title: What is the limit of redundancy reduction with divisive normalization?
abstract: Divisive normalization has been proposed as a nonlinear redundancy reduction mechanism capturing contrast correlations. Its basic function is a radial rescaling of the population response. Because of the saturation of divisive normalization, however, it is impossible to achieve a fully independent representation. In this letter, we derive an analytical upper bound on the inevitable residual redundancy of any saturating radial rescaling mechanism.
authors.affiliation: Institute for Neurobiology, Department for Neuroethology, Eberhard Karls University Tübingen, 72076 Tübingen, Germany fabian.sinz@epagoge.de.
authors.forename: Fabian H
authors.initials: FH
authors.lastname: Sinz
authors.forename: Matthias
authors.initials: M
authors.lastname: Bethge