Human Visual Perception in Computer Graphics

Ambiguous video

The Bust

This ambiguous video of the author's bust demonstrates an interpretive essence of human vision.
The objects we perceive are just an interpretations based on the structure of images...

Spinning Lady

Does the spinning lady appear to be circling in a clockwise or counter-clockwise motion to you?
Try to concentrate a bit to change the course of motion.
Human visual system has to build up a 3D representation out of 2D data, but in many cases this process is ambiguous.


[1]   Human Perception and Computer Graphics, Postgraduate Study Report,
Czech Technical University in Prague, 2004.

[2]   Visual Perception, Lecture on Visual Perception, Visual Illusions, etc. CVUT, AMU, UMPRUM, 2005.

[3]   lottolab.

[4]   perception web.

[5]   Lightness Perception and Lightness Illusions by Edward H. Adelson.

[6]   Illusion forum Visual illusions.

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