Extraction of perceptually salient contours by striate cortical networks

  title={Extraction of perceptually salient contours by striate cortical networks},
  author={Shih-Cheng Yen and Leif H. Finkel},
  journal={Vision Research},
We present a cortical-based model for computing the perceptual salience of contours embedded in noisy images. It has been suggested that horizontal intra-cortical connections in primary visual cortex may modulate contrast detection thresholds and pre-attentive "pop-out". In our model, horizontal connections mediate context-dependent facilitatory and inhibitory interactions among oriented cells. Strongly facilitated cells undergo temporal synchronization; and perceptual salience is determined by… CONTINUE READING
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