Some Hybrid Images
John Oberlin
09/25/2011

Concept


Recall the Fourier Transform and how we might represent an image in the frequency domain.

When detectable, high frequency, short wavelength components will dominate the perception of a signal.

At a distance, however, only low frequency, long wavelength components will be detectable.



One can exploit these two facts to create two main optical illusions.


Composite images to be viewed at a single scale.

Metamorphic images to be viewed at multiple scales, usually 2.




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