Dictionary Learning Based on Nonnegative Matrix Factorization Using Parallel Coordinate Descent

<table>Evolution of the rate of atom recovery versus the runtime of five algorithms. These algorithms run 3000 iterations, respectively. PCDDL achieved the best rate of recovery in the least time.</table>

Abstract and Applied Analysis

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Figure 2: Dictionary Learning Based on Nonnegative Matrix Factorization Using Parallel Coordinate Descent 