Approximate Guarantees for Dictionary Learning

28 May 2019Aditya BhaskaraWai Ming Tai

In the dictionary learning (or sparse coding) problem, we are given a collection of signals (vectors in $\mathbb{R}^d$), and the goal is to find a "basis" in which the signals have a sparse (approximate) representation. The problem has received a lot of attention in signal processing, learning, and theoretical computer science... (read more)

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