Optical Illusions (CSC 490 Winter 2010)

Karan Singh

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Warning lights

http://www.michaelbach.de/ot/mot_sam/index.html

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Warning lights

http://www.michaelbach.de/ot/mot_sam/index.html

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Agenda

• Gestalt and Hidden Imagery

• NPR

• Luminance, Contrast and Colour

• Geometry and Shape

• Space, Size and Perspective

• Faces

• Motion & Time

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Gestalt (Emergence)

http://graphics.stanford.edu/~niloy/research/emergence/emergence_image_siga_09.html

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Gestalt (Emergence)

http://graphics.stanford.edu/~niloy/research/emergence/emergence_image_siga_09.html

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NPR (String Art)

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LCC (Hybrid Images)

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LCC (Hybrid Images)

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LCC (Hybrid Images)

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LCC (Hybrid Images)

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Geometry and Shape (Necker Cube)

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Space and Perspective

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Faces (Thatcherization)

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Faces (Thatcherization)

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Motion and Time (Edges to Moonwalks)