Josh McDermott
Lavanya Sharan
Marshall Tappen
Technical Assistant
Philip Meier
Affiliates
P. Anandan
Bart Anderson
Bill Freeman
Alumni
George Chou
Sofia Cavaco
Ujjaval Desai
Ron Dror
Hany Farid
Bill Freeman
Stephen Gilbert
Marianne Hardt
David Heeger
Josh McDermott
Jeanette Meng
Ram Nagarajan
William Neveitt
Sourabh Niyogi
Stijn Oomes
Tevya Rachelson
Constance Royden
Manish Singh
Pawan Sinha
Michael Sokolov
Eero Simoncelli
David Somers
Josh Tenenbaum
Raymond van Ee
John Wang
Yair Weiss
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News
Edward
Adelsonís group has devised a new set of visual illusions
that serve as tools for exploring the operations of lightness
perception. These experiments have exposed a set of mid-level
mechanisms operating with "mid-level" representations,
sensitive to statistical and configural aspects of an image. Dr.
David Somers used fMRI to show that visual attention can modulate
brain activity even in the first stages of visual processing in
area VI. Previously it had been thought that attentionís effects
would only be observed at higher levels of processing.
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Admissions
MIT Admissions Page,
Brain and Cognitive
Sciences Admissions Page, Perceptual
Science Group Admissions Page
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Classes
MIT courses taught by members of
the Perceptual Science Group.
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Events
Perceptual
Science Group Seminar Series, Brain
and Cognitive Sciences Event Calendar, Artificial
Intelligence Laboratory Events. MIT
Media Laboratory Events.
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