机译:Dictionary Learning with Incoherence and Sparsity Constraints for Sparse Representation of Nonnegative Signals
Graduate School of Computer Science and Engineering, University of Aizu, Aizu-Wakamatsu-shi, 965-8580 Japan;
Faculty of Computer Science and Engineering, University of Aizu, Aizu-Wakamatsu-shi, 965-8580 Japan;
dictionary learning; sparse representation; nonnegative matrix factorization (NMF); hierarchical alternating least squares (HALS); over-complete dictionary; quadratic function;