Sparse coding with an overcomplete basis set: A strategy employed by V1?

  title={Sparse coding with an overcomplete basis set: A strategy employed by V1?},
  author={B. Olshausen and D. Field},
  journal={Vision Research},
  • B. Olshausen, D. Field
  • Published 1997
  • Medicine, Psychology
  • Vision Research
  • The spatial receptive fields of simple cells in mammalian striate cortex have been reasonably well described physiologically and can be characterized as being localized, oriented, and bandpass, comparable with the basis functions of wavelet transforms. Previously, we have shown that these receptive field properties may be accounted for in terms of a strategy for producing a sparse distribution of output activity in response to natural images. Here, in addition to describing this work in a more… CONTINUE READING
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