Optical Illusions (CSC 490 Winter 2010)karan/courses/csc490/winter... · 4 Agenda • Gestalt and Hidden Imagery •NPR • Luminance, Contrast and Colour • Geometry and Shape •

Optical Illusions (CSC 490 Winter 2010)

Karan Singh

2

Warning lights

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

3

Warning lights

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

4

Agenda

• Gestalt and Hidden Imagery

• NPR

• Luminance, Contrast and Colour

• Geometry and Shape

• Space, Size and Perspective

• Faces

• Motion & Time

5

Gestalt (Emergence)

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

6

Gestalt (Emergence)

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

7

NPR (String Art)

8

LCC (Hybrid Images)

9

LCC (Hybrid Images)

10

LCC (Hybrid Images)

11

LCC (Hybrid Images)

12

Geometry and Shape (Necker Cube)

13

Space and Perspective

14

Faces (Thatcherization)

15

Faces (Thatcherization)

16

Motion and Time (Edges to Moonwalks)