Appearance of colored patterns: pattern-color separability.

  title={Appearance of colored patterns: pattern-color separability.},
  author={Allen Poirson and Brian A. Wandell},
  journal={Journal of the Optical Society of America. A, Optics, image science, and vision},
  volume={10 12},
We have measured how color appearance of square-wave bars varies with stimulus strength and spatial frequency. Observers adjusted the color of a uniform patch to match the color appearance of the bars in square-wave patterns. We used low-to-moderate square-wave patterns, from 1 to 8 cycles per degree (c/deg). The matches are not photoreceptor matches but rather are established at more central neural sites. The signals at the putative central sites obey several simple regularities. The cone… CONTINUE READING
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