A Contrast Sensitive Silicon Retina with Reciprocal Synapses

  title={A Contrast Sensitive Silicon Retina with Reciprocal Synapses},
  author={Kwabena Boahen and Andreas G. Andreou},
The goal of perception is to extract invariant properties of the underlying world. By computing contrast at edges, the retina reduces incident light intensities spanning twelve decades to a twentyfold variation. In one stroke, it solves the dynamic range problem and extracts relative reflectivity, bringing us a step closer to the goal. We have built a contrastsensitive silicon retina that models all major synaptic interactions in the outer-plexiform layer of the vertebrate retina using current… CONTINUE READING
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