Human Symmetry Perception
and its Computational Analysis

Introduction

Human symmetry perception
C.W. Tyler

Why study symmetry perception?
Methods for studying symmetry perception
Neural representation of symmetry
Properties of a perceptual encoding hierarchy

Bifold reflective symmetry in fractal noise.

Bilateral animal symmetry on zebra hides.
Note that the phase symmetry is not always maintained on tails, legs, etc.

Plant symmetry. A maple leaf exhibits repetition symmetry, mirror symmetry and size-scaled symmetry.

Microscopic plankton exhibit accurate radial and other symmetries.

Spiral symmetry in a sunflower head.

Symmetry of human construction: an art deco door.


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