Internal curvature signal and noise in low- and high-level vision.

  title={Internal curvature signal and noise in low- and high-level vision.},
  author={Timothy D. Sweeny and Marcia Grabowecky and Yee Joon Kim and Satoru Suzuki},
  journal={Journal of neurophysiology},
  volume={105 3},
How does internal processing contribute to visual pattern perception? By modeling visual search performance, we estimated internal signal and noise relevant to perception of curvature, a basic feature important for encoding of three-dimensional surfaces and objects. We used isolated, sparse, crowded, and face contexts to determine how internal curvature signal and noise depended on image crowding, lateral feature interactions, and level of pattern processing. Observers reported the curvature of… CONTINUE READING

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