Role of second-and third-order statistics in the discriminability of natural images

  title={Role of second-and third-order statistics in the discriminability of natural images},
  author={Mitchell G. A. Thomson and David H. Foster},
Several studies of natural-image statistics have concluded that the majority of structural image information is represented in the Fourier domain not by the power spectrum, which can be modeled with a power function of spatial frequency, but by the phase spectrum. Psychophysical experiments are described in which human observers were required to discriminate between visual stimuli differing only in their global second-order statistics. The patterns of sensitivity recorded were found to depend… CONTINUE READING
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