The Non-convex Sparse Problem with Nonnegative Constraint for Signal Reconstruction.
Yong WangGuanglu ZhouXin ZhangWanquan LiuLouis CaccettaPublished in: J. Optim. Theory Appl. (2016)
Keyphrases
- signal reconstruction
- compressive sensing
- image reconstruction
- basis functions
- random projections
- sparse representation
- linear combination
- nonnegative matrix factorization
- linear programming
- least squares
- machine learning
- original data
- pattern recognition
- objective function
- small number
- image features
- high dimensional
- zero crossing
- clustering algorithm