An Incidence Geometry approach to Dictionary Learning

no code implementations • 28 Feb 2014 • Meera Sitharam, Mohamad Tarifi, Menghan Wang

We study the Dictionary Learning (aka Sparse Coding) problem of obtaining a sparse representation of data points, by learning \emph{dictionary vectors} upon which the data points can be written as sparse linear combinations.

Dictionary Learning

Learning Hierarchical Sparse Representations using Iterative Dictionary Learning and Dimension Reduction

no code implementations • 2 Jun 2011 • Mohamad Tarifi, Meera Sitharam, Jeffery Ho

This paper introduces an elemental building block which combines Dictionary Learning and Dimension Reduction (DRDL).

Dictionary Learning Dimensionality Reduction +1