Supervised nonnegative matrix factorization via minimization of regularized Moreau-envelope of divergence function with application to music transcription

Mathematics

• Auxiliary Variables 33%
• Closed-form 25%
• Divergence 53%
• Efficacy 31%
• Indicator function 38%
• Loss Function 62%
• Moreau Envelope 100%
• Music 78%
• Non-negative Matrix Factorization 90%
• Nonnegativity 33%
• Norm 18%
• Operator 14%
• Optimization 22%
• Optimization Problem 21%
• Penalty 28%
• Proximity 31%
• Selector 37%
• Simulation 19%
• Smooth Approximation 41%
• Sparsity 31%
• Splitting Method 33%
• Term 32%
• Transcription 81%

Engineering & Materials Science

• Factorization 60%
• Transcription 70%