Anisotropic local contrast normalization: The role of stimulus orientation and spatial frequency bandwidths in the oblique and horizontal effect perceptual anisotropies

@article{Hansen2006AnisotropicLC,
  title={Anisotropic local contrast normalization: The role of stimulus orientation and spatial frequency bandwidths in the oblique and horizontal effect perceptual anisotropies},
  author={Bruce C. Hansen and Edward A. Essock},
  journal={Vision Research},
  year={2006},
  volume={46},
  pages={4398-4415}
}
Visual ability for sine waves and other narrowband stimuli shows an oblique effect--worst performance at obliques, best at horizontal and vertical orientations. Recently, we have shown that with broadband stimuli (either 1/f(alpha) visual noise or natural scenes), performance for detecting oriented content is worst at horizontal, best at the obliques, and intermediate at vertical orientations (a "horizontal effect"). This horizontal effect has been explained by a cortical contrast normalization… CONTINUE READING
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Influence of scale and orientation on the visual perception of natural scenes

  • B. C. Hansen, E. A. Essock
  • Visual Cognition,
  • 2005
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