Emergence of Phase- and Shift-Invariant Features by Decomposition of Natural Images into Independent Feature Subspaces

Emergence of Phase- and Shift-Invariant Features by Decomposition of Natural Images into Independent Feature Subspaces (2000)

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by Aapo Hyvärinen , Patrik Hoyer

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@MISC{Hyvärinen00emergenceof,
    author = {Aapo Hyvärinen and Patrik Hoyer},
    title = {Emergence of Phase- and Shift-Invariant Features by Decomposition of Natural Images into Independent Feature Subspaces},
    year = {2000}
}

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Abstract

this article, we show that the same principle of independence maximization can explain the emergence of phase- and shift-invariant features, similar to those found in complex cells. This new kind of emergence is obtained by maximizing the independence between norms of projections on linear subspaces (instead of the independence of simple linear filter outputs). Thenorms of the projections on such "independent feature subspaces" then indicate the values of invariant features

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