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. Author manuscript; available in PMC: 2021 Aug 20.
Published in final edited form as: Nat Neurosci. 2018 Dec 10;22(1):15–24. doi: 10.1038/s41593-018-0284-0

Figure 3: Beyond-pairwise statistics contribute to complex structure in natural images.

Figure 3:

Top row: Two grayscale natural images. Middle row: The natural images above with randomized phase spectra. Both of these images have the roughly 1/f2 spatial power spectrum characteristic of natural images, yet appear quite unnatural. Bottom row: The natural images with their phase spectra swapped, such that the image on the left now has the phase spectrum of the original image on the right, and vice-versa. See (Simoncelli and Olshausen, 2001; Thomsom, 1999).