A comparison of natural-image-based models of simple-cell coding.
Models such as that of Olshausen and Field (OandF, 1997 Vision Research 37 3311-3325) and principal components analysis (PCA) have been used to model simple-cell receptive fields, and to try to elucidate the statistical principles underlying visual coding in area V1. They connect the statistical structure of natural images with the statistical structure of the coding used in V1. The OandF model has created particular interest because the basis functions it produces resemble the receptive fiel...Expand abstract
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